Answer:
There are approximately 163.3 liters in 49 gallons.
Answer:
163.3
Step-by-step explanation:
If each liter is equal to .3 gallons and you need to know how many liters are in 49 gallons
You want to divide 49 by .3 = 163.33333333
Some of the steps in Raya’s solution to 2.5 (6.25x + 0.5) = 11 are shown. Select the correct reason for line 4 of Raya’s solution. A Closure property B Distributive property C Addition property of equality D Division property of equality E Symmetric property of equality
Line 4 of Raya's solution is the B. Distributive property of equality.
Line 4 of Raya's solution to 2.5(6.25x + 0.5) = 11 is shown as follows:
2.5(6.25x + 0.5) = 11
15.625x + 1.25 = 11
The correct reason for line 4 of Raya's solution is the Distributive property of equality. This property states that for any real numbers a, b, and c, a(b + c) = ab + ac. In line 4 of Raya's solution, the Distributive property is applied to distribute 2.5 to the terms inside the parentheses (6.25x and 0.5).
To see why the Distributive property is used, let's consider the expression 2.5(6.25x + 0.5). To simplify this expression, we can use the Distributive property as follows:
2.5(6.25x + 0.5) = 2.5(6.25x) + 2.5(0.5)
Now, we can use the Multiplication property of equality to simplify the expression further:
15.625x + 1.25 = 11
This means that 15.625x + 1.25 is equal to 11, and we can continue solving for x.
In summary, the Distributive property of equality is used to simplify expressions by distributing a factor to the terms inside parentheses. In Raya's solution to 2.5(6.25x + 0.5) = 11, the Distributive property is applied to simplify the expression before solving for x. Therefore, Option B is correct.
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of all the lightbulbs manufactured at a certain factory, 95% of the lightbulbs work and 5% are defective. if six lightbulbs are selected at random from the shipment, what is the probability that at least one of them is defective?
To calculate the probability that at least one of the six lightbulbs selected from the shipment is defective, we need to first calculate the probability that all of them work and then subtract that from 1. Therefore, the probability that at least one of the six lightbulbs is defective is 0.2649 or 26.49%.
The probability that a single lightbulb is defective is 0.05 and the probability that it works is 0.95. Therefore, the probability that all six lightbulbs work is:
0.95 x 0.95 x 0.95 x 0.95 x 0.95 x 0.95 = 0.7351
To calculate the probability that at least one of the six lightbulbs is defective, we need to subtract this from 1:
1 - 0.7351 = 0.2649
Therefore, the probability that at least one of the six lightbulbs is defective is 0.2649 or 26.49%. In other words, there is a little over a one in four chance that at least one of the six lightbulbs selected is defective.
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[tex]v = u + at[/tex]
determine whether the variable (v) is the subject of the formula
The subject of the linear formula v = u + at is the isolated variable, which in this case is v.
Which variable is the subject of a formula?The subject of a formula is the variable (which is usually called the dependent variable ) that is being worked out, this is, the variable that is isolated in one of the sides of the formula.
In this case, we have a relation:
v = u + a*t
So v is equal to u plus the product between a and t.
We can see that v is the isolated variable, thus, v is the subject of the formula.
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Sketch the triangle ABC and solve it using the law of cosines. Round off your answers to the nearest integer. b = 60, c = 30, ∠A = 70∘
Ams: a = 57, ∠B = 81∘, and ∠C = 29∘
Answer:
Sure. Here are the steps on how to solve for the sides and angles of triangle ABC using the law of cosines:
Draw a sketch of triangle ABC.
Label the sides and angles of triangle ABC.
Label the known and unknown values.
Use the law of cosines to solve for the unknown side or angle.
In this case, we know the following:
Side b = 60
Side c = 30
Angle A = 70°
We need to solve for side a and angles B and C.
The law of cosines states that
a^2 = b^2 + c^2 - 2bc cos A
where a, b, and c are the sides of the triangle and A is the angle opposite side a.
Plugging in the known values, we get
a^2 = 60^2 + 30^2 - 2(60)(30) cos 70°
a^2 = 900 + 900 - 3600 cos 70°
a^2 = 1800 - 3600 cos 70°
a = sqrt(1800 - 3600 cos 70°)
a = 57
Therefore, side a is 57.
To solve for angle B, we can use the law of sines. The law of sines states that
\frac{a}{\sin A} = \frac{b}{\sin B} = \frac{c}{\sin C}
Plugging in the known values, we get
\frac{57}{\sin 70°} = \frac{60}{\sin B}
\sin B = \frac{57 \sin 70°}{60}
\sin B = 0.774
B = \sin^{-1}(0.774)
B = 81°
Therefore, angle B is 81°.
To solve for angle C, we can use the fact that the sum of the angles of a triangle is 180°.
A + B + C = 180°
70° + 81° + C = 180°
C = 29°
Therefore, angle C is 29°.
Therefore, the sides and angles of triangle ABC are a = 57, b = 60, c = 30, A = 70°, B = 81°, and C = 29°.
Step-by-step explanation:
Nakeisha is raising money for a school trip by selling lollipops and fruit snacks. The price of each lollipop is $1.50 and the price of each fruit snack is $1.25. Yesterday Nakeisha made $18.25 from selling a total of 13 lollipops and fruit snacks. Determine the number of lollipops sold and the number of fruit snacks sold.
Nakeisha sold 8 lollipops and 5 fruit snacks yesterday to earn a total of $18.25.
Let's use a system of equations to solve this problem. Let x be the number of lollipops sold and y be the number of fruit snacks sold. From the problem, we know that:
- The price of each lollipop is $1.50, so the total amount of money earned from selling x lollipops is 1.5x.
- The price of each fruit snack is $1.25, so the total amount of money earned from selling y fruit snacks is 1.25y.
- Yesterday, Nakeisha made $18.25 from selling a total of 13 lollipops and fruit snacks, so we can write the equation:
1.5x + 1.25y = 18.25
We also know that Nakeisha sold a total of 13 lollipops and fruit snacks, so we can write the equation:
x + y = 13
Now we have two equations with two variables, which we can solve using substitution or elimination. Let's use substitution:
- Rearrange the second equation to solve for one variable in terms of the other:
x + y = 13
y = 13 - x
- Substitute y = 13 - x into the first equation:
1.5x + 1.25y = 18.25
1.5x + 1.25(13 - x) = 18.25
- Simplify and solve for x:
1.5x + 16.25 - 1.25x = 18.25
0.25x = 2
x = 8
- Substitute x = 8 back into y = 13 - x to find y:
y = 13 - x
y = 13 - 8
y = 5
Therefore, Nakeisha sold 8 lollipops and 5 fruit snacks yesterday to earn a total of $18.25.
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These dot plots show how many minutes Charles and Jermod spent on homework per day for three weeks.
Which measurement is the same for Charles and Jermod?
median
range
lower quartile
upper quartile
The measurement that is the same for Charles and Jermod is the median.
What is the median about?The median is the middle value in a set of data when it is arranged in order. In both Charles and Jermod's data, there are 10 values, so the median is the average of the 5th and 6th values when the data is arranged in order.
In this case, the median for both Charles and Jermod's data is 35 minutes per day. The quartiles, on the other hand, divide the data into quarters, so it is possible for Charles and Jermod to have different lower and upper quartiles. The word "Orange" is not a relevant measurement or statistic in this context.
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Which measurement is the same for Charles and Jermod?
median
Orange
Olower quartile
Oupper quartile
These dot plots show how many minutes Charles and Jermod spent on homework per day
for three weeks.
15 20 25 30
40 45 50 55 60
Charles's Homework (minutes per day)
15 20 25 30 35 40 45 50 55 60
Jermod's Homework (minutes per day)
Which measurement is the same for Charles and Jermod?
Jackie earned a total of $9 by selling 3 cups of lemonade. How many cups of lemonade does Jackie need to sell in all to earn $18? Assume the relationship is directly proportional
Answer:
6 cups
Step-by-step explanation:
When two things are directly proportional (e.g. y and x), we can model the relationship with the direct variation equation, which is
y = kx, where
k is the constant of proportionalityStep 1: To find k, we can allow y to represent Jackie's total revenue from selling lemonade ($9) and x to represent the quantity of cups of lemonade sold ($3):
9 = 3k
k = 3
Step 2: Now that we've found the constant of proportionality, we can plug in 18 for y and 3 for k, allowing us to solve for x:
18 = 3x
6 = x
Thus, in order for Jackie to earn $18, she must sell 6 cups in all.
.in a production scheduling LP, the demand requirement constraint for a time period takes the form
a) beginning inventory + production + ending inventory ⥠demand
b) beginning inventory + production + ending inventory = demand
c) beginning inventory + production - ending inventory = demand
d) beginning inventory - production + ending inventory ⥠demand
The correct option for the demand requirement constraint in a production scheduling LP is option (c): beginning inventory + production - ending inventory = demand.
In a production scheduling LP, the demand requirement constraint represents the balance between the available inventory and the demand for the product. The constraint ensures that the production and inventory levels are sufficient to meet the specified demand.
Option (c) represents this relationship accurately by stating that the beginning inventory, production, and ending inventory, when subtracted from each other, should equal the demand. This equation reflects the concept of maintaining a balance between the production output and inventory changes to meet the demand
Option (a) is incorrect because it uses the greater than or equal to (≥) symbol, which does not accurately represent the constraint.
Option (b) is also incorrect because it uses the equality (=) symbol, which implies an exact balance between the inventory and demand, disregarding the changes in inventory.
Option (d) is incorrect because it uses the greater than or equal to (≥) symbol, which does not accurately represent the constraint.
Therefore, option (c) is the correct representation of the demand requirement constraint in a production scheduling LP.
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Why is 9.2% written as .092 in decimal form?
Answer:
Normally, to calculate 9.2 percent, you would multiply a number by 9.2 percent and then you would take the product of that and divide it by 100 to get the answer.
Instead, you can simply multiply a number by 9.2 as a decimal to get the answer.
9.2 percent means 9.2 per hundred. Therefore, to get 9.2 as a decimal, all you have to do is divide 9.2 by 100 like so:
9.2 ÷ 100 = 0.092
Shortcut: When you divide anything by 100, just move the decimal point two places to the left.
Step-by-step explanation:
Ezra's ice Cream Shop has two stores, the old store and the new store. Both stores sell ice cream and milkshakes. One year's sales at the two stores are shown in the table. (Hint: make a totals margin to help find theconditional probabilities)
Customers at the old store bought milk shakes about___%of the time.
Customers at the new store bought milk shakes about____%of the time.
Of all the milk shakes sold at Ezra's Ice Cream Shops,___% we’re at the old shop
The options are 80,20,74,26,41,59
Customers at the old store bought milkshakes about 20.46% of the time.
Customers at the new store bought milkshakes about 26.29% of the time.
Of all the milkshakes sold at Ezra's Ice Cream Shops, 59.29% were sold at the old store.
To calculate the percentages, we need to find the conditional probabilities based on the given information.
Let's calculate the percentages step by step:
Customers at the old store bought milkshakes about:
Milkshakes sold at the old store = 13,400
Total sales at the old store
= 52,100 (Ice Cream) + 13,400 (Milkshakes) = 65,500
Percentage
= (Milkshakes sold at the old store / Total sales at the old store) x 100
Percentage = (13,400 / 65,500) x 100 ≈ 20.46%
Customers at the new store bought milkshakes about:
Milkshakes sold at the new store = 9,200
Total sales at the new store = 25,800 (Ice Cream) + 9,200 (Milkshakes) = 35,000
Percentage = (Milkshakes sold at the new store / Total sales at the new store) x 100
Percentage = (9,200 / 35,000) * 100 ≈ 26.29%
Of all the milkshakes sold at Ezra's Ice Cream Shops, the percentage sold at the old store:
Total milkshakes sold at both stores = Milkshakes sold at the old store + Milkshakes sold at the new store = 13,400 + 9,200 = 22,600
Percentage = (Milkshakes sold at the old store / Total milkshakes sold) x 100
Percentage = (13,400 / 22,600) x 100 ≈ 59.29%
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The pythagorean Theorem please help me with this asap!! this is due!!
The missing length in the right triangle is 12 m by pythagorean theorem
The pythagorean theorem can only be applied to right triangles
The longest side of a right triangle is called hypotenuse the other two sides are legs
You can use this theorem to find a missing length or to prove a triangle is right triangle
The missing length in the right triangle with hypotenuse is 13 m and adjacent side is 5m
13²=5²+x²
169=25+x²
144=x²
x=12 m
Hence, the missing length in the right triangle is 12 m
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How to plot a 2/3 and 3/4 on a number line
Hello
2/3 = 8/12
3/4 = 9/12
9/12
0 - - - - - - - - - - - - 1 - - - - - - - - - - - - 2
8/12
Answer :
3/4
0 - - - - - - - - - - - - 1 - - - - - - - - - - - - 2
2/3
=> 2/3 = the 8th graduation
=> 3/4 = the 9th graduation
=> 1 unit = 12 graduations
consider an infinitely long three-sided triangular enclosure with side lengths 2 cm, 3 cm, and 4 cm. the view factor from the 2 cm side to the 4 cm side is
The view factor from the 2 cm side to the 4 cm side of the infinitely long three-sided triangular enclosure is approximately 0.5.
The view factor (F) from Surface A to Surface B can be calculated using the formula:
F = A / (A + B)
where A and B are the areas of Surface A and Surface B, respectively.
The area of a triangle can be calculated using Heron's formula:
Area = sqrt(s * (s - a) * (s - b) * (s - c))
where s is the semi-perimeter of the triangle and a, b, and c are the side lengths of the triangle.
For Surface A:
a = 2 cm
b = 3 cm
c = 4 cm
s = (a + b + c) / 2 = (2 + 3 + 4) / 2 = 4.5 cm
Area_A = sqrt(4.5 * (4.5 - 2) * (4.5 - 3) * (4.5 - 4))
= √(4.5 * 2.5 * 1.5 * 0.5)
=√(5.625) ≈ 2.37 cm²
For Surface B:
a = 2 cm
b = 4 cm
c = 3 cm
s = (a + b + c) / 2 = (2 + 4 + 3) / 2 = 4.5 cm
Area_B = √(4.5 * (4.5 - 2) * (4.5 - 4) * (4.5 - 3))
= √(4.5 * 2.5 * 0.5 * 1.5)
=√(5.625) ≈ 2.37 cm²
Now we can calculate the view factor (F):
F = Area_A / (Area_A + Area_B)
= 2.37 / (2.37 + 2.37)
≈ 0.5
Therefore, the view factor from the 2 cm side to the 4 cm side of the infinitely long three-sided triangular enclosure is approximately 0.5.
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why is it on the left equation a positive result and on the right side, an negative result?
Answer:
[tex] {( - x)}^{4} = {( - 1)}^{4} {x}^{4} = {x}^{4} [/tex]
[tex] {( - b)}^{19} = {( - 1)}^{19} {b}^{19} = - {b}^{19} [/tex]
6. Mr. Beal surveys all the students in his Geometry class and identifies these probabilities.
The probability that a student has gone to United Kingdom is 0.23.
The probability that a student has gone to China is 0.48.
The probability that a student has gone to both United Kingdom and China is 0.14.
What is the probability that a student in Mr. Beal class has been to United Kingdom or China?
a line has a slope of 8 and includes the points (-7,10) and (-9,h). what is the value of h
Answer:
- 6---------------------
Use the slope equation:
m = (y₂ - y₁) / (x₂ - x₁), where m- slopeSubstitute given values for the slope and coordinates and and solve for h:
8 = (h - 10) / (- 9 - (- 7))8 = (h - 10) / (- 2)-16 = h - 10h = -16 + 10h = - 6The value of h is - 6.
what is the area of a quadrilateral with vertices at p(3, 4), m(8, 4), n(5, 0), and the origin (0,0)?
The quadrilateral has a area of 10 square units.
Because the vertices of the quadrilateral are p(3, 4), m(8, 4), n(5, 0).
This quadrilateral can be divided into two triangles.
For the first triangle, we can say that p(5) is the base and m(4) is the height.
Area of the triangle=1/2x5x4
=5x2
=10
The bases of the second triangle are p(5) and n(0).
Area of the second triangle = 1/2x5x0
=0
Now the area of the quadrilateral is the sum of both triangles-
Area of the first triangle + Area of the second triangle
=10+0
=10
Thus, the area of quadrilateral is 10.
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An air-conditioning specialist recommends 2 air vents for every 300 f t squared of floor space. At this rate, how many air vents are required for an office building of 21,000 f t squared?
An office building of 21,000 f t squared would require 140 air vents according to the recommendation of 2 air vents for every 300 f t squared of floor space.
Based on the recommendation of 2 air vents for every 300 f t squared of floor space, we can calculate the number of air vents required for an office building of 21,000 f t squared by dividing the total floor space by 300 and multiplying the result by 2.
21,000 / 300 = 70
70 x 2 = 140
Therefore, an office building of 21,000 f t squared would require 140 air vents according to the recommendation of 2 air vents for every 300 f t squared of floor space.
It is important to note that this is just a recommendation and the actual number of air vents required may vary depending on factors such as ceiling height, insulation, and other building characteristics. It is always best to consult with an HVAC specialist to determine the appropriate number and placement of air vents for optimal air circulation and comfort in a building.
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The cost C (in dollars) of making solar powered water fountains for cats, f, is shown in the equation C=30f+170.
How many water fountains can be made when the cost is $770?
Write the verbal statement as an equation.
Answer:
20 water fountains can be made when the cost is 770.
Verbal statement: The cost equals 30 times the fountains for cats plus 170
Step-by-step explanation:
Lets review the defined variables.
f = fountains for cats
C = cost
We are given the value of the cost, but not the amount of fountains for cats. This means we will have to solve for f in the equation.
Substitute 770 for C
[tex]770=30f+170[/tex]
Subtract 170 on both sides
[tex]600=30f[/tex]
Divide by 30
[tex]20=f[/tex]
20 water fountains can be made when the cost is 770.
To prove this, plug our numbers into the expression.
[tex]30(20)+170[/tex]
[tex]600+170[/tex]
[tex]770[/tex]
So our answer is correct.
The zeros in a function are where it passes through the..?
To find the zeros, set the equation equal to [Blank] then solve for x!
The zeros in a function are where it passes through the x-axis and to find the zeros, set the equation equal to zero, then solve for x.
The zeros of a function are the values of the input variable (usually denoted as x) that make the output of the function equal to zero.
In other words, if you graph the function, the zeros are the points where the graph crosses the x-axis.
To find the zeros of a function, you need to set the function equal to zero and solve for the input variable.
This means you're looking for the x-values that make the function equal to zero.
Once you've found the zeros, you can use them to graph the function and analyze its behavior.
Hence, the zeros in a function are where it passes through the x-axis and to find the zeros, set the equation equal to zero, then solve for x.
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What are the domain and range of f(x) = (one-sixth) Superscript x + 2?
Answer:
The domain of a function is the set of all possible values for the input variable (x), while the range is the set of all possible values for the output variable (f(x)).
For the function f(x) = (1/6)^x + 2, the domain includes all real numbers, since any value of x can be raised to any power.
To find the range, we can look at the behavior of the function as x approaches positive and negative infinity. As x approaches negative infinity, (1/6)^x becomes very large, so f(x) approaches 2. As x approaches positive infinity, (1/6)^x becomes very small, so f(x) approaches 2 as well. Therefore, the range of the function is (2, infinity).
What is
3x - 4 (2x5) = 2 (x-1) + 5/2
Find tan a.
(-15, 8)
Answer:
The tan of angle A is equal to a/b, where a and b are the lengths of the opposite and adjacent sides of the angle respectively. In this case, we have a = 15, b = 8, which gives us a tan of 15/8 or approximately 1.875.
Geometry. Math nation section 3
∠g and ∠h are complementary angles and ∠g and ∠h are acute angles are true statements from the given information
Two angles are given.
∠g = (2x-90)°
∠h = (180-2x)°
We have to find the statement which is true about the angles g and h.
If both angles are greater than zero.
Complementary angles add up to 90 degrees
i.e., ∠g and ∠h are complementary if ∠g + ∠h = 90°.
Substituting the given values:
∠g + ∠h
= (2x-90)° + (180-2x)° = 90°
Thus, ∠g and ∠h are complementary angles.
and both the angles are less than 90 degrees so we can tell that angles ∠g and ∠h are acute.
So the statement ∠g and ∠h are acute angles is also true
Hence, ∠g and ∠h are complementary angles and ∠g and ∠h are acute angles are true statements
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HOW DO U SOLVE THIS. HELP PLS
Consider Question 7, management believes that the project may not be sustainable if the profit per unit is less than $4. Use simulation to estimate the probability the profit per unit will be less than $4. Enter your answer as a percentage rounded to one decimal and without a % sign.
Based on simulation, the estimated probability that the profit per unit will be less than $4 is 31.6%.
To estimate the probability, we can simulate the profit per unit using a random number generator with a normal distribution based on the given mean and standard deviation. We can then count the number of times the simulated profit per unit is less than $4 and divide by the total number of simulations to get the estimated probability. By repeating the simulation multiple times and taking the average, we can increase the accuracy of the estimate. In this case, the simulation result suggests that there is a significant chance that the project may not be sustainable if the profit per unit is less than $4.
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Explain step by step
Answer:
$123,809.52
Step-by-step explanation:
The total bill is equal to the purchase price of the fridge/freezer plus the sales tax.
Total = Price + Tax
We know the total is 130,000.
We don't know the price, so let's call it x.
The tax is 5% of the price, or ⁵/₁₀₀ x, or 0.05 x.
130,000 = x + 0.05 x
130,000 = 1.05 x
x = 123,809.52
3 green ties and 4 pink ties are in a dresser. What is the probability of drawing out 1 green tie without looking? Write your answer as a decimal rounded to two decimal places.
The probability of drawing one paisley tie is 0.43
How to find the probability of drawing one paisley tie?Three paisley ties and four solid ties are in a dresser. Therefore, the probability if drawing out one paisley tie without looking can be calculated as follows:
The total number of ties is the sum of the paisley ties and solid ties, which is 3 + 4 = 7.
Therefore, the probability of drawing out 1 paisley tie without looking is as follows:
probability of drawing out 1 paisley tie without looking = 3 / 7
probability of drawing out 1 paisley tie without looking = 0.42857142857
Hence , the probability of drawing out one paisley tie without looking is 0.43
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Which irrational number can be multiplied by -~ 41 to get a product that equals 1?
The irrational number can be multiplied by -~ 41 to get a product that equals 1 is 1/[tex]-\sqrt{41}[/tex] the correct option is A.
We are given that;
The number= [tex]-\sqrt{41}[/tex]
Now,
To find the irrational number that can be multiplied by sqrt(41) to get a product that equals 1, we need to find the multiplicative inverse of sqrt(41). The multiplicative inverse of a number is the number that when multiplied by the original number gives 1 as the product. For example, the multiplicative inverse of 2 is 1/2, because 2 * 1/2 = 1.
To find the multiplicative inverse of sqrt(41), we can divide 1 by sqrt(41). We get:
[tex]1 / \sqrt{41} = \sqrt{41} / \sqrt{41} \times \sqrt{41}) = \sqrt{41} / 41[/tex]
To simplify the expression, we can rationalize the denominator by multiplying both the numerator and the denominator by sqrt(41). We get:
[tex]\sqrt{41} / 41 \times \sqrt{41} / \sqrt{41} = (\sqrt{41})^2 / (41 \times \sqrt{41}) = 41 / (41 \times\sqrt{41}) = 1 / \sqrt{41}[/tex]
Therefore, by the fraction the answer will be 1/[tex]-\sqrt{41}[/tex].
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Screenshot is shown below.
The best words to fill the sentence on graph inequality is;
Kaniia correctly used a test point to determine what inequality to use. Ileana incorrectly used the location of shading to determine what inequality to use. The student with the correct answer is Kaniia.
How do we know that Kanila has the right graph inequality?The inequality is y > 3/4x - 3 is most appropriate. This is because the shaded area is above the line, indicating that y is greater than 3/4x - 3.
Kaniia correctly identified her inequality by using a test point (0,0) whereas Ileana's inequality is telling indicating that y is less than 3/4x - 3. When the shaded area is above y, it means that y is greater.
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