Answer:
The pack of 12 pencils for 298 is better as it has a lower unit price.
Step-by-step explanation:
To be able to find the answer, you have to calculate the unit price for each brand by dividing the price of the pack by the number of pencils in the pack.
-298/12=24.83
-499/18=27.72
According to this, the answer is that the pack of 12 pencils for 298 is better as it has a lower unit price.
Write an inequality
The minimum speed is 40 mph.
Answer:
[tex] s \ge 40 [/tex]
Step-by-step explanation:
Let s = speed.
If the minimum speed is 40 mph, then the speed can be 40 mph or greater.
[tex] s \ge 40 [/tex]
HELP
Use the vertical line test to determine which graph does not represent a function.
Graph A
Graph B
or Graph C????
Answer:
Graph B is not a function, because the graph intersects the vertical line more than one.
Step-by-step explanation:
4.56 × 10^3 into standard Form
Answer: As well as very large numbers, standard form also deals with very small numbers: 4.56 x 10-3 is 4.56 ÷ 1000 = 0.00456.
Step-by-step explanation:
How do you simplify this expression? 9x(7-4) (2) +9
the 2 is an exponent
HELP ME PLEAASE ITS URGENT!!! WILL GIVE BRAINLIEST
On a test, Marcus is asked to simplify . Here is his work:
√128 = √16 · √8 = 4√8
Which statement best describes Marcus' answer?
He is incorrect because 16 times 8 is not 128.
He is incorrect because he did not use the largest perfect square.
He is incorrect because the 4 and the 8 should be switched around in his answer.
He is correct.
Answer:
He did not use the largest perfect square
Step-by-step explanation:
4 [tex]\sqrt{8}[/tex] is the correct answer
What is square root ?
In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square is x. For example, 4 and −4 are square roots of 16, because 4² = ² = 16. The square root of any number can be expressed using the formula: √y = y½. In other words, if a number has 1/2 as its exponent, it means we need to find the square root of the number.
Given,
[tex]\sqrt{128}[/tex]
we divide the number 128 by 2 four times, we get
= [tex]\sqrt{8*2*2*2*2}[/tex]
= 2*2[tex]\sqrt{8}[/tex]
=4 [tex]\sqrt{8}[/tex]
Therefore, 4 [tex]\sqrt{8}[/tex] is the correct answer
Read more about square root at:
https://brainly.com/question/1387049
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If h(x) = {(0, -9), (5,2), (8, -3), (10, 11)}, which set of ordered pairs represents
the inverse of h(x)?
O A. {(0,9),(-5, -2), (-8,3), (-10,-11)}
O B. {(-9, 0), (2,5), (-3, 8), (11, 10)}
C. {(0, -9), (5,2), (8, -3), (10, 11)}
D. {(9,0), (-2,-5), (3, -8),(-11, -10)}
Answer:
B
Step-by-step explanation:
(7n7 − 4n6 − 14) − (2n7 + 15n6+ 11)
Answer: 5n^2 -19n^2-25
Step-by-step explanation: combine like terms / distribute
The slope of a line is the ratio of the
A.
vertical change to the horizontal change between any two points on the line.
B.
x-intercept to the y-intercept.
C.
y-intercept to the x-intercept.
D.
horizontal change to the vertical change between any two points on the line.
Answer:
A.
vertical change to the horizontal change between any two points on the line.
Step-by-step explanation:
slope is the ratio of the vertical and horizontal changes between two points on a surface or a line. The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: . This simple equation is called the slope formula.
The slope of a line is the ratio of the : A. Vertical change to the horizontal change between any two points on the line.
The slope of a line is the gradient of a line and it describes (represents) both the direction and steepness of an equation of a straight line.
Mathematically, the slope of a line is calculated by using this formula;
[tex]Slope. \;m = \frac{Change \; in \; y \;axis}{Change \; in \; x \;axis} \\\\Slope. \;m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
Hence, the slope of a line is the ratio of the change in y-axis (vertical) to the change in x-axis (horizontal) of a line.
Additionally, the standard form of an equation of line is given by the following formula;
[tex]y = mx + b[/tex]
Where:
x and y are the points. m is the slope. b is the intercept.In conclusion, the ratio of the vertical change to the horizontal change between any two points on the line is the slope of a line.
Read more: https://brainly.com/question/18123312
A line passes through the points (−4,−9)
and (−2,−6) What is the equation of the line in Slope-Intercept Form?
Answer:
D. [tex] y - 5= 3(x - 1) [/tex]
B. [tex] y = \frac{3}{2}x - 3 [/tex]
Step-by-step explanation:
Problem 1:
Point-slope form equation is given as [tex] y - y_1 = m(x - x_1) [/tex], where, (x1, y1) is a point on the line, and m = slope.
Find the slope of the line of the graph given, using 2 points on the line, points (0, 2) and (1, 5).
[tex] m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{2 - 5}{0 - 1} = \frac{-3}{-1} = 3 [/tex]
Substitute (x1, y1) = (1, 5) and m = 3 into [tex] y - y_1 = m(x - x_1) [/tex]
[tex] y - 5= 3(x - 1) [/tex]
The answer is D.
Problem 2:
Slope-intercept equation takes the form: [tex] y = mx + b [/tex], where, m = slope, and b = y-intercept.
Find m and b.
Given, points (−4,−9) and (−2,−6),
[tex] slope(m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{-6 -(-9)}{-2 -(-4)} = \frac{3}{2} = \frac{3}{2} [/tex]
Substitute x = -2, y = -6, and m = ³/2 into [tex] y = mx + b [/tex], to find b:
[tex] -6 = \frac{3}{2}(-2) + b [/tex],
Subtract b from both sides
[tex] -6 = -3 + b [/tex]
Add 3 to both sides
[tex] -6 + 3 = b [/tex]
[tex] -3 = b [/tex]
[tex] b = -3 [/tex]
Substitute m = ³/2, b = -3 into [tex] y = mx + b [/tex]
[tex] y = \frac{3}{2}x + (-3) [/tex]
[tex] y = \frac{3}{2}x - 3 [/tex]
The answer is B.
How does 8 × 2 1 3 compare to 8? A) Less than 8 because you are multiplying by number less than 1. B) Greater than 8 because you are multiplying by a number less than 1. C) Less than 8 because you are multiplying by a number greater than 1. D) Greater than 8 because you are multiplying by a number greater than 1.
Answer:
Greater than 8 because you are multiplying by a number greater than 1.
Step-by-step explanation:
When 8 is multiple by another number, say x, the product is;
I) less than 8 if x<1
ii) equal to 8 if x=1
iii) greater than 8 if x> 1
Since 213 is greater than 1,then the product of 8 × 2 1 3 is greater than 8.
Find the percent increase. Round to the nearest percent.
From 17 friends to 19 friends
I do believe it would be 12 percent, if rounded.
What is equivalent to (2.0x10^3)(2.0x10^4)
Answer:
40,000,000
Step-by-step explanation:
Solve the following quadratic equation for all values of x in simplest form.
(x + 1)2 = 9
Use the figure to the right to find the value of PT. T is the midpoint of PQ.
PT= 3x + 7 and TQ = 6x-5
PT=N(Simplify your answer.)
Answer:
30 units
Step-by-step explanation:
PT=TQ
3x+9=5x-5
3x-5x=-5-9
-2x=-14
x=7
Putting value of x in PT above
PT=3x+9=3x7+9
PT=30 units
Please help please help this is my final
Answer:
i think its D I have stood here and looked at it for 5 minutes
Step-by-step explanation:
Lorenzo has 4 packages of granola bars. Each package has 10 bars. He eats one bar from each package.
Answer:
4x10-4=36
Step-by-step explanation:
Lorenzo ate 1 bar from each. so 36 is left.
Answer:
4 × 10 - 4 = 36 granola bars
Step-by-step explanation:
4 packages with 10 bars each means 40 bars (4 packages × 10 bars each = 40 bars total)
one bar from each package
there are 4 packages so if he eats only one from each then he eats 4 bars total
40 bars total - 4 bars he ate = 36 bars left over
A monsoon dumped rain on a coastal area. in twelve hours 20 inches of rain had fallen. how much rain will fall over a period of 2 days, if it continues to rain at a constant rate?
Answer:
80
Step-by-step explanation:
If in 12 hours 20 inches falls in 24 hours 40 inches will fall and another 12 hours would be 60 inches. And another 12 hours you will get 2 days so your answer is 80
4 is 1/4 of what number?
Answer:
16
Step-by-step explanation:
4 1/4
8 1/4
12 1/4
16 1/4
Consider the figure below where l2 intersects l1 and m∠2=90°.
YOOOO HELP ME PLEASE ASAP LOL ILL MARK YOU AS THE BRAINLEST
Which of the following statements are correct? Select all that apply.
∠1 and ∠4 are adjacent angles.
∠1 and ∠2 are complementary angles.
∠3 and ∠4 are adjacent angles and complementary angles.
∠5 is a vertical angle to the combination of ∠3 and ∠2.
∠1 and ∠3 are vertical angles.
∠4 and ∠5 are adjacent angles, supplementary angles, and form a linear pair.
There is at least one angle bisector in the above graph.
Answer:
Layla bu la 520 and glue 729
Step-by-step explanation:
Help me in Geometry!!!
I don’t know nothing about this help.
PHOTO ABOVE
Answer:
m<1 = 39
m<2 = 51
Step-by-step explanation:
For this problem, you need to understand that a little square in the bottom of two connecting lines represents a right-angle (an angle this 90 degrees). This problem, gives you two relationships for angle 1 and angle 2 within a right-angle. Using this information, we can solve for the measures of the two angles.
Let's write the two relations:
m< 1 = 3x
m< 2 = x + 38
And now let's right an equation that represents the two angles to the picture:
m<1 + m<2 = 90
Using this information, let's substitute the expressions we have for the two angles and solve for x. Once we have the value of x, we can find the measure of the two angles.
m< 1 + m< 2 = 90
(3x) + (x + 38) = 90
3x + x + 38 = 90
x ( 3 + 1 ) + 38 = 90
x ( 4 ) + 38 = 90
4x + 38 = 90
4x + 38 - 38 = 90 - 38
4x = 90 - 38
4x = 52
4x * (1/4) = 52 * (1/4)
x = 52 * (1/4)
x = 13
Now that we have the value of x, we simply plug it back into our expressions for the m<1 and m<2.
m<1 = 3x = 3(13) = 39
m<2 = x + 38 = 13 + 38 = 51
And we can verify this is correct with the relational equation:
m<1 + m<2 = 90
39 + 51 ?= 90
90 == 90
Hence, we have found the values of m<1 and m<2.
Cheers.
Quadrilateral ABCD is a parallelogram. If m
Answer: Angle D would be the same as Angle B so the answer is 49 degrees.
Step-by-step explanation:
11. What is the solution to -2.5(4x-4)=-6?
Answer:
x=1.6
Step-by-step explanation:
Please help , Ill give you brainliest
Answer:
I think the answer is A from what I remember.
Step-by-step explanation:
the polynomial should be put in order based on the number in its power. it could not be added or subtracted if the power is not the same.
Find the midpoint.
(-1,6) and (14,9)
give a numerical example that shows these are not the same expressions. 2(n+5) and 2n+5
Answer:
The two are different expressions because when you distibute, you multiply all terms inside the parenthesis with the 2 in the first one: 2(n+5) = 2n + 10.
2n + 10 ≠ 2n + 5.
Step-by-step explanation:
Answer: Any number that isn’t 1, 2, -1, or -2 I believe.
Step-by-step explanation: In the first expression, you have to distribute the 2, making it equal to 2n + 10, whereas the first is just 2n + 5.
For example if you were to plug the number 3 into this, you would have 2(3+5), which is 2(8) = 16. Versus the other side, 2(3)+5 = 11
Help me pls I am confused for al parts of this pls help.
Answer:
i think it's 5/4
Step-by-step explanation:
Write the equation of a line that is perpendicular to y = 5 and that passes through the point (-7,-5).
Answer: x = -7
Step-by-step explanation:
x = -7 will be a vertical line passing through all y values, and perpendicular to y = 5
The attached graph shows the lines and the point.
what does k= 9k=8k-6
Answer:
Alright, so we got k + 9k = 8k - 6.
This means that 10k = 8k - 6.
As a result, we have 2k = -6, and k = - 6/2 = -3
So, k = -3 :)
which number are a distance of 7 units from 1 on the number line -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10
Answer:
8, -6
Step-by-step explanation:
6) Is the following statement true?
Every number of the form 2 to the power of n + 3 is a prime number
Answer:
yes it is true
hope my answer help you
