Stuck on this question pls help!!

The expression with the greatest value when a = 5 is:

a + 9 × 8 ÷ 7, with 9 in the first box, 8 in the second box, and 7 in the third box.

To create the expression with the greatest value when a = 5, we want to choose the largest possible numbers to fill in the missing parts.

Since each whole number can only be used once, we should choose the three largest numbers from 1 to 9.

The three largest numbers from 1 to 9 are 9, 8, and 7. So we can fill in the expression as follows:

a + 9 × 8 ÷ 7

When a = 5, this expression evaluates to:

5 + 9 × 8 ÷ 7 = 5 + 72 ÷ 7 = 15.2857...

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The volume of the prism is 195 cubic meters.

To find the volume of the prism, we need to multiply the length, width, and height of the prism.

Length = 13 m

Width = 3 m

Height = 5 m

Volume = Length x Width x Height

Volume = 13 m x 3 m x 5 m

Volume = 195 cubic meters

Answer:

-235+84i

Step-by-step explanation:

I hope this is what you were looking for.

The volume of the cylinder, when expressed as a function of the height of same cylinder, is V ( h ) = 40 h ft ³.

The volume V of a cylinder is given by the formula:

V = Area of the base of the cylinder x height of the cylinder

Given that the area of the base A is 40 ft², you can substitute this into the formula to express the volume as a function of height:

V ( h )  = 40 ft ² x h

V ( h ) = 40h ft ³

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(a) The leading coefficient is 4

(b) The degree is 8

From the question, we have the following parameters that can be used in our computation:

4xy⁸

Consider an expression ax where the variable is x

The leading coefficient of the variable in the expression is a

Using the above as a guide, we have the following:

The leading coefficient is 4

Consider an expression axⁿ where the variable is x

The degree of the variable in the expression is n

Using the above as a guide, we have the following:

The degree is 8

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The requried, predicted percentage of U.S. households with an Internet subscription in 2020 is approximately 88.3%.

To find the number of subscriptions in the year 2020, we need to find the value of y when x = 10 (since x is the number of years after 2010).

Substituting x = 10 into the equation y = 1.56x + 72.7, we get:

y = 1.56(10) + 72.7

y = 15.6 + 72.7

y = 88.3

Therefore, the predicted percentage of U.S. households with an Internet subscription in 2020 is approximately 88.3%.

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All points that lie on the line that passes through point `P` and is perpendicular to line ' t' are: (4, -1) and (6, -5)

The equation of a line in slope intercept form is:

y = mx + c

where:

m is slope

c is y-intercept

Using two coordinates on line t as: (-4, 1) and (2, 4), the slope of the line t is:

Slope = (4 - 1)/(2 + 4)

Slope = 3/6

Slope = 1/2

Equation of line t is:

(y - 1)/(x + 4) = 1/2

y - 1 = x/2 + 2

y = ¹/₂x + 3

Thus, slope of line passing through P and perpendicular to t is: -1/(1/2) = -2

Now, coordinates of point P is (3, 1). Thus:

Equation passing through point P and perpendicular to line t is:

(y - 1)/(x - 3) = -2

y - 1 = -2x + 6

y = -2x + 7

The only coordinates that fits into this are (4, -1) and (6, -5)

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1. Using mathematical operations, the cost of three 5kg bags of rice at ¢2 per kg is ¢30.

2. From the 2km piece, you can cut 2,000 pieces with each one meter long.

3. The fraction of a liter that is 259 ml can be written as ²⁵⁹/₁₀₀₀.

4. 60ps expressed as a decimal of ¢240 is 0.25.

5. The groups of 4 marks in 20, based on a division operation, is 5.

6. If an orange costs ¢150, by multiplication, 9 oranges will cost ¢1,350.

7. The product of 35 and 12, which is a multiplication operation, is 420.

8. Using division operation, from 1 kg, one could obtain 5.55 units of 180g each.

The four basic mathematical operations are addition, subtraction, division, and multiplication.

In this situation, the mathematical operations involved are division and multiplication.

1) The cost of price per kg = ¢2

The number of bags bought = 3

The weight per bag = 5kg

The total weight of 3 bags = 15kg (5 x 3)

The total cost = ¢30 (¢2 x 15)

2) The total length of the piece = 2km

1 km = 1,000 meters

2km = 2,000 meters

The length of each string = 1 meter

The number of strings = 2,000 (2,000 ÷ 1)

3) 1 liter = 1,000 ml

259 ml/1,000 ml = 259/1,000

= ²⁵⁹/₁₀₀₀

4) 60p as a decimal of ¢240

= 0.25 (60 ÷ 240)

5) 20 ÷ 4 = 5

4 x 5 = 20

6) The cost per orange =  ¢150

The number of oranges bought = 9

The total cost of 9 oranges = ¢1,350 (¢150 x 9)

7) The product of 35 and 12 = 420 (35 x 12)

8) The quantity of each unit = 180g

The total quantity = 1 kg

1 kg = 1,000 g

5.55 (1,000 ÷ 180)

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Answer:

exact form : 2√3

decimal form : 3.46410161… or 3.46

hope this helps you!

Answer:

The value of the function is [tex]\sqrt{12}[/tex]. Rounded to the nearest hundredth, the answer is 3.46

Step-by-step explanation:

We are given the value of x, so we simply have to evaluate the function:

[tex]f(x)=\sqrt{x+4}[/tex]

Substitute 8

[tex]f(8)=\sqrt{8+4}[/tex]

Add in the radical

[tex]\sqrt{12}[/tex]

The value of the function is sqrt(12).

Rounded to the nearest hundredth: [tex]3.46[/tex]

According to the figure the required lengths are

BD = 7 units

BC = 9.9 units

The required lengths is solved knowing that in a right triangle having angle 45 degrees, the lengths of the legs of the right triangle are equal.

Also,  the perpendicular bisector creates another angle 45 degrees at angle B.

hence we another right triangle with a leg as 7 units hence BD is 7 units

solving for BC

BC = BA

BC² + BA² = CA²

BC² + BC² = 14²

2 x BC² = 196

BC² = 98

BC = √(98)

BC = 9.9 units

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The number of multiples of both 2 and 5 that are there between 34 and 417 is given as follows:

39.

The rules for the multiples of 2 and 5 are given as follows:

Hence the numbers that are multiples of both 2 and 5 finish in zero, which are the multiples of 10.

Then the divisions are given as follows:

Hence the number of multiples is given as follows:

41 - 3 + 1 = 39.

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The amount of volume of 1 coin in the stack underneath is 0.433 cm³. The distance between the coins is 1 in, and each coin having a radius approximately 0.5 in. 7 inches make up the tilt.

Any three-dimensional solid's volume is the area it takes up. The volume of these solids include cubes, cuboids, cones, cylinders, and spheres. Different shapes have different volumes. We have looked at a variety of three-dimensional solids and shapes, including cubes, cuboids, cylindrical objects, cones, and and more.

V= πD²×h/4

  =π0.5²×7/4

   = 0.433 cm³

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A construction of the box-and-whisker plot based on the data is shown below.

In Mathematics and Statistics, a box plot is also known as a box-and-whisker plot and it can be defined as a type of chart that can be used to graphically or visually represent the five-number summary of a data set with respect to locality, skewness, and spread.

Based on the data (information) provided above, the five-number summary for the given data set include the following:

In conclusion, we can reasonably infer and logically deduce that the maximum number is 10 while the minimum number is 2, and the median is equal to 5.

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Option D is the correct answer.

From the graph, we can conclude that,

1. The two lines are continuous lines and not broken lines. So, the inequality sign should be either ≤ or ≥.

2. The points on the lines of the shaded region are also included in the solution.

The only option that matches with the above conditions is option D. So, option D is the correct answer.

Let us verify it.

Now, let us consider a point that is inside the shaded region and also on any one line.

Let us take (0, 2).

Plug in 0 for x and 2 for y in each of the options and check which inequality holds true.

Considering the inequalities,

y ≥ 3x - 2

x + 2y ≤ 4

Solving we get,

2 ≥ 3(0) - 2

2 ≥ -2

x + 2y ≤ 4

0 + 2(2) ≤ 4

4 ≤ 4

Here, both inequalities are correct.

So, option D is the correct answer.

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The complete question is =

Which system of linear inequalities is graphed?

A. y < 3x-2

x + 2y ≥ 4

B. y < 3x - 2

x + 2y > 4

C. y > 3x - 2

x + 2y < 4

D. y ≥ 3x - 2

x + 2y ≤ 4

The test statistic is 14.5 and the P-value is less than 0.05. Therefore, we have evidence to suggest that the distribution of days of the week of the appointments disagrees with an Even distribution.

To carry out the chi-squared goodness-of-fit test, we need to calculate the expected number of appointments for each day if there were an even distribution. Since there are 5 days of the week, each day would have an expected value of 100 (i.e., 500 appointments / 5 days = 100 appointments per day).

Day | Monday | Tuesday | Wednesday | Thursday | Friday

Observed | 115 | 100 | 115 | 100 | 70

Expected | 100 | 100 | 100 | 100 | 100

To calculate the chi-squared test statistic, we use the formula:

χ2= ∑ (observed − expected)^2 / expected

Plugging in the observed and expected values, we get:

χ2= [(115 - 100)^2/100] + [(100 - 100)^2/100] + [(115 - 100)^2/100] + [(100 - 100)^2/100] + [(70 - 100)^2/100]

  = 2.75 + 0 + 2.75 + 0 + 9

  = 14.5

To find the P-value, we need to use the chi-squared distribution table with 4 degrees of freedom (5 days of the week minus 1 for the expected value). Using the table, we find that the P-value for a chi-squared statistic of 14.5 with 4 degrees of freedom is less than 0.05. Therefore, we reject the null hypothesis that the appointments have an even distribution from Monday through Friday.the test statistic is 14.5 and the P-value is less than 0.05. Therefore, we have evidence to suggest that the distribution of days of the week of the appointments disagrees with an even distribution.

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A positive value for n that makes the statement true is n = 1.5.

We need to find a positive value for n that satisfies the given inequality: 1 < 1 x n < 2.
Step 1: Choose a value of n such that it's greater than 1 when multiplied by 1.
Step 2: Ensure the chosen value also makes the product less than 2 when multiplied by 1.
Let's try n = 1.5:
1 x 1.5 = 1.5
Now, let's check if it satisfies the inequality:
1 < 1.5 < 2
Yes, it does. So, a positive value for n that makes the statement true is n = 1.5.

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Answer: 3r

Step-by-step explanation: because 2r+1r=3r

The solution is: the period for the graph of y = cos (0) is:

c.360

We have the following equation:

y = cos (0)

The first thing you should know is that the period of a function is that value for which the function repeats itself.

We have then:

y = cos (0) = 1

y = cos (360) = 1

Therefore, the period is 360.

Answer:

the period for the graph of y = cos (0) is:

c.360

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complete question:

What is the period for the graph of y=cos(0)? (Sketch a graph to help determine the answer.)

a.180

b.90

c.360

d.270

The three accurate statements concerning the new prism are as follows:

The volume will experience a growth of 6 units, as each of the three dimensions is increased by 2.

This can be calculated by multiplying 2 by 3, resulting in an increase of 6.

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Answer:

34 units²

Step-by-step explanation:

triangle=1/2×5×2=5

other triangle at the right=5

square 6 ×5= 30

unshaded square= 3×2=6

30-6=24

total=5+5+24=34units²

The sides of the rectangle should be in improper fractions, to calculate the area.

When a side has a measurement that is a mixed number, it's recommended to convert it to an improper fraction before using it in the formula for area.

To convert a mixed number to an improper fraction, you multiply the whole number by the denominator of the fraction part and add the numerator.

Then, you put the result over the original denominator.

Once you have the sides of the rectangle as improper fractions, you can proceed to calculate the area using the formula: area = length x width.

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Answer:

r = 7

Step-by-step explanation:

equation of circle is (x - a)² + (y - b)² = r²

where a is x-coordinate of centre of circle, b is y-coordinate of centre of circle, r is the radius. radius = half of diameter.

x² - 8x + y² - 10y = 8

we need to complete the sqaure for both x and y

x² - 8x = (x - 4)² = x² - 8x + 16, which is 16 more than x² - 8x. so we need to subtract that 16.

we now have (x - 4)² - 16.

now do the same with y

(y - 5)² = y² - 10y + 25, which is 25 more than y² - 10y. so we need to subtract 25.

we now have (y - 5)² - 25.

back to our full equation.

(x - 4)² -16 + (y - 5)² - 25 = 8

(x - 4)² + (y - 5)² - 41 = 8

(x - 4)² + (y + 5)² = 49 = r²

radius r = √49 = 7

Answer:

B) strong

Step-by-step explanation:

The correlation coefficient is close to 1, meaning it is both a strong correlation and a positive correlation.

The amount of water that flows into the tank each minute is given as follows:

0.56 cm.

The volume of a rectangular prism, with dimensions length, width and height, is given by the multiplication of these dimensions, according to the equation presented as follows:

Volume = length x width x height.

The dimensions for this problem are given as follows:

45 cm, 50 cm and 38 cm.

Hence the volume of the tank is given as follows:

V = 45 x 50 x 38

V = 85,500 cm³.

Three-fifths of the volume is given as follows:

3 x 85500/5 = 51300 cm³.

The height associated with 3/5 of the volume is given as follows:

50 x 38 x h = 51300

h = 51300/(50 x 38)

h = 27 cm.

This means that 27 - 13 = 14 cm flew into the tank in 25 minutes, hence the minute rate is given as follows:

14/25 = 0.56 cm.

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The median score, considering the frequency distribution in this problem, is given as follows:

334.5.

The median of a data-set is the middle value of a data-set, the value of which 50% of the measures are less than and 50% of the measures are greater than. Hence, the median also represents the 50th percentile of a data-set.

The total number of observations in the data-set is given as follows:

189.

Hence the position in the cumulative frequency table of the median element is given as follows:

0.5 x (189 + 1) = 95.

Which is in the following interval:

330-339.

Hence the median is of 334.5, as it is the middle value of the interval.

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Answer:

Perdón no te puedo ayudar no entiendo

Step-by-step explanation:

To find the average velocity of the particle over the interval [1, e], we need to calculate the net displacement divided by the time interval.

Given the position function x(t) = ln(t), let's find the displacement by evaluating x(e) and x(1):

x(e) = ln(e) = 1

x(1) = ln(1) = 0

So, the net displacement is 1 - 0 = 1.

The time interval is e - 1.

Therefore, the average velocity is:

average velocity = (net displacement) / (time interval)

average velocity = 1 / (e - 1)

The correct answer is B. 1/(e - 1).

Answer:

can you be more clear

Step-by-step explanation:

what exactly does question need

The combined length of the two pieces of wire is 3/2 inches or 1 and 1/2 inches.

To find the combined length of the pieces of wire, we need to add the lengths of the two pieces of wire together.

The first piece of wire is 7/8 of an inch long.

The second piece of wire is 5/8 of an inch long.

To add the two fractions, we need to find a common denominator. The smallest number that both 8 and 5 will divide into is 40.

7/8 can be rewritten as 35/40 (multiply the numerator and denominator by 5)

5/8 can be rewritten as 25/40 (multiply the numerator and denominator by 5)

Now we can add the two fractions:

35/40 + 25/40 = 60/40

Simplifying the fraction:

60/40 = 3/2

Therefore, the combined length of the two pieces of wire is 3/2 inches or 1 and 1/2 inches.

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There are a total of 15 good students, 35 weak and 40 in bad shape if number of good students are fraction of 1/6th of total students.

As we know that the total number of students are 90.

Good students are fraction of 1/6th of total students.

Good students= 1/6x90

Good students=15

There are 40 good students in a whole block, so X = 40.

In the whole grade, average number of students is 1/3 of students in whole grade.

Students in each class = 1/3x90

Students in each class = 30

Students who are not good in economics and government = 90-40

Students who are not good in economics and government = 50

As the total number of students is sum of good students and weak students.

15+Weak students =90-40

15+Weak students=50

Weak students=50-15

Weak students=35    

So, total of 15 good students, 35 weak and 40 in bad shape.

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