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Aleks [24]
3 years ago
13

square A has a side length (2x-7) and square B has side length (-4x+18) how much bigger is the perimeter of square B than square

A?
Mathematics
1 answer:
Paladinen [302]3 years ago
4 0
To make things easier, we can assume a value of x in order to substitute to each expression and obtain the side length of each. We can calculate for perimeter of each square. Then, compare them. We do as follows:

Assume x = 4
Square A
2x - 7 = 2(4) - 7 = 1
P = 4(1) = 4

Square B
-4x + 18 = -4(4) + 18 = 2
P = 4(2) = 8

Therefore, the perimeter of B is 2 than the perimeter of A.

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The veterinarian weighs Hector’s two dogs. His German Shepherd weighs 37 pounds. His chihuahua weighs 240 ounces. What is the to
horsena [70]

Answer:

52 pounds

Step-by-step explanation:

1 pound=16oz.

240/16=15

15+37=52

3 0
2 years ago
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A rectangle has a length that is three times the width . The perimeter of the rectangle is 40 feet.what is the area of the recta
charle [14.2K]

Answer:

The area is 15 feet

Step-by-step explanation:

So you are going to need two different equations-

l = w(3)

2l + 2w = 40

Insert the first equation into the second-

2(3w) + 2w = 40

Simplify this equation-

6w + 2w = 40

8w = 40

Divide both sides by 5

w = 5

Solve first equation

l = 5(3)

l = 15

Then find the area-

5 x 15 = 75

7 0
3 years ago
What is the approximate area of a circle with a diameter of 28 centimeters? Use π = 3.14.
larisa [96]
Formula is π * r^2

π = about 3.14 and the radius is half of the diameter so 28/2 = 14

3.14 * 14^2 = 615.44

B

8 0
3 years ago
Read 2 more answers
2.The number of tickets sold to a play for each showing is 78, 84, 87, 80, 91, 95, and 80.
Luden [163]

Answer:

Min =78

The maximum is :

Max = 95

Now we can calculate the median since the sample size os n =7 the median would be the middle value at the position 4 from the dataset ordered and we got:

Median =84

Now we can find the quartile 1 we analyze the first 4 values  78, 80,80, 84 and the first quartile would be:

Q_1= \frac{80+80}{2}= 80

Now we can find the quartile 3 we analyze the last 4 values  84,87, 91, 95 and the third quartile would be:

Q_3= \frac{87+91}{2}=89

And finally the 5 number summary would be:

Min = 78, Q_1 = 80, Median=84, Q_3 = 89, Max=96

Step-by-step explanation:

We have the following data given:

78, 84, 87, 80, 91, 95, and 80.

The first step is order the dataset on increasing way and we got:

78, 80,80, 84,87, 91, 95

We can begin finding the minimum value and for this case is:

Min =78

The maximum is :

Max = 95

Now we can calculate the median since the sample size os n =7 the median would be the middle value at the position 4 from the dataset ordered and we got:

Median =84

Now we can find the quartile 1 we analyze the first 4 values  78, 80,80, 84 and the first quartile would be:

Q_1= \frac{80+80}{2}= 80

Now we can find the quartile 3 we analyze the last 4 values  84,87, 91, 95 and the third quartile would be:

Q_3= \frac{87+91}{2}=89

And finally the 5 number summary would be:

Min = 78, Q_1 = 80, Median=84, Q_3 = 89, Max=96

5 0
3 years ago
Almost done with my hw but stuck on this one please help ​
Mashutka [201]

Answer:

<h2>z = 27°</h2>

Because that angle is 30°.

it's nearest value is 27.

6 0
3 years ago
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