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3 years ago

Can someone help with this question on math please

Mathematics

1 answer:

Mariana [72]3 years ago

8 0

Mean is when you add all of them together and divide by the amount of data you collected. Mean is considered the average. So, all of them added together would be 14. Divide that by 7. You should get 2 and that is the average.

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Step-by-step explanation:

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3 years ago

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2 years ago

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4 years ago

PICTURE ABOVE <br> find perimeter in inches <br> PLEASE HELP !!!

Vsevolod [243]

Answer:

C. 52

Step-by-step explanation:

First, find the base of the triangle. You can do this by looking at the top of the figure. 14 inches is the width of the rectangle, and 20 inches is the width of the rectangle and the base of the triangle. You can find the base of the triangle by subtracting.

$20-14=6$

The base of the triangle is 6. The height of the triangle is equal to the height of the rectangle, 8. Now you need to find the hypotenuse of the triangle using the Pythagorean theorem:

$a^2+b^2=c^2$

c is the hypotenuse. Find c:

$6^2+8^2=c^2\\36+64=100\\\\\sqrt{c^2}= \sqrt{100}\\c=10$

The hypotenuse of the triangle is 10. Now that you know the hypotenuse, you can find the perimeter. Add all the sides:

$10+20+8+14\\30+8+14\\38+14\\52$

The perimeter is 52 inches.

5 0

4 years ago

The cost of 5 squash and 2 zucchini is $1.32. Three squash and 1 zucchini cost $0.75. Find the cost of each vegetable.

jonny [76]

Answer:

The cost of 1 squash = $0. 18

The coat if 1 zucchini = $ 0.21

Step-by-step explanation:

Here,Let us assume the cost of 1 squash = $ m

Cost of 1 zucchini = $ n

Now, the cost of 5 squash = 5 x ( cost of 1 squash) = 5 x ($ m) = 5 m

Now, the cost of 2 zucchini = 2 x ( cost of 1 zucchini) = 2 x ($ n) = 2 n

So, the total cost of 5 squash and 2 zucchini = Cost of (5 squash + 2 zucchini)

⇒ $ 1. 32 = 5 m + 2 n ........ (1)

Similarly,

The cost of 3 squash = 3 x ( cost of 1 squash) = 3 x ($ m) = 3 m

And, the cost of 1 zucchini = $ n

So, the total cost of 3 squash and 1 zucchini = Cost of (3 squash + 1 zucchini)

⇒ $ 0. 75 = 3 m + n ........ (2)

or, n = 0.75 - 3 m

Substitute this value in (1) , we get

1. 32 = 5 m + 2 n ⇒ 1.32 = 5 m + 2 (0.75 - 3 m)

or, 1. 32 = 5 m + 2(0.75) - 2(3 m)

or, 1 . 32 = 5 m + 1.5 - 6m

⇒ m = 1. 5 - 1. 32 = 0.18

or, m = 0. 18

So, the cost of 1 squash = $0. 18

And,the cost of 1 zucchini = n = 0.75 - 3 m = 0.75 - 3 (0.18) = 0.21

or, the cost if 1 zucchini = $ 0.21

5 0

3 years ago