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lana [24]
3 years ago
10

Please answer the area please

Mathematics
1 answer:
Nata [24]3 years ago
4 0

The area of a trapezoid is:

A = \frac{a + b}{2} h

A = area

a = base 1

b = base 2

h = height

Area = unknown

base 1 = 2.5

base 2 = 7.5

height = 2.5

^^^Plug these numbers into the formula!

A = (\frac{2.5 + 7.5}{2} )(2.5)

A = (10/2)(2.5)

A = (5)(2.5)

A = 12.5

Hope this helped!

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I don’t know i’m sorry
6 0
3 years ago
A medical student is conducting a study to track boys’ weight from age 5 to age 18. The student graphs some data and determines
ollegr [7]

Answer:

A.  the increase in the number of pounds a boy gains each year

Step-by-step explanation:

Any function that can be written as:

y = ax + b

is called a linear function.

Slope of the function (or sometimes referred to as "steepness") is determined by the value of a, which is 1.73 in our case. Since y is number of boy's pounds and x is his year, that means that for every year (when x changes by 1), the boy's weight (y) will change by 1.73.

Value of a is positive (1.73), which means that for each year, from this 5 to 18 interval, boy's weight will increase.

6 0
3 years ago
Hi! Could you help me me out and solve these two problems? "eight less than the product of seven and xxx", and "the sum of six a
Ann [662]

Given:

The given statement are:

a. Eight less than the product of seven and x.

b. The sum of six and the product of three and d.

To find:

The expression for the given statements.

Solution:

a.

Product of 7 and x is 7×x = 7x.

Eight less than the product of seven and x is 7x - 8.

Therefore, the required expression for the statement "Eight less than the product of seven and x" is 7x-8.

b.

Product of 3 and d is 3×d = 3d.

The sum of six and the product of three and d is 6+3d.

Therefore, the required expression for the statement "The sum of six and the product of three and d" is 6+3d.

3 0
3 years ago
Dilate the rectangle below by a scale factor of 2. If the current side lengths are 15 and 8, what are the side lengths on the ne
Ede4ka [16]

The side lengths on the new dilated rectangle will be 30cm and 16cm

<h3>How to calculate dilation</h3>

Given the following parameters

  • Length = 8cm
  • Breadth = 15cm

If the length and breadth are dilated by a factor of 2, hence the new dimansion will be:

New length = 2(15) =30cm

New width =2(8) = 16cm

Hence the side lengths on the new dilated rectangle will be 30cm and 16cm

Leaen more on dilation here: brainly.com/question/3457976

5 0
3 years ago
Read 2 more answers
I need help please! If you do know the answer help me understand
koban [17]

Answer:

1017.4 m³

Step-by-step explanation:

Volume of cone V = (1/3)πr²h

pi = 3.14

r = 9 and r² = 81 m²

h = 12 m

V = (1/3)*3.14*81*12

V = 1017.36 rounded 1017.4 m³, which is the first answer.

5 0
3 years ago
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