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Jobisdone [24]
3 years ago
10

a trapezoid with an area of 166.75 in has bases that measure 21in and 8 in find the height of the trapezoid

Mathematics
1 answer:
alisha [4.7K]3 years ago
6 0

Answer:

height = 11.5 in

Step-by-step explanation:

The area (A) of a trapezoid is calculated using the formula

A = \frac{1}{2} h(a + b)

where h is the height and a, b the bases

here a = 21, b = 8 and A = 166.75, hence

\frac{1}{2} h(21 + 8) = 166.75

Multiply both sides by 2 to eliminate the fraction

29h = 333.5 ( divide both sides by 29 )

h = 11.5 in

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PLEASE HELP ASAP this is for Distribution Area Model (Algebraic) :(
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Order 34 x 10^2,1.2x10^7,8.11×10-^3 and 435 from least to greatest
FromTheMoon [43]

Answer:

The ascending order is 8.11\times 10^{-3},435, 34\times 10^2, 1.2\times 10^7

Step-by-step explanation:

First of all find the exact value of each number.

34\times 10^2=34\times 100=3400

1.2\times 10^7=1.2\times 10000000=12000000

8.11\times 10^{-3}=\frac{8.11}{1000}=0.00811

The fourth number is 435.

Using the above calculation we can easily arrange these numbers form least to greatest.

The ascending order is

0.00811, 435, 3400, 12000000

It can be written as

8.11\times 10^{-3},435, 34\times 10^2, 1.2\times 10^7.

4 0
3 years ago
Donan solves the equation using the sequential steps below.
vitfil [10]

Answer:

Associative property

Step-by-step explanation:

This property states that when three or more numbers are added (or multiplied), the sum (or the product) is the same regardless of the grouping of the addends (or the multiplicands).

eg. a+(b+c) is same as (a+b)+c

7 0
2 years ago
Solve for x.<br> (5x - 24)<br> (8x + 9)
Natalija [7]

Answer:

We get two values x = 24\5

x = -9\8

Step-by-step explanation:

We can also do it by another method.

(5x - 24)

(8x + 9)

Just change the signs of 8x and 9 in minus.

we get

-3x = -33

3x =33

x = 33\3

x = 11

Hope this helps you.

Please Mark as Brainliest.

4 0
3 years ago
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