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2 years ago

Calculate the area of the window using the dimensions given in Part A. SHOW YOUR WORK and EXPLAIN YOUR REASONING.

Mathematics

1 answer:

SashulF [63]2 years ago

6 0

The shape of the window is a trapezoid, and the area of the window is 110.88 square feet

<h3>How to determine the area of the window?</h3>

The given parameters are:

Long base = 15.2 feet
Short base = 11.2 feet
Perpendicular height = 8.4 feet

The shape of the window is a trapezoid.

So, the area is:

Area = 0.5 * (Long + Short) * Height

This gives

Area = 0.5 * (15.2 + 11.2) * 8.4

Evaluate

Area = 110.88

Hence, the area of the window is 110.88 square feet

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Find the solution of this system of equations<br><br> -3x-7y=-66<br><br> -10x-7y=-24

andrezito [222]

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Hi my lil bunny!

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A) Let's solve for x. $-3x-7y=-66$

Step 1: Add 7y to both sides.

$-3x - 7y + 7y = -66 + 7y \\-3x = 7y - 66$

Step 2: Divide both sides by -3.

$\frac{-3x }{-3} = \frac{7y - 66}{-3}$

$x = \frac{-7}{3}y + 22$

Answer : $\frac{-7}{3}y + 22$

~~~~~~~~~~~~~

B) Let's solve for x. $-10x-7y=-24$

Step 1: Add 7y to both sides.

$-10x - 7y + 7y = -24 + 7y \\-10x = 7y - 24$

Step 2: Divide both sides by -10.

$\frac{-10x}{-10} = \frac{7y - 24}{-10}$

$x = \frac{-7}{10}y + \frac{12}{5}$

Answer : $\frac{-7}{10}y + \frac{12}{5}$

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If this helped you, could you maybe give brainliest..?

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4 years ago

Is 21.8 x 10 to the power of 8 a scientific notation

Oksanka [162]

Answer:

$\large\boxed{2.128\times10^9}$

Step-by-step explanation:

The scientific notation:

$a\cdot10^k\\\\1\leq a$

We have:

$21.8\times10^8$

21.8 >10

21.8 = 2.18 × 10

Thereofre:

$21.8\times10^8=2.18\times10\times10^8$

Use

$a^n\cdot a^m=a^{n+m}$

$21.8\times10^8=2.18\times10^1\times10^8=2.18\times10^{1+8}=2.18\times10^9$

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Step-by-step explanation:

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Step-by-step explanation:

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