Need help with 61. Show steps please.

Mathematics

1 answer:

skelet666 [1.2K]4 years ago

3 0

Just do 3x+5+2x=90 And solve for x.

So, 5x+5=90
5x=85
x=85/5 = 17

now you know the value of x, so you can calculate the angles.

Btw the total angle of a triangle is 180, and since this is a right angle triangle, you know that the two angles added together needs to equal 90.

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Please Help!!!! ASAP!! I will mark Brainliest!!! Please awnser CORRECTLY!! No guessing.

Olenka [21]

Answer:

Step-by-step explanation:

f(5) means we must plug in 5 wherever we see an x in the function.

$f(x) = \frac{1}{9} 3^{x}$

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$f(5) = \frac{1}{9} * 243$

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<u>So f(5) = 27! The answer is C.</u>

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3 years ago

Danielle construct a scale model of a building with a rectangular base her model is 2 inches in length and 1 inch in width the s

Kitty [74]

Given:

a.) The scale of the model is 1 in equals 47 ft.

b.) Danielle constructs a scale model of a building with a rectangular base her model is 2 inches in length and 1 inch in width.

To be able to determine the actual area of the base, let's first identify the actual dimensions of the base.

We get,

$\text{Length: 2 (inches) x }\frac{47\text{ ft.}}{1\text{ (inch)}}\text{ = 2 x }\frac{47\text{ ft.}}{1}\text{ = 94 ft.}$ $\text{Width: 1 (inch) x }\frac{47\text{ ft.}}{1\text{ (inch)}}\text{ = 1 x }\frac{47\text{ ft.}}{1}\text{ = 47 ft.}$

Let's now solve for the area of the base, since it is a rectangle, we will be using the formula below: