3 years ago

Which of the following statements are true? Select all that apply.

Mathematics

1 answer:

statuscvo [17]3 years ago

5 0

1. 2. 4. 6. Maybe 5 but I'm not 100% sure.

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The perimeter of a rectangle is 72 in. The base is 3 times the height. Find the area of the rectangle

Dovator [93]

Answer:

243 in²

Step-by-step explanation:

Step 1. Calculate the<em> base and height </em>of the rectangle

We have two conditions:

(1) 2b+ 2h = 72 in

(2) b = 3h Substitute in (1)

2(3h) + 2h = 72 Remove parentheses

6h + 2h = 72 Combine like terms

8h = 72 Divide by 6

h = 9 in Substitute in(2)

b = 3 × 9

b = 27 in

Step 2. Calculate the area of the rectangle

A = bh

A = 27 × 9

A = 243 in²

The area of the rectangle is 243 in².

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3 years ago

Nine more than the product of -8 and a number is -7

Yanka [14]

Answer:

-9

Step-by-step explanation:

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3 years ago

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F(x)= -2(x-5)^2+8

geniusboy [140]

I don’t know all of it but....
Axis of symmetry is x=5
Vertex changed to (5,8)
Parabola opens down

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3 years ago

What is cos P? Right triangle PQR with a short leg measuring 5, a long leg measuring 12, and the hypotenuse as 13

OLga [1]

It depends how you name the sides of triangle.
Look at picture at the result.

$cos\alpha=\frac{12}{13}\\
cos\beta=\frac{5}{13}$

PS. Sorry for my terrible drawing but I did it as fast as possible :)

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3 years ago

Who the hell is Bucky? <br>

Diano4ka-milaya [45]

I really don’t know....

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