3 years ago

I really need help with 7 and 8

1 answer:

6 0

7. 55 + 35 + x = 180 x = 90 making the triangle a right triangle.

8. The room would be 11 inches by 8.5 inches. The scale factor is 1/2 : 1

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John needs to cut three strips of woods, 25.5 cm, 15.3cm and 9.25cm long. He has a strip that is 72 cm long. How long will lefto

horsena [70]

Add 25.5, 15.3, 9.25 all together and subtract it from 72. The answer is 21.95

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3 years ago

Amelia invests money in an account paying simple interest. She invests $100 and no money is added or removed from the investment

defon

Answer:

$\textsf {1 percent}$

Step-by-step explanation:

$\textsf {Simple Interest Formula :}$

$\mathsf {I = P \times r \times t}$

$\textsf {Given :}$

$\textsf {I = 101 - 100 = 1}$

$\textsf {P = 100}$

$\textsf {t = 1}$

$\textsf {Solving :}$

$\mathsf {1 = 100 \times 1 \times r}$

$\mathsf {r = \frac{1}{100}}$

$\mathsf {r = 0.01}$

$\textsf {r = 1 percent}$

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2 years ago

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For what is the value of the rational expression below? X+20/x+4

Rus_ich [418]

Answer:

(4 + 20) / (4 + 4)

= 24 / 8

= 3

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3 years ago

Need help it will mean a lot to me

BigorU [14]

There are 3 terms in that expression

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3 years ago

9 to the negative 8th<br> power * 1/9 to the 3rd power

Alexxandr [17]

Answer:

-1

Step-by-step explanation:

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3 years ago

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