3 years ago

What is the length of the line?

Mathematics

1 answer:

vovikov84 [41]3 years ago

8 0

Answer:

Step-by-step explanation:

x*x=12*12+5*5

x*x=144+25

x*x=169

x=13

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Simplify the linear expression.<br> −4x+5(−5x−1)<br> plz help

MA_775_DIABLO [31]

Answer:

-29x-5

Step-by-step explanation:

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3 years ago

Which statement best describes the function h(t) = 210 – 15t?

jonny [76]

Answer:

The answer is b.

h is the function name; t is the input and h(t) is the output.

The function name is the one outside the parentheses, the input is inside and the output is the whole function.

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

against the wind a small plane flew 280 miles in 1 hour and 10 minutes. the return trip took only 50 minutes. What was the speed

Amanda [17]

1) 1hour 10minutes = $\frac{7}{6}$ hours,
50 minutes = $\frac{5}{6}$ hours

2) speed of plane against the wind = $\frac{280miles}{ \frac{7}{6} } = \frac{280*6}{7}=240miles /hours$

3) speed of plane on the the wind = $\frac{280miles}{ \frac{5}{6} } = \frac{280miles*6}{5}=336miles/hours$

4) (336-240):2=48miles/hours - speed of wind
5)336-48=288miles/hours - plane's speed <span>in still air

Answer: speed of wind is 48 miles/hours, speed of </span>plane in still air is 288 miles/hours

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4 years ago

Name the algebraic property that is being shown in the example: 4(x+3) = 4x + 12

Vsevolod [243]

The property you use to get from 4(x + 3) to 4x + 12 is the distributive property.

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3 years ago