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3 years ago

5

A boy weighs x pounds. His younger sister weighs 53 pounds more than him. His father weighs four times as much as his sister. Wr

ite a simplified expression that respresents the father’s weight

1 answer:

jeka57 [31]3 years ago

6 0

4(x+53) is his father's weight. Hope this helped!

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28y-16y simpy equals to 12y

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3 years ago

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Y=30x+18
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3 years ago

11/4 - 2/4 as an improper fraction

tatiyna

Answer:

9/4

Step-by-step explanation:

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2 years ago

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

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3 years ago

Alberto is snowboarding down a mountain with a constant slope. the slope he is on has an overall length of 1560 feet. the top of

Olenka [21]

The slope of the equation is calculated as:

$\frac{h_2-h_1}{t_2-t_1}=m$

Where $h_2$ is the height of the upper part of the slope and $h_1$ is the height of the low er part.

$m=\frac{4000-4600}{24-0}$

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So, the equation of the line is:

$h-4600=-25(t-0)$

$h=-25t+4600$

With this equation we can find the height of Alberto after having passed 10 sec.

$h(10)=-25 (10)+4600\\h(10)=-250+4600\\h(10)=4350$

After 10 seconds Alberto is 350 feet from the bottom of the slope.

Alberto's speed is:

$v=\frac{1560ft}{24s}=65ft/s$

The speed in miles per hour is:

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4 years ago