2 years ago

1/2p+ 2/5 p = Simplify expression ^^

Mathematics

1 answer:

irinina [24]2 years ago

5 0

Answer:

9/10p

Step-by-step explanation:

1/2p+ 2/5 p

Get a common denominator of 10

1/2 p *5/5 = 5/10 p

2/5p *2/2 = 4/10 p

1/2p * 2/5 p

5/10p * 4/10 p

9/10p

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What is the slope of 4x+5y= -10

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Step-by-step explanation:

To find the slope, rearrange the equation to y=mx+b or y=mx+c.

$4x+5y=-10$

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The sum of two numbers is 8and the sum of their squares is 34. What is the smaller number?

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Read 2 more answers

The mean of five numbers is 8. when another number is added the mean is 7. find the number added

sasho [114]

Answer:

$\large \boxed{\sf \ \ 2 \ \ }$

Step-by-step explanation:

Hello,

<u>The mean of five numbers is 8</u> so we can write

$\dfrac{x_1+x_2+x_3+x_4+x_5}{5}=8$

<u>When another number is added the mean is 7</u>, let s note x the another number we can write

$\dfrac{x_1+x_2+x_3+x_4+x_5+x}{6}=7$

From the first equation we can say

$x_1+x_2+x_3+x_4+x_5=8*5=40$

So the second equation becomes

$\dfrac{x_1+x_2+x_3+x_4+x_5+x}{6}=7\\\\ \dfrac{40+x}{6}=7\\\\40 + x = 6*7=42\\\\ x = 42-40 = 2\\$

The solution is then 2

Hope this helps

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