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3 years ago

Aply the distributive property to factor out the greatest common factor. 70-40p

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

7 0

Answer:

10(7-4p)

Step-by-step explanation:First, you divide the 2 numbers 70 and 40p by 10 which you will get 7 and 4p. Then, put 7-4p in paranthisies. After that put a 10 before the paranthisies.

idk if i spelt ( ) right.

liubo4ka [24]3 years ago

6 0

Answer:

actually the khan academy version is 10(7−4p) because i tried just 10 and it didn't work so this is the khan academy answer

Step-by-step explanation:

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Five years ago, John's age was half of the age he will be in 8 years. How old is he now?

Alexus [3.1K]

Answer:
26 year old

Step by step explanation:
Five years ago, John's age was half of the age he will be in 8 years.
this means that (x-5) = (x+8)/2
-----
solving for x, we get:
2 * (x-5) = x + 8
which becomes:
2x - 10 = x + 8
which becomes:
x = 18
-----
john is 18 years old now.
5 years ago john was 13
8 years from now john will be 26
13 = 1/2 * 26

4 0

2 years ago

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The population of Detroit, Michigan, decreased from 1,027,974 in 1990 to 688,701 in 2013 (Source: U.S. Census Bureau). Find the

AleksandrR [38]

the slope goes by several names

• average rate of change

• rate of change

• deltaY over deltaX

• Δy over Δx

• rise over run

• gradient

• constant of proportionality

however, is the same cat wearing different costumes.

to get the slope of any straight line, we simply need two points off of it, so let's use the ones provided in that

$\begin{array}{|cc|ll} \cline{1-2} \stackrel{years}{x}&\stackrel{population}{y}\\ \cline{1-2} 1990&1027974\\ 2013&688701\\ \cline{1-2} \end{array}\hspace{5em} (\stackrel{x_1}{1990}~,~\stackrel{y_1}{1027974})\qquad (\stackrel{x_2}{2013}~,~\stackrel{y_2}{688701}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{688701}-\stackrel{y1}{1027974}}}{\underset{run} {\underset{x_2}{2013}-\underset{x_1}{1990}}} \implies \cfrac{-339273}{23}\implies -14751\qquad \stackrel{rate~of}{change}$

let's notice, is negative since the population decreased.

5 0

1 year ago

Please help me quickly

lys-0071 [83]

For question 6 the answer is 100 because a quarter of a circle is 90 degrees

4 0

2 years ago

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It has been hypothesized that silicone breast implants cause illness. In one study it was found that women with implants were mo

ZanzabumX [31]

Answer:

This study casts doubts as the hypothesis does not support the women who are smokers, drinkers or use dyes besides the difference of breasts implants.

Step-by-step explanation:

This study casts doubts as the hypothesis does not support the women who are smokers, drinkers or use dyes.

If the null and alternate hypothesis are formulated as

H0 : silicone breasts implants cause illness in smokers, drinkers and hair dyed people

against the claim

Ha: silicone breasts implants do not cause illness in smokers, drinkers and hair dyed people

then there would be no doubt .

But as the null and alternate hypothesis are

H0: silicone breast implants cause illness in women

against the claim

Ha: silicone breast implants do not cause illness in women

This suggests that both categories of women have same characteristics.

But actually both categories do not have same characteristics. The breast implant women also , smoke, drin and dye hair.

So when the characteristics are changed the illness maybe caused by some other characteristics.

3 0

2 years ago

The sum of three consecutive numbers is 135<br> What is the smallest of the three numbers?

Svetllana [295]

Sonsecutive numbers is
first number=x
second=x+1
third=x+2 so

x+x+1+x+2=135 or add like terms
3x+3=135
subtract 3 from both sides
3x=132
divide by 3
x=44
firts number=44
next number=45
next number=46

numbers are 44,45,46

8 0

2 years ago

Read 2 more answers