3 years ago

Will upvote!

Mathematics

2 answers:

My name is Ann [436]3 years ago

7 0

(-2,8),(-1,5),(0,2),(1,-1),(2,-4) are points of the line.

Natasha_Volkova [10]3 years ago

6 0

−7y-21x=<span>−6-8
</span>−7y-21x =<span>−14</span>

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3 years ago

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3 years ago

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If 3 is added to twice a number, the result is 17. Find the number

Crank

Answer:

Step-by-step explanation:

The text of this expression is:

"If 3 is added to twice a number, the result is 17. Find the number"

Let's call $x$ the number we want to find.

Twice the number is equal to

$2x$

So, if we add 3 to 2x, we get

$3+2x$

And we know that this is equal to 17:

$3+2x=17$

Now we can solve the equation to find x: first, we subtract 3 from both sides

$3+2x-3=17-3\\2x=14$

Now we divide both sides by 2:

$\frac{2x}{2}=\frac{14}{2}\\x=7$

7 0

3 years ago

In a programming team of 20 persons, 1/4 are women and 3/4 are men. to obtain a team with 40% women, how many women should be hi

Savatey [412]

This is the concept of algebra, to solve the question we proceed as follows;
the current number of women is:
1/4*20=5 women
the percentage of women is:
1/4*100=25%
therefore for the team to have 40% women, the number of women should be:
40/25*5
=8 women
The answer is 8 women

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3 years ago

The sum of two numbers is 61, the difference is 35. What are the numbers?

saveliy_v [14]

Answer:

13 & 48

Step-by-step explanation:

Hope that helps!

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3 years ago