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labwork [276]
2 years ago
13

ANSWER TO BE NAMED BRAINLIEST GET A THANK YOU AND A 5 STAR VOTE FOR YOUR ANSWER PLZ HELP

Mathematics
2 answers:
tensa zangetsu [6.8K]2 years ago
4 0

Answer:

80, every 5 percent is 4 people. So every 25% is 20. 20 x 4 is 80.

Step-by-step explanation:

ZanzabumX [31]2 years ago
3 0

I would say 30, would be the ans

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Solve using substitution. <br> 7x-4y=-12<br> 9x-4y=-20
MrRissso [65]

Answer:y= -4

Step-by-step explanation:

1 Solve for xx in 7x-4y=-127x−4y=−12.

x=\frac{4(y-3)}{7}

x=

7

4(y−3)

​

2 Substitute x=\frac{4(y-3)}{7}x=

7

4(y−3)

​

 into 9x-4y=-209x−4y=−20.

\frac{36(y-3)}{7}-4y=-20

7

36(y−3)

​

−4y=−20

3 Solve for yy in \frac{36(y-3)}{7}-4y=-20

7

36(y−3)

​

−4y=−20.

y=-4

y=−4

4 Substitute y=-4y=−4 into x=\frac{4(y-3)}{7}x=

7

4(y−3)

​

.

x=-4

x=−4

5 Therefore,

\begin{aligned}&x=-4\\&y=-4\end{aligned}

​

 

x=−4

y=−4

​

3 0
2 years ago
Evan is going to the country fair this weekend. The admission to the fair is five dollars and the cost per ride is $.50. If his
Naya [18.7K]

Answer:

I believe he can go on 30 rides.

Step-by-step explanation:

The equation would be 5 + .5x = 20

Because $5 to get in, plus $.50 per ride (x is number of rides you are solving for), and $20 is total amount you can spend.

So, .5x=15 so x=30

6 0
3 years ago
To solve for y in the equation 2 x + y = 5, subtract 2 from both sides of the equation.
steposvetlana [31]

Answer:

False.

Step-by-step explanation:

Because we have to isolate y and subtracting 2 will not put y alone on one side.

We have to subtract 2x in order to solve for y.

3 0
3 years ago
Read 2 more answers
Equation 1: 5x + 3y=8<br> equation 2: 4x + 7y= 34<br><br> 9x-10y=42 true
jarptica [38.1K]

Answer:

true

Step-by-step explanation:

5x + 4x = 9x

3y + 7y = 10y

8 + 34 = 42

8 0
2 years ago
Read 2 more answers
The line shown represents the amount of money Ben owes on his lunch account.
nasty-shy [4]

Answer:

y=2x-1

Step-by-step explanation:

Remeber to put no spaces on the test

and it is this answer bc he owes one dollar evryday and owing is negative

7 0
3 years ago
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