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laiz [17]
3 years ago
14

Solve the system by substitution. y = 7x – 20 y = 2x

Mathematics
1 answer:
g100num [7]3 years ago
4 0

Answer:

x=4 y=8

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation

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Point f lies between points g and m. gf =12x+4, fm=16 and gm =16x what is the value of x
Flura [38]

\underset{\leftarrow \qquad \text{\LARGE 16x}\qquad \to }{\stackrel{12x + 4}{G\rule[0.35em]{10em}{0.25pt}} F\stackrel{16}{\rule[0.35em]{16em}{0.25pt}M}} \\\\\\ \stackrel{GF}{12x+4} ~~ + ~~ \stackrel{FM}{16} ~~ = ~~ \stackrel{GM }{16x}\qquad \implies 12x+20=16x \\\\\\ 20=4x\implies \cfrac{20}{4}=x\implies 5=x

8 0
2 years ago
Explain how you know the value of the digits in the number 58
sergiy2304 [10]
There are no decimal points, and there are 2 numbers. Therefore, the first number will be a "10s" number, and the second will be a "1s" number.
4 0
3 years ago
Read 2 more answers
Can y’all help me what do I do here please I’ll give you brainliest
exis [7]

Answer:

1, 2, -3, 51

Step-by-step explanation:

0 ÷ 2 = 0

0 + 1 = 1

2 ÷ 2 = 1

1 + 1 = 2

-8 ÷ 2 = -4

-4 + 1 = -3

100 ÷ 2 = 50

50 + 1 = 51

3 0
4 years ago
Evaluting Algebraic Expressions
Rzqust [24]
1. 3n + 4
3(6) + 4
18 + 4
22

2. N/2 - 1
6/2 - 1
3 - 1
2

3. 15 - n
15 - 6
9

4. n² - 5
6² - 5
36 - 5
31

5. 9(N-2)
9(6-2)
9(4)
36

6. 4n / 3+1
4(6) / 4
24 / 4
6

7. 2(18-n)
2(18 - 6)
2(12)
24

Hope this helped!! If you liked my answer, please mark me as brainliest. Thank you! :9
6 0
4 years ago
Gianna is paid $90 for 5 hours of work.
pav-90 [236]
A for 8 hours of work its 144$
B a little more than 3 hours for 60$
Hope this helps
5 0
4 years ago
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