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scoundrel [369]
2 years ago
10

Answer nowwwwwwwwwwwwwwwwwwwwwwwwwwww

Mathematics
2 answers:
krok68 [10]2 years ago
8 0

Answer:

7/6

Step-by-step explanation:

(7x/12)/(x/2)

=7/6

Kay [80]2 years ago
6 0
Answer: 7/6

Explanation: (7x/12)(x/2)
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Mr. John Doe was figuring out his federal income tax. His income was $26,800, but he was able to subtract $5,500 in deductions.
kumpel [21]
The answer is 
5.70

Mr. John Doe was figuring out his federal income tax. His income was $26,800, but he was able to subtract $5,500 in deductions. He paid 15% of the remaining income tax. How much did he pay?
7 0
3 years ago
What is the best first step for solving the given system using substitution while avoiding fractions -9x+4y=10 -9x+3y=3
Sever21 [200]

Answer:

Solve for x in the first equation. ⇒ the first answer

Step-by-step explanation:

* Lets study how to solve the system of the equation using

 the substitution method

- The first equation is ax + by = c

- The second equation is dx + ey = f

* To chose the first step

- Solve for x or y depends on the integer answer

EX: ax = c - by ⇒ x = c/a - (b/a)y

      b/a = integer , c/a = integer ⇒ best choice

- If not solve for next variable

EX: by = c - ax ⇒ y = c/b - (a/b)y

      a/b = integer , c/b = integer ⇒ best choice

- If not repeat with the second equation to find the best choice

* Lets check our equations:

∵ -9x + 4y = 10 ⇒ (1)

∵ -9x + 3y = 3 ⇒ (2)

* If we start with the first equation and solve for x

∵ -9x = 10 - 4y ⇒ (2)

- It will be difficult if we divide by -9, but the second equation

 has -9x, so we will solve of -9x not for x and substitute the value

 of -9x in the second equation

* Substitute (3) in (2)

∴ 10 - 4y + 3y = 3 ⇒ collect the like terms

∴ -y = -7 ⇒ y = 7

substitute the value of in (3)

∴ -9x = 10 - 4(7) ⇒ -9x = -18 ⇒ ÷ -9 in both sides

∴ x = 3

∴ The best choice to avoid fraction is:

  Solve for x in the first equation.

7 0
3 years ago
Read 2 more answers
Evaluate k(x) = -k - 7 when k(-4)
FinnZ [79.3K]

Answer:

I'm not sure but i think that it's

x= -7

Hope this helps

8 0
2 years ago
Please help ASAP ASAP
Marrrta [24]
I can’t see it it’s blurry to me
4 0
2 years ago
Read 2 more answers
I need help on these please ! only 27, 29, 31,
muminat

27 is 6

29 is 70

31 is 60

those are all of the answers.

5 0
3 years ago
Read 2 more answers
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