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Galina-37 [17]
4 years ago
7

What is the solution set for 7x−4=3x+8 , given the replacement set {2,3,4,5} ?

Mathematics
2 answers:
sp2606 [1]4 years ago
6 0

Answer:X=3

Step-by-step explanation:

mario62 [17]4 years ago
4 0
7x-4=3x+8
4x-4=8
4x=12
x=3
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Alina had 3/5 much money as edna. edna had $32 more than alina. how muuch money would alina have if her mother gave her 1/6 more
olga_2 [115]

Alina has $22.4 if her mother gave her 1/6 more of what she had at first.

<h3>What is a fraction?</h3>
  • A fraction is a portion of a whole or, more broadly, any number of equal parts.
  • In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.

To find how much money would Alina has if her mother gave her 1/6 more of what she had at first:

Alina has 3/5 much money as Edna.

Edna has $32.

Alina's mother gave her more 1/6 or 3/5.

So, first, we will find 1/6 of 3/5.

  • 3/5 × 1/6 = 3/30

Now, add 3/30 to 3/5.

  • 3/5 + 3/30 = 21/30.

Hence, Alina has 21/30 as much money as Edna.

Then,

  • $32 × 21/30 = $22.4

Therefore, Alina has $22.4 if her mother gave her 1/6 more of what she had at first.

Know more about fractions here:

brainly.com/question/17220365

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4 0
2 years ago
You have 10,000 dollors to deposit in a savings account that earns simple interest at a rate of 4.5% per year. how much interest
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4 years ago
Find f(-7) if f(x) = 2x + 8
inna [77]

Answer:

-6

Step-by-step explanation:

f(x) = 2x + 8

Put x as -7.

f(-7) = 2(-7) + 8

Multiply first.

f(-7) = -14 + 8

Add.

f(-7) = -6

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Step-by-step explanation:

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3 years ago
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