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topjm [15]
4 years ago
10

Solve for x: the quantity of x plus 4 over 3 = 2. (1 point)

Mathematics
1 answer:
ad-work [718]4 years ago
7 0

For this case we must solve the following equation:

\frac {x + 4} {3} = 2

We follow the steps below:

Multiplying by 3 on both sides of the equation we have:

x + 4 = 3 * 2\\x + 4 = 6

Subtracting 4 from both sides of the equation:

x = 6-4\\x = 2

Thus, the solution of the equation isx = 2

Answer:

x = 2

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kendra has $7.10 in nickels and quarters. if she has 143 more quarters than nickels how many of each coin does she have
Norma-Jean [14]

Answer:

Nickel = 12

Quarters = 26

Step-by-step explanation:

Given

<em>Represent Nickel with N and Quarters with Q</em>

Q = 14 + N   --- <em>It's 14 more quarters; not 143</em>

Worth = \$7.10

Required

Determine the quantity of each coin

First, we have to know that:

0.25Q + 0.05N = 7.10 -- (1)  ---- By converting N and Q to dollars;

Q = 14 + N

Substitute 14 + N for Q in (1)

0.25(14 + N) + 0.05N = 7.10

Open Brackets

3.5 + 0.25N + 0.05N = 7.10

Collect Like Terms

0.25N + 0.05N = 7.10 - 3.5

0.3N = 3.6

Divide through by 0.3

N = 3.6/0.3

N = 12

Recall that:

Q = 14 + N

Q = 14 + 12

Q = 26

5 0
4 years ago
Write the sum of 7√28x⁶+4√7x⁶ in simplest form, if x≠0​
riadik2000 [5.3K]

Answer:

18√7x⁶

Step-by-step explanation:

Given the expression 7√28x⁶+4√7x⁶, we are to fund the sum in its simplest form as shown;

7√28x⁶+4√7x⁶

= 7√(7*4)x⁶+4√7x⁶

= 7*2√7x⁶+4√7x⁶

= 14√7x⁶+4√7x⁶

Factor out the like term

= 2√7x⁶(7+2)

= 2√7x⁶(9)

= 18√7x⁶

Hence the sum is equivalent to 18√7x⁶

6 0
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The answer's D, I think. Hope this helps.
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3 years ago
I NEED HELP ASAP!!!!!!!!!!!!!!!!
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Answer:

1/6

Step-by-step explanation:

If you divide the fractions to decimals 1/6 equals .16 which is closest to 0

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