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Sholpan [36]
3 years ago
10

Which choice describes whether x = 19 is the solution of the equation 42 = 3x - 15?

Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer:

check

Step-by-step explanation:

3(19) - 15 = 42

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James has a balance of $1700 on a credit card with an APR of 18.7%, compounded monthly. About how much will he save in interest
miss Akunina [59]

Answer:

  $121.51

Step-by-step explanation:

At 18.7%, the monthly multiplier is 1+.187/12, so for the year, James' balance is multiplied by (1+.187/12)^12 ≈ 1.2038899

At 12.5%, the monthly multiplier is 1+.125/12, so for the year, James' balance is multiplied by (1+.125/12)^12 ≈ 1.1324161

The difference in these multipliers is ...

  1.2038899 -1.13241605 = 0.0714739

so James' savings is ...

  $1700 × 0.0714739 ≈ $121.51

5 0
3 years ago
Seven times the sum of a number 9 and 2 equals .
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I think it’s 9+2 because it say sum
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2 years ago
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Which polynomial is in standard form? A) 26x^5+12x^7-8x^3+6x
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It's C.  In order to be in standard form you have to have all your exponents in descending order.  They don't all have to be there in order, the ones that are just have to go from highest to lowest.
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What is the interquartile range of the data set? {18, 17, 10, 25, 20, 20, 30, 18, 18, 30, 25} Enter the answer in the box. PLEAS
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4x + 5x + 12 = 6(x-2)<br> Math
Rashid [163]

Hi there! :)

\large\boxed{x = -8}

4x + 5x + 12 = 6(x - 2)

Combine like terms and distribute the coefficient outside of the parenthesis:

9x + 12 = 6(x) + 6(-2)

9x + 12 = 6x - 12

Subtract 6x from both sides:

9x - 6x + 12 = 6x - 6x - 12

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Subtract 12 from both sides:

3x + 12 - 12 = -12 - 12

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Divide both sides by 3:

3x/3 = -24/3

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4 0
3 years ago
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