3 years ago

Find the sum. 5(−3.4k−7)+(3k+21)

1 answer:

7 0

The answer should be -14 · (k + 1) if u simplify 17/5 and then rewrite the whole as a equivalent fraction and pull out like terms

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Round 39.19 to the ones place

andrew11 [14]

The answer is 39.2...
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3 years ago

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Two less than 3 times a number is the same as the number plus 10. What is the number?

taurus [48]

This should help

3 * a - 2 = a + 10

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Cboxed%7B%5Csf%202x%2B31%3D5%7D" id="TexFormula1" title="\boxed{\sf 2x+31=5}" alt="\boxed{\s

AleksAgata [21]

2x + 31 = 5

2x = 5 - 31

2x = -26

x = -26/2

x = -13.

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꧁✿ ᴿᴬᴵᴺᴮᴼᵂˢᴬᴸᵀ2222 ✬꧂

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3 years ago

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0.3(n-5)=0.4-0.2 solve for n!

mariarad [96]

Answer:

$n = 5.67$

Step-by-step explanation:

0.3(n-5)=0.4-0.2

0.3(n-5) = 0.2

Dividing 0.3 both side

$\frac{0.3(n-5) }{0.3} = \frac{0.2}{0.3}$

$n-5 = 0.67$

$n = 0.67+5$

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4 0

3 years ago

What is the simple interest for a principal of $650 invested at a rate of 9% for 5 years?

Ne4ueva [31]

Answer: 292.50 dollars

Work Shown:

P = 650 is the the principal.

r = 0.09 is the interest rate in decimal form.

t = 5 is the number of years.

i = P*r*t

i = 650*0.09*5

i = 292.50 is the simple interest.

8 0

3 years ago