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AveGali [126]
2 years ago
15

Solve: -8r - (-2r-3) = 13 (if you can give a step by step, that would be great!)

Mathematics
1 answer:
coldgirl [10]2 years ago
4 0

Answer:

r =  -  \frac{5}{3}  = 1 \frac{2}{3}  =  - 1.6

Step-by-step explanation:

- 8r -  ( - 2r - 3) = 13

- 8r + 2r + 3 = 13

- 6r + 3 = 13

- 6r = 13 - 3

- 6r = 10

\boxed{\green{r =  -  \frac{5}{3}  = 1 \frac{2}{3}  =  - 1.6}}

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Susan has purchased a whole life policy with a death benefit of $200,000. Assuming that she dies in 10 years and the average inf
Anika [276]

Answer:

Answer is: $148,809.52

Step-by-step explanation:

Susan has purchased a whole life policy with a death benefit of $200,000.

Assuming that she dies in 10 years.

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5 0
3 years ago
Find the probability of selecting none of the correct six integers in a lottery, where the order in which these integers are sel
Andre45 [30]

Answer:

Step-by-step explanation:

Given

there are six integers to win a lottery

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=\dfrac{^{34}C_{6}}{^{40}C_{6}}

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=\dfrac{^{42}C_{6}}{^{48}C_{6}}

=0.427

Case-3 no of ways to choose 6 incorrect numbers out of 56 integers

\dfrac{^{50}C_{6}}{^{56}C_{6}}

=0.489

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6 0
3 years ago
Find the slope of the line using the points (0,4) and (-3,6)
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calculate the slope m using the gradient formula

m= (y₂ - y₁ ) / (x₂ - x₁ )

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4 0
2 years ago
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velikii [3]

Answer:

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3x-10 = 3(30) - 10 = 90-10 = 80

Hence, the final answer is x = 30.

Step-by-step explanation:

6 0
3 years ago
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