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kolezko [41]
3 years ago
5

If y=20 when x=8, whats the value of x when y=-2

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
8 0

Answer:

x=-4/5

Step-by-step explanation:

8/20=x/-2

simplify 8/20 into 2/5

2/5=x/-2

cross product

5*x=-2*2

5x=-4

x=-4/5

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Cathy rolls a number cube that is labeled from 1 to 6.
MatroZZZ [7]

Answer: 2/3

Cathy rolls a number cube that is labeled from 1 to 6.

Total outcomes = {1,2,3,4,5,6}

she rolls an even number or a multiple of 3

Outcomes of an even number = {2,4,6}

Outcomes of multiple of 3 = {3,6}

so favorable outcomes of even number or a multiple of 3 = {2,3,4,6}

Probability ( any event) =number of favorable outcomes divide by total  number of outcomes

probability(even number or a multiple of 3) = \frac{4}{6}=\frac{2}{3}

7 0
3 years ago
How to convert a repeating decimal to a fraction when only 1 digit is repeating?
Alecsey [184]
Example 0.777777

x = 0.77
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10x = 7.77
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5 0
3 years ago
22+n=−12<br> pls help me im kinda confused
Ede4ka [16]

Answer:

-34

Step-by-step explanation:

22+n=-12

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When you bring a positive constant to the other side of the equal sign it goes negative and vise versa. Then you combine like terms.

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3 0
2 years ago
If all accounts earn 1.5% interest per year and no further deposits are made, how much will Letisha have earned one year after h
aleksandrvk [35]
<span>Letisha will have earned however much money she began with plus 1.5 percent. This can be found by taking the initial principal on January 1 of the previous year, multiplying it by 0.015, and adding the result to the previous balance to get the end-of-year total.</span>
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42.95x + 21.95y

Step-by-step explanation:

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