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Fynjy0 [20]
2 years ago
10

Which numbered choice shows a set of numbers whose product is -20 and whose sum is +1?

Mathematics
1 answer:
Ira Lisetskai [31]2 years ago
5 0
5 and -4 are the numbers
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Middle school problem attached :D
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Answer: $638.40

Step-by-step explanation:

45% converted to a decimal is 0.45

0.45 of $1200 = 0.45* $1200 (of in this case means multiply)

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Because they said 11% of remaining salary, we have to do:

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5% converted to a decimal is 0.05

So 0.11+0.05

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Step-by-step explanation:

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3 years ago
Find the probability that when a couple has four ​children, at least one of them is a girl. ​(Assume that boys and girls are equ
AveGali [126]

Answer:

0.9375 = 93.75% probability that at least one of the four children is a girl.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

We have the following sample space

In which b means boy, g means girl

b - b - b - b

b - b - b - g

b - b - g - b

b - b - g - g

b - g - b - b

b - g - b - g

b - g - g - b

b - g - g - g

g - b - b - b

g - b - b - g

g - b - g - b

g - b - g - g

g - g - b - b

g - g - b - g

g - g - g - b

g - g - g - g

Total outcomes

There are 16 total outcomes(size of the sample space)

Desired outcomes

Of these outcomes, only 1(b - b - b - b) there is not a girl.

So the number of desired outcomes is 15.

Probability:

P = \frac{15}{16} = 0.9375

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3 years ago
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Ganezh [65]
Maybe 5 is the answer
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3 years ago
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