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2 years ago

How do u do this step by step ? -8 ÷ 3.2

Mathematics

2 answers:

Ad libitum [116K]2 years ago

6 0

Answer:

the answer is -2.5

Step-by-step explanation:

kap26 [50]2 years ago

5 0

-2.5

Step-by-step explanation:

When dividing, if either the numerator or denominator is negative, the answer must be in negative form.

-8 ÷ 3.2 = -2.5.

There is no explanation for the solving, only that you'll use your calculator for that aspect.

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An urn contains 12 balls, of which 4 are white.

wel

Answer:

a) $\frac{1}{3}$

b) $\frac{4}{12}\,,\,\frac{4}{11}\,,\,\frac{4}{10}\,,...$

Step-by-step explanation:

Number of balls in the urn = 12

Number of white balls in the urn = 4

So, number of balls which are not white = 12 - 4 = 8

We know that probability = No. of outcomes/Total number of outcomes

Let $A_i\,,\,B_i\,,\,C_i$ denotes the event of getting white ball by A, B and C

a) each ball is replaced after being drawn.

Probability = Number of white balls/Total number of balls

Solution: $P(A_i)=P(B_i)=P(C_i)=\frac{4}{12}=\frac{1}{3}$

b)the balls that are withdrawn are not replaced.

Solution:

If A wins: $P(A_1)=\frac{4}{12}=\frac{1}{3}$

If A lost and B wins: $P\left ( B_1|A_1^{c} \right )=\frac{4}{11}$

If A and B lost and C wins: $P\left ( C_1|A_1^{c}\,B_1^{c} \right )=\frac{4}{10}$

and so on....

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3 years ago

First and Second Street are parallel to each other.

garik1379 [7]

If I did this right, it should be:

1. 130 degrees
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3 years ago

If we recreated the scene from Fast & Furious 7 and dropped a Challenger SRT® Hellcat Redeye Widebody from a C-130 aircraft

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Answer:

Step-by-step explanation:

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3 years ago

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In the diagram, AB and EF are horizontal lines and CB is a vertical line segment. If FB : FC = 4 : 3, what are the coordinates o

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3 years ago

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Find the values of x and y

ale4655 [162]

Answer:

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Step-by-step explanation:

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2 years ago

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How do u do this step by step ? -8 ÷ 3.2​

How do u do this step by step ? -8 ÷ 3.2