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3 years ago

Rewrite the expression without the negative exponent. 1/x^−8 (this is a fraction)

Mathematics

1 answer:

ser-zykov [4K]3 years ago

8 0

Answer:

I believe the answer is x^8

Step-by-step explanation:

move x^-8 to the numerator in 1/x^-8 using the negative exponent rule 1/b-n = b^n.

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A bucket contains 40 red balls, 25 black balls, and 35 white balls. Two balls are drawn at random. What is the probability that

Lyrx [107]

Answer:

$Probability = \frac{1}{5}$ or $Probability = 0.2$

Step-by-step explanation:

Given

$Black = 25$

$White = 35$

$Red = 40$

Required

Determine the probability of selecting Black and Red

First, we need to calculate the number of red and black balls

The probability is calculated as thus:

$Probability = P(Black\ and \ Red) \ or\ P(Red\ and \ Black)$

Convert to mathematical expressions

$Probability = [P(Black) *P(Red)] + [P(Red) *P(Black)]$

Solve for each probaility;

$P(Black) = \frac{Black}{Total} = \frac{25}{100}$

$P(Red) = \frac{Red}{Total} = \frac{40}{100}$

So, we have:

$Probability = [P(Black) *P(Red)] + [P(Red) *P(Black)]$ $Probability = [\frac{25}{100} *\frac{40}{100}] + [\frac{40}{100} *\frac{25}{100}]$

$Probability = [\frac{1000}{10000}] + [\frac{1000}{10000}]$

$Probability = [\frac{1}{10}] + [\frac{1}{10}]$

$Probability = \frac{1+1}{10}$

$Probability = \frac{2}{10}$

$Probability = \frac{1}{5}$

$Probability = 0.2$

7 0

3 years ago

Plz tell me the answer

kari74 [83]

Answer:

1)6cm²

2)2

3)1000cm²

4)16x²+y²+8xy

8 0

2 years ago

What is the value of 6 in 70,681? Explain how you know.

Dafna11 [192]

Answer:

it's 100

Step-by-step explanation:

70000

0000

600

I don't know if you understand

6 0

1 year ago

Can you please help Imao the first answer gets the brainiest

Eduardwww [97]

Answer: 4 for the first one and 4.25

Explanation:

If you like this don’t forget to thank me and brilliant

7 0

2 years ago

What is 6a<42 and a + 4>7

ozzi

Answer:

let's start with

6a<42

a<7

Next we simplify

a+4>7

a>7-4

a>3

Step-by-step explanation:

Answer

3<a<7

6 0

3 years ago