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BaLLatris [955]
3 years ago
12

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}

or

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

80

1

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
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