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2 years ago

14

Krishawn adds two rational expressions, and then simplifies the answer. His simplified answer is (x-6)-(8+2)/x-2 Which expressio

n could represent Krishawn's original problem?

1 answer:

arlik [135]2 years ago

5 0

The answer is C.

You're welcome ;)

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Julia spends $7.25 on gas for her lawn mower. She earns $12.00 mowing her neighbor's yard. What is Julia's profit? Julia earned

const2013 [10]

To get julia's profit you will have to subtract the amount she spent on gas from the amount she was paid $12.00-$7.25=$4.75

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3 years ago

Use the number line to find the measure

Tema [17]

Answer:

you have to say the measure

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2 years ago

What is the solution to: <br> T/t-4=t+4/6

S_A_V [24]

$\frac{t}{t-4}= \frac{t+4}{6} \\ t \neq 4 \\ 6t= (t+4)(t-4) \\ 6t=t^2-16 \\ t^2-6t-16=0 \\ D=b^2-4ac=(-6)^2-4*1*(-16)=36+64=100 \\ t_{1,2}= \frac{-bб \sqrt{D} }{2a} \\ t_1= \frac{6-10}{2}=-2 \\ \ t_2= \frac{6+10}{2}=8$

Answer: t=-2, t=8

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2 years ago

6. rule (x,y) ---> is the image similar to the original pre-image?

Artyom0805 [142]

Here, we want to check for the relationship between the image and its pre-image

The pre-image is (x,y)

The image is (3x,3y+5)

As we can see, the pre-image is not similar

This is because the transformation applied to the two values are not same

Thus, we have that;

No, the image is not similar to the pre-image as the translations applied to both coordinates are not same

The pre-image was transformed by dilating the x-coordinate of the pre-image by 3 units while the y-coordinate was transformed by dilating the y-coordinate of the pre-image by 3 and translating it upward by 5 units

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1 year ago

In a state lottery, you must correctly select 5 numbers (in any order) out of 40 to win the top prize. 1. How many ways can 5 nu

Crazy boy [7]

Answer:

In a state lottery, you must correctly select 5 numbers (in any order) out of 40 to win the top prize.

1. How many ways can 5 numbers be chosen from 40 numbers?

40C5 = $\frac{40!}{5!\times35!}$ = 658008 ways.

2. You purchase one lottery ticket. What is the probability that you will win the top prize?

The answer is 5! ways or 120 ways.

Hence, probability of winning top prize = $\frac{120}{658008}$ =0.0001 or 0.01 %

3. The order of the numbers mattered, will the probability of winning increase or decrease? Why?

The probability decreases.

The probability of winning a game when order matters is always less than the probability of winning a game when order does not matter. This is because the permutation is always greater than the combination.

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2 years ago

Read 2 more answers