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3 years ago

PLEASE ANSWER FIRST GETS BRAINLIEST

Mathematics

2 answers:

WARRIOR [948]3 years ago

4 0

Answer:

she would find 35 red marbles

Step-by-step explanation:

take the # of red marbles in one bag over the total number of marbles in a bag

5/20

and we know the total of the bags she opens with is 140

essentially it leaves us with x/140

and we're trying to figure out 'x'

so we know that 20 times 7 equals 140 so we do the same to 5 and multiply it by 7 to get 35

notsponge [240]3 years ago

3 0

Answer: 28 red marbles

Step-by-step explanation:

Since there are in total 140 marbles and there are 5 red marbles, just simply divide 140 by 5 and you get your answer. 28 red marbles.

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2 years ago

Enter the distance between points (4, -7) and (-5,5) on the coordinate plane.<br> units

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4 years ago

HELP! PLZ I NEED THIS ASAP

harina [27]

Answer:

$2x^{4}+x^{3}-x+2$

Step-by-step explanation:

To find which one is prime, let's try to factor them all. We can use the factoring by grouping method.

$x^{3}+3x^{2}-2x-6$

$x^{3}+3x^{2}$ and $-2x-6$

$x^{2}(x+3)$ and $-2(x+3)$

So this one is not prime, since you can still factor it.

$x^{3}+2x^{2}-3x-6$

$x^{3}+2x^{2}$ and $-3x-6$

$x^{2}(x-2)$ and $3(x-2)$

So this one is not prime, since you can still factor it.

$4x^{4}+4x^{2}-2x-2$

$4x^{4}+4x^{2}$ and $-2x-2$

$4x^{3}(x+1)$ and $-2(x+1)$

So this one is not prime, since you can still factor it.

$2x^{4}+x^{3}-x+2$

$2x^{4}+x^{3}$ and $-x+2$

$x^{3}(2x+1)$ and -x+2 cannot be further factored.

Therefore, $2x^{4}+x^{3}-x+2$ is a prime.

6 0

3 years ago

Please help me asap <br> I will give brainliest <br> Worth 20 points :)

11111nata11111 [884]

Answer:

6.5 inches

Step-by-step explanation:

It moves up about 1/2 of an inch per day, so we just multiply 13 by 1/2 and that equals 6.5 inches. I hope this helped and please mark me brainliest!

7 0

3 years ago