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3 years ago

14

choosing a letter from the word Space and choosing a consonant from the word map I need the sample space in a tree diagram touch

the fhoto to see

1 answer:

LuckyWell [14K]3 years ago

8 0

Do exactly what you did in the first part except with a constant letter from MATH

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Which expression is equivalent to (cd)^(5)

zubka84 [21]

If you would like to find the equivalent expression to (c*d)^5, you can do this using the following steps:

<span>(c*d)^5 = c^5*d^5 = c^5d^5
</span>
<span>The correct result would be c^5d^5.</span>

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3 years ago

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A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer corre

hoa [83]

Answer:

we got 80% from 20 questions

then

(20/100)×80=16

so he answered 16 questions correctly

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Describe the meaning of the rate. 4 scoops per load A. 4 scoops will make 4 loads B. 4 scoops will make 16 loads C. each load co

JulsSmile [24]

D. There are 4 loads in each scoop. Per means in so D would make the most sense

Hope this Helps C:

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3 years ago

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I need help with this problem.

sdas [7]

Answer:

$\text{4}\quad -3x^{-1}+x^{-2}$

Step-by-step explanation:

The answer choices suggest there is a common factor of (x+2) that can be removed from numerator and denominator.

The denominator factors as ...

$x^3+2x^2=x^2(x+2)$

The numerator obviously has no factors of x. We can try any of several means to determine if (x+2) is a factor. I tried synthetic division and found that the numerator can be written as ...

$-3x^2-5x+2=(-3x+1)(x+2)$

Then the expression simplifies to ...

$\dfrac{-3x^2-5x+2}{x^3+2x^2}=\dfrac{(-3x+1)(x+2)}{x^2(x+2)}\\\\=\dfrac{-3x+1}{x^2}=\dfrac{-3x}{x^2}+\dfrac{1}{x^2}=-3x^{-1}+x^{-2} \qquad\text{matches choice 4}$

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3 years ago

How many ones equal 9 tens?

Scilla [17]

90 one's are equal to 9 tens

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3 years ago