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3 years ago

5

This is 7th grade math and answer ASAP. Tell me which answer choice in q.5. I will gave brainliest, thx, and 5 star if answered

right.

2 answers:

hram777 [196]3 years ago

5 0

The fourth answer is right as it uses both variables and values correctly

Allushta [10]3 years ago

4 0

The last one is your answer

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Solve for x please 2/3 x+1 =27

romanna [79]

2/3 x + 1 = 27

subtract 1 from each side

2/3 x = 26

multiply by 3/2

3/2 * 2/3 x = 26 * 3/2

x = 39

7 0

4 years ago

Michael is 4 times as old as brandon and is also 27 years older than brandon<br> how old is brandon?

Komok [63]

Let the age of Brandon be x.

Therefore the age of Michael is 4x

Also the age of Michael is 27+x

So

4x=27+x

3x=27

X=9

Brandon age is 9years while Michael's age is 36

6 0

2 years ago

What is the unit rate for 644.8 ft in 31 s?<br><br><br> Enter your answer, as a decimal, in the box

pychu [463]

That would be 644.8 / 31 = 20.8 feet / second

7 0

3 years ago

Read 2 more answers

An isosceles triangle has 2 equivalent sides. The perimeter of an isosceles triangle is 84 centimeters. The measure of one of th

Pani-rosa [81]

Well, to find your solution to this problem, I would subtract 84 from 32 = 52. I would divide the number by 2, which equals 26. So, side lengths are 32, 26, and 26.

Or, another one is that 2 sides have the length of 32, so 32+32=64. I would subtract 84 from 64 and get 20. So, side lengths are 32, 32, and 20.

3 0

4 years ago

Please help, I I beg you please

Tatiana [17]

Answer:

<em>The volume of the cube is </em> $\mathit{\frac{27}{z^3x^{9}}}$ <em>cu in.</em>

Step-by-step explanation:

<u>The Volume of a Cube</u>

Let's have a cube of side length a. The volume of the cube is:

$V=a^3$

The cube of the image has a side length of

$\displaystyle a=\frac{3x^{-3}}{z}\ inches$

Simplifying the expression of the base by converting the negative exponent in the numerator to the denominator:

$\displaystyle a=\frac{3}{zx^{3}}\ inches$

Now find the volume:

$\displaystyle V=\left(\frac{3}{zx^{3}}\ inches\right)^3$

Applying the exponents:

$\displaystyle V=\frac{3^3}{z^3x^{9}}\ inches^3$

$\displaystyle V=\frac{27}{z^3x^{9}}\ inches^3$

The volume of the cube is $\mathbf{\frac{27}{z^3x^{9}}}$ cu in.

8 0

3 years ago