Which of the following is the radical expression of a to the four ninths power ?

Answers

Answer 1

Answer: first if a>0 sqrta=a^(1/2), and (a^p)^q=a^pxq

sqrt(a^4/9)= (a^4/9)^1/2=a^4/9x1/2=a^(2/9)
so the answer is a^(2/9)

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Kalon has $175 and needs to save at least $700 for a new computer. If he can save $35 per week, what is the minimum number of weeks Kalon will need to save to reach his goal?

35% of what is 28, thanks for the help

Answers

80, and to check 80*0.35=28

35% of what is 28

To do this, convert 35% to a decimal by dividing it by 100

You get 0.35

Divide28 by 0.35 and you get 80

So. 35% of 80 is 28

Hope this helped!

a crew is made up of 8 men; the rest are women. 66 2/3% of the crew are men. how many people are in the crew?

Answers

let x=total crew number
$(x)/(8)$ = 0.6666..
cross multiply
$(8)/(0.666)$ = x
x=12
12-8 = 4
So there are 4 women in the crew

What is the solution of the equation below?x/6=x-4/2

Answers

x / 6 = -4 / 2
x / 6 = -12 / 6
x = -12 :)

we do it by cross multiplication.

x/6 = x-4/2

2x = 6x-24

2x-6x = -24

-4x = -24

thus, x = -24/-4

thus, x = 6.

A quantity h varies directly with w and inversely with p. If h = 2, w = 4, and p = 6. What is the constant of variation?A. 1/2
B. 4/3
C. 3
D. 12

Answers

Using a proportional relationship, the constant of variation is given as follows:

C. 3

What is a proportional relationship?

A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:

y = kx

In which k is the constant of proportionality.

If the measures are inverse proportional, the relation is:

y = k/x

A quantity h varies directly with w and inversely with p, hence the quantity h is given by:

h = kw/p

h = 2, w = 4, and p = 6, hence we can solve for the constant k.

2 = 4k/6

4k = 12

k = 3.

Hence option C is correct.

More can be learned about proportional relationships at brainly.com/question/10424180