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Damm [24]
3 years ago
13

Which of the following expressions is equivalent to the expression a^2/3

Mathematics
1 answer:
vladimir1956 [14]3 years ago
3 0

∛a² → C

From the ' law of exponents '

a^{\frac{m}{n} } = \sqrt[n]{a^{m} }


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Find the midpoint of A and B where A has coordinates (2,9)
timofeeve [1]

Answer:

(\dfrac{9}{2}, \dfrac{13}{2})

Step-by-step explanation:

The coordinates of A = (2,9)

The coordinates of B = (7,4)

Let M (x,y) be the mid point of A and B.

M(x,y)=(\dfrac{x_1+x_2}{2}),(\dfrac{y_1+y_2}{2})\\\\=\dfrac{2+7}{2}, \dfrac{9+4}{2}\\\\=(\dfrac{9}{2}, \dfrac{13}{2})

So, the coordinates of mid point of A and B is (\dfrac{9}{2}, \dfrac{13}{2}).

7 0
3 years ago
Determine the resulting polynomial: <br> f(x)=10x−5<br> g(x)=2x2+4x−4<br> Find: f(x)⋅g(x)
Lina20 [59]
40x^2 - 20x

(10x-5)(2*2+4x-4)
(10x-5)(4-4+4x)
(10x-5)(4x)
40x^2 - 20x
4 0
3 years ago
01:49:1
Keith_Richards [23]

Answer:

The correct option is C:

C) The representative sample contained more girls than boys.

Step-by-step explanation:

It is given that a random sample is chosen from a total students of 160 students. The sample can be of 10,15 or any small numbers of students as compared to 160. However, a sample cannot be of 160 students as it is defined as a population in this case.

A random sample is always unbiased. Which means that the sample chosen should have around the same proportion of girls to boys as it is in the population of 160.

We know that:

Total boys in 160 = 65

Total girls in 160 = 95

Proportion of girls to boys = 95/65 = 1.462

Which means that for every 1 boy, there are 1.462 of girls.

The same ratio is held in a random sample, hence the total number of girls will be greater than boys

6 0
3 years ago
Shirts are onsale at 3 for $15.50. how many shirts can you buy with $139.50.
Goshia [24]
If one shirt is sold for $15.50, the amount of shirts you'd be able to buy with $139.50 is 9.

Multiply 9 by 3 and you get your answer: 27 Shirts
5 0
3 years ago
Read 2 more answers
10^1 has what place value?
Oxana [17]
It is in the ten's place. hope that helped
6 0
3 years ago
Read 2 more answers
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