MATHEMATICS MIDDLE SCHOOL

(2x to the 5th power) 3x to the 3/5th power

Answers

Answer 1

Answer: the expression simplifies to 6x^(28/5)
hope this helps :)

Answer 2

Answer:

Answer:

The answer is 6x^(28/5), this is the simplified form. Hope this helps!! =)

Step-by-step explanation:

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68 days increased by 75%

Answers

0.75 x 68 = 51

51 + 68 = 119

68 increased by 75% is 119.
:D

Answer:

119 is the answer

Step-by-step explanation:

My teacher explained this question and we got 199 as the answer

A 14 kg bag of pears for $17. how much is per

Answers

17 dollars divided by 14kg of pears equals 1.21 (to 3 significant figures)

$17 divided by 14kg and you will get 1.21. Hope this helps!

Multiply 3/sqrt17- sqrt2 by which fraction will produce an equivalent fraction with rational denominator

Answers

For this case we have the following expression:

$\frac {3} {\sqrt {17} - \sqrt {2}}$

We must rationalize the expression, so we multiply by:

$\frac {\sqrt {17} + \sqrt {2}} {\sqrt {17} + \sqrt {2}}$

So, we have:

$\frac {3} {\sqrt {17} - \sqrt {2}} * \frac {\sqrt {17} + \sqrt {2}} {\sqrt {17} + \sqrt {2}} =\n\frac {3 (\sqrt {17} + \sqrt {2}} {17- \sqrt {17} * \sqrt {2} + \sqrt {17} * \sqrt {2} -2} =\n\frac {3 (\sqrt {17} + \sqrt {2}} {15}$

Thus, the correct option is option B.

Answer:

OPTION B

Answer:

Step-by-step explanation:

To simplify something that looks like $\frac{\text{whatever}}{√(a)-√(b)}$ you would multiply the top and bottom by the conjugate of the bottom. So you multiply the top and bottom for this problem I just made by:

$√(a)+√(b)$ .

If you had $\frac{\text{whatever}}{√(a)+√(b)}$ , then you would multiply top and bottom the conjugate of $√(a)+√(b)$ which is $√(a)-√(b)$ .

The conjugate of a+b is a-b.

These have a term for it because when you multiply them something special happens. The middle terms cancel so you only have to really multiply the first terms and the last terms.

Let's see:

(a+b)(a-b)

I'm going to use foil:

First: a(a)=a^2

Outer: a(-b)=-ab

Inner: b(a)=ab

Last: b(-b)=-b^2

--------------------------Adding.

a^2-b^2

See -ab+ab canceled so all you had to do was the "first" and "last" of foil.

This would get rid of square roots if a and b had them because they are being squared.

Anyways the conjugate of $√(17)-√(2)$ is

$√(17)+√(2)$ .

This is the thing we are multiplying and top and bottom.

Which of the following is equal to the fraction below? (7/4)^ 11

Answers

Answer:

$((7^(11))/(4^(11)))$

Step-by-step explanation:

$((7)/(4))^(11)$

To simplify this fractional exponent we apply exponential property

$((x)/(y))^m=(x^m)/(y^m)$

As per this property , we multiply the exponent inside the fraction

Multiply the exponent 11 inside the fraction

Multiply the exponent 11 with 7 and then 4

$((7)/(4))^(11)$

$((7^(11))/(4^(11)))$

When you multiply an exponent directly into another exponent, you multiply the exponents

(for a fraction, you multiply the exponent to both the numerator and denominator)

For example:

$(x^(2))^5=x^(2(5))=x^(10)$

$((x^3)/(y^2) )^5=(x^(3(5)))/(y^(2(5))) =(x^(15))/(y^(10))$

$((7)/(4))^(11)=((7^1)/(4^1))^(11)=(7^(11))/(4^(11))$

Your answer is A

How could the fact 36/6=6 help you estimate the quotient of 364,573/64?

Answers

Because when you round 364,573 to the nearest thousand , you get 360,000 and when you round 64 , you get 60 and if you take away the zeros, the equation is basically 36÷6

Find the mean of this set of numbers.5, –11, 7, 12, –1, 0

A.
2

B.
–2

C.
–6

D.
6

Answers

This is how you find the mean of a number:

To find the mean of a number, you need to add up all the numbers listed (so, 5, -11, 7, 12, -1 and 0) and then divide it by the amount of numbers there are listed. 5 + -11 + 7 + 12 + -1 + 0 equals 12, and since there are 6 numbers you then divide 12 by 6. 12 divided 6 is 2.

So the answer is A. I hope this helped you!

The answer is 2

sorry if i am wrong

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