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3 years ago

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Mathematics

2 answers:

ipn [44]3 years ago

5 0

You have to power all the values in the brackets, like such:

(-3ab^3)^4 = (-3)^4 * a^4 * (b^3)^4 = 81*a^4*b^12

Katena32 [7]3 years ago

5 0

Answer:

81a^4b^12

Step-by-step explanation:

(-3)^4 = 3^4 = 81;

(a)^4 = a^4; and

(b^3)^4 = b^12.

Putting all this together, we obtain 81a^4b^12.

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Jed has 25 toy cars. Kai has 32 toy cars. Ken has fewer cars than either jed or kai. How many cars might Ken have?

Fiesta28 [93]

Answer:

If k is an integer, the number of toy cars Ken might have can be expressed as the interval

0 ≤ k < 25

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3 years ago

What is two times the sum of 6 and some number is 30. What would the number be.?

Dvinal [7]

Answer:

The variable "a number" stands for 9.

Step-by-step explanation:

Rewrite the problem as 2 * (6 + x) = 30

Divide 30 into 2. 30/2 = 15

That means that the variable that is added to 6 must make the number 15.

15 - 6 = 9

The variable x is 9 so the equation would be:

2 * (6 + 9) = 30

8 0

4 years ago

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Can someone plz help me with this!!!

tino4ka555 [31]

Answer:

Step-by-step explanation:

The pattern is adding going up by 2s.

It goes like this:

+0, +2, +4, +6, +8, +10

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Hope it helps!

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3 years ago

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johnny bought 6 2/3 pints of juice for a party. If each guest will drink 1/2 pint of juice, what is the greatest number of guest

tia_tia [17]

Answer:

13 guests

Step-by-step explanation:

$6 \frac{2}{3} \div \frac{1}{2} = 13.33$

so the greastest number of guest he car serve are 13 guests.

4 0

2 years ago

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In 3/4 of an hour ryan codes 3/5 of his game at this rate how much of the game can he code in 1 hour

Svetradugi [14.3K]

Answer:

Ryan in 1 hour can code 4/5 of his game

Step-by-step explanation:

we know that

In 3/4 of an hour Ryan codes 3/5 of his game

using proportion

Find out how much of the game can he code in 1 hour

Let

x ----> fraction of the game that Ryan can code in 1 hour

$\frac{(3/4)}{(3/5)}\frac{hours}{code} =\frac{1}{x}\frac{hour}{code} \\\\x=(3/5)/(3/4)\\\\x=\frac{12}{15}\ code$

Simplify

$x=\frac{4}{5}\ code$

therefore

Ryan in 1 hour can code 4/5 of his game

5 0

3 years ago