Simply a3 • a4
And (2a) (5ab)

Answers

Answer 1
Answer:

Answer:

a^3 (a^4) = a^7

(2a)(5ab) = 10a^2b

Step-by-step explanation:


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If x and y are integers, and 3x + 2y = 13, which of the following could be the value of y ?A. 0
B. 1
C. 2
D. 3
E. 4

Answers

They are all integers so...
first lets substitute
A.3x=13
X=13/3
b.3x+2=13
3x=11
x=11/3
c.3x+4=13
3x=9
x=3
d.3x+6=13
3x=7
x=7/3

E.3x+8=13
3x=5
x=5/3

therefore the possible is letter c because it must be an integer and the definition of integer states that it is not a decimal nor a fraction

C. 2
Because
3x+2(2)=13
3x+4=13
3x=9
x=3

None of the other solutions work out so that both x and y are integers.

Jaycie has a VIP membership to a movie theater, so she pays 27 dollars a year and 6.00 for each movie she sees. Claire doesn't have a membership, so she pays 8.25 for each movie she sees. How many movies would they have to see in a year in order to pay the same amount?

Answers

Answer:

12 movies

Step-by-step explanation:

Let the number of movies they see be represented by x

Jaycie has a VIP membership to a movie theater, so she pays 27 dollars a year and 6.00 for each movie she sees.

$27 + $6 × x

= 27 + 6x

Claire doesn't have a membership, so she pays 8.25 for each movie she sees.

= $8.25 × x

= 8.25x

How many movies would they have to see in a year in order to pay the same amount?

Jaycie = Claire

27 + 6x = 8.25x

27 = 8.25x - 6x

27 = 2.25x

x = 27/2.25

x = 12 movies

Therefore, they have to see 12 movies in a year in order to pay the same amount.

Of the 250 sheep in the flock, 34% are gray. What is the total number of gray sheep in the flock?

Answers

Answer:

85 sheep are grey

Step-by-step explanation:

Alex wants to multiply a number by 12. First, she multiplies the number by 6. What number does she now need to multiply her answer by?

Answers

She need to multiply by 2 next.

What is Number System?

A number system is defined as a system of writing to express numbers. It is the mathematicalnotation for representing numbers of a given set by using digits or other symbols in a consistent manner.

Alex wants to multiply the number with 12.

She multiples by 6 first.

So, we need to focus on that what can be multiply by 6 to get 12 or what will be the quotientdividing12 by 6.

Both of the above will tell us what will be next number.

So,

6*2=12

or, 12/6=2

In both situation we get 2.

Hence, she need to multiply by 2 next.

Learn more about numbersystem here:

brainly.com/question/21751836

#SPJ2

Answer:

Hello! your answer should be 2 :)

Step-by-step explanation:

the simpliest way to look at multipicaton is just complex addition, so, for example, 10x3 is the same as 10+10+10. so for your question, we'll just add 6 to itself until we get to twelve! 6x1=6, 6x2=12, nice and simple, there's your answer! :)

Suppose that you want to model the height of a rider on a Ferris wheel as a function of time. The amplitude of the function you use as a model should be equal to which of the following?A) the area of the Ferris wheel
B) the circumference of the Ferris wheel
C) the diameter of the Ferris wheel
D) the radius of the Ferris wheel

Answers

D
The maximum vertical displacement of the rider from the center will be when he is at the top or bottom of the Ferris wheel. The distance from the center to the top (or bottom) of the Ferris is its radius.

Answer:

the answer is in the picture below :)

Please help I'm desperate...Solve the systems:

a. y=50+3x

y=100-2x


b. x+3y=9

-3x+2y=8


Thanks for helping

(will give brainliest <3)

Answers

the first step that isn’t show here is expressing the system in standard form. I assumed you would already know how to do that so I didn’t include it
As for the second system, I’d be happy to give you a solution for that as well, but I can only post one photo per question so you would have to post it again :)
I recommend you use the app photomath you just have to take a picture of your exercise.