The sum of x and y numbers is 38. One number,x, is 22 less than y. What is the product of x and y.

Answers

Answer 1

Answer:

Answer:

x = 8

y = 30

Step-by-step explanation:

This is a simple systems of equations problem. You'd want to write 2 equations for the 2 pieces of information they gave you.

x + y = 38

y - 22 = x

There are multiple ways to solve it, but since they give you what x equals, I would substitute in into the other equation.

(y - 22) + y = 38

2y - 22 = 38

2y = 60

y = 30

You can take y = 30 and plug it into an original equation for the value of x.

x + 30 = 38

x = 8

I hope this helped!

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Algebra 2 questions

Answers

Answer:

x=-15

Step-by-step explanation:

2/3+1/x=2/5-3/x

1/x+3/x=2/5-2/3

4/x=-4/15

x=-15

List five numbers that hav 3,5,and 7 as prime factors

Answers

15 has prime factors of 5,3
21 has prime factors of 7,3
35 has prime factors of 7,5
105 has prime factors of 7,5,3
315 has prime factors of 7,5,3,3
hope this helps

Laura and Brent paddled a canoe 6 miles upstream in four hours. The return trip took three hours. Find the rate at which Laura and Brent paddled the canoe is still water.

Answers

Call the rate in still water vs;
upstream you have: vs-v=6/4
downstram you have: vs+v=6/3
where v is the rate with which the river flows.
rearranging:
vs-v=3/2
vs+v=2
from the second you have v=2-vs substitute into the first:
vs-2+vs=3/2
2vs=7/2
vs=7 mi/hr

A triangle has side lengths of 10 inches, 24 inches, and 26 inches. is this a right triangle?

Answers

To check it we can use Pythagorean theorem.
$a^2+b^2=c^2$ , where c is the longest side.
Lets check it
Assume that a=10 and b= 24
$10^2+24^2=100+576=676$
Now lets compare with c^2=676
Its equal, so its right triangle.

A roll of tape contains 32.9 meters of tape. How many millimeters of tape does the roll contain?

Answers

1 meter = 1,000 millimeters
2 meters = 2,000 millimeters
3 meter = 3,000 millimeters
.
.
10 meters = 10,000 millimeters
20 meters = 20,000 millimeters
30 meters = 30,000 millimeters
31 meters = 31,000 millimeters
32 meters = 32,000 millimeters
32.9 meters = 32,900 millimeters.

Blockbuster is a store that used to rent videotapes to customers. They charged a $20 membership fee to open a new account. Then, they charged $3 per movie. Your parents had a goft card for $50. How many movies, m could they afford??? What’s the equation plzzz I will give you 100 points

Answers

m=number of movies
the equation would be
20+3m=50
-20. -20
3m=30
3m÷3=30÷3
m=10
so you could rent 10 movies

Hello There,

The answer is:

10 movies

Hope this helps have a great day :)

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