Solve the system of equations by using the elimination method.2x – 7y = 3
5x – 4y= -6
pls help me

Answers

Answer 1

Answer:

Answer:

Hi! The correct answer is (-2,-1)!

Step-by-step explanation:

~Add the equations in order to solve for the first variable, Plug this value into the other equations in order to solve for the remaining variables~

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What is the perimeter of 5 5/8 and 6 1/4

Answers

2(5 5/8) + 2(6 1/4) = 11.25 + 12.5 = 23.75

in sound and harmonics, the frequency of a vibrating string varies inversely to its length. A guitar string 20 inches long vibrates at a frequency of 400 cycles per second. Find the frequency of a 35- inch string.

Answers

20 inches is 400
10 inches is 200
5 iches is 100

So 20+10+5=35
Which means 400+200+100= 700

So the frequency of a 35 inch string is 700 cycles per second

Write a subtraction problem involving regrouping that has ted reading 304 pages. Answer your question

Answers

how many pages had Ted read if the book has 502 pages, and he has 198 left to finish?

you can use the expression 5n to determine the amount of money you have in cents, when you have n nickels. Find the amount of money you have, in cents, when you have 18 nickels

Answers

Answer:

90 cents

Step-by-step explanation:

Find how much money you have by plugging in 18 as n into the expression:

5(18)

Multiply:

= 90

So, when you have 18 nickels, you have 90 cents

Which compound inequality is graphed?

Answers

The answer is D hope this helps!!

A kids’ movie ticket costs $5.25.Type your answers in the boxes below.

a. One day, 200 kids’ tickets were purchased. What was the total cost of those tickets?

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