3 years ago

4x+y=20 y=2x+2 solve using substitution

Mathematics

2 answers:

frez [133]3 years ago

6 0

Answer:

y 2k is like dat kd is emoni bates curry plays football

Crazy boy [7]3 years ago

3 0

Answer:

x=3, y=8. (3, 8).

Step-by-step explanation:

4x+y=20

y=2x+2

----------------

4x+2x+2=20

6x+2=20

6x=20-2

6x=18

x=18/6

x=3

---------------

y=2(3)+2=6+2=8

You might be interested in

Calculate 6 P 6 note n p r equals n Over N - r

Murrr4er [49]

Answer:

Step-by-step explanation:

n! Might be 7, and n might be 6. r might also be 6. So 6 - 6= 0! = 1

So I think it might be 7 ÷ 1, which is 7.

7 0

3 years ago

Last month Jim drove his car 2,718.3 miles. That brought the car’s total mileage to 87,416. What was the car’s mileage before la

stich3 [128]

To solve this problem you must apply the proccedure shown below:

1. You have that Jim drove the car 2,718.3 miles for a total mileage of 87,416.

2. Then, to calculate the mileage before last month, you only need to substract the total mileage given in the exercise above and the mileage drove last month, as following:

$87,416miles-2,718.3miles=84,697.7miles$

Therefore, the answer is: 84,697.7 miles.

3 0

4 years ago

Given a real number x and a positive integer k, determine the number of multiplications used to find x2k starting with x and suc

Alex

Answer: It is a more efficient way to find x2k than by multiplying x by itself the appropriate number of times.

Step-by-step explanation: Please find the attached file for the solution

8 0

3 years ago

Jaxon invested $4,500 in an account paying an interest rate of 4.6% compounded annually. Assuming no deposits or withdrawals are

exis [7]

Answer: 17

Step-by-step explanation

3 0

3 years ago

Which expression is equivalent to 8x-2x+x+x a. 4x b. 8x c. 6x-2x d. 10x-2y

Deffense [45]

B - 8x

To find this, combine like terms.

8x - 2x is 6x, then add the two x's on the side to bring it back to 8x.

Hope this helps!

4 0

3 years ago

Read 2 more answers