3 years ago

How can you solve for x and y?

1 answer:

galina1969 [7]3 years ago

7 0

ah, those are systems you want one variable to cancel out. I would time the bottom equation by -1 so x cancels then u solve for y. then u plug all back in to solve for x.

You might be interested in

the equatiom for the number of pages he has left to read is y=254-40x, where x is the number of hour he reads

Greeley [361]

X is 65 because 65 is great and should always be the answer

8 0

2 years ago

4. = 38 -8(n-1), n=1, 2, 3...

stepladder [879]

Answer:

$38-8\left(n-1\right),\:n=123:\quad -938$

$\mathrm{For}\:38-8\left(n-1\right)\:\mathrm{substitute}\:n\space\mathrm{\:with\:}\space123$

$38-8(123-1)= -938$

$-938$

Step-by-step explanation:

5 0

2 years ago

Find the product.<br> a.<br> 5d - 79<br> b. 12 ab. 3cd

Solnce55 [7]

Answer:

35dg & 36abcd

Step-by-step explanation:

Multiply 7 times 5 then add the remaining terms for equation 1. For equation 2 multiply 12 by 3 for 36.

6 0

3 years ago

What is the graph of f(x) = (x+3)(x-2)?

valina [46]

Answer:

yoo

Step-by-step explanation:

8 0

3 years ago

To complete an English exam, you must write 3 essays from a list of 7 prompts. In how many ways can you complete the exam?

Mashutka [201]

Answer:

35 ways

Step-by-step explanation:

7 nCr 3 = 7!/(3!(7-3)!) = 7!/(3!*4!) = 35

8 0

3 years ago