3 years ago

-3x - 4y = 2

Mathematics

1 answer:

Sati [7]3 years ago

3 0

y = -5/4, x = 9/4

working:

isolate y for -3 - 4y = 2 : y = -5/4

Substitute y = - 5/4

[x - 5/4 = 1]

isolate x for x - 5/4 = 1 : x = 9/4

FINALLY ANSWER:

y = -5/4, x = 9/4

You might be interested in

HELP! HELP!

alexgriva [62]

Answer:

The answer should be C. By combining like terms you can find the answer. 1.75a+2.75a = 4.5a

2.25b + 1.75b = 4b

2.25c + 1.25c = 3.5c

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

What is the range of this function?

aleksley [76]

You order the y-values from greatest to least, which are 2, 2, 3, and 4. You don't need to duplicate the same y-values, so the range is {2, 3, 4}

7 0

3 years ago

This is my last question and I need help with it

Ann [662]

I believe the answer is b

5 0

3 years ago

What's the expression for the sum of two and the quotation of a number x and five ??

7nadin3 [17]

X + x = 2
1 × 5 = 5
So it would be blank plus blank gives you x=2
Then blank times blank gives you x=5

3 0

3 years ago

Becky spent 3/4 of an hour practicing the piano.She spent 1/2 of that time practicing her recital piece. What fractional part of

Ber [7]

Answer:

3/8

Step-by-step explanation:

First,

convert 3/4 of an hour to minutes;

If 1 hr = 60 mins

then 3/4 of 1hr = $\frac{3}{4} *60\\ \\ =45 mins.Next, If 1/2 of 3/4 was spent practicing recital piece, it means that it is half of 45 mins;1/2 *45 = 22.5 minsLastly, convert the 22.5 mins into a fraction of an hour;22.5/60 = [tex]\frac{3}{8}$

3 0

3 years ago