1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sergejj [24]
3 years ago
7

Solve the System of Equations:-10x-3y=-18

Mathematics
1 answer:
AlladinOne [14]3 years ago
7 0

-10x - 3y = -18 (1)

-7x - 8y = 11 (2)

Multiply equation (1) by 8 and equation (2) by -3

-80x - 24y = -144 (1)

21x + 24y = -33 (2)

-------------------------------Add

-59x = -177

x = 3

Plug in x = 3 into -10x-3y=-18

-10(3) -3y =-18

-30 - 3y = -18

3y = -12

y = -4

Answer

(3, - 4)

You might be interested in
The distance on the number line from -10 to -2 equals 5x – 12. What is the value of x?
Troyanec [42]

It would be: - 2 - (-10) = 5x - 12

= -2 + 10 = 5x - 12

= 8 + 12 = 5x

= x = 20 / 5

= x = 4

4 0
3 years ago
Area is 96 length is 4x+8 width is x find x
dimulka [17.4K]

Answer

Step-by-step explanation:

The area would be length times width. x(4x+8) =96

4x^2+8x = 96

4x^2+8x-96=0. We need to factor.

It would be factored to (4x-16)(x+6) = 0

x would be -6 (x+6=0)

or x would be 4 (4x-16=0)

Why would the width be negative?!? So the answer is 4

4 0
3 years ago
How many sections are there when you fold a paper 8 times
VikaD [51]
32 if you fold it 4 times and times that by 2 it will be 32

5 0
4 years ago
Read 2 more answers
Line l has a slope of the line through which of the following pair of points is perpendicular to l?
Olenka [21]

Answer:

Step-by-step explanation:

I think its A

4 0
3 years ago
What is the surface area of this rectangular prism?
dybincka [34]

Answer:

256 ft²

Step-by-step explanation:

4 lateral faces + 2 bases

The total area

=2 \times (12 \times 4) + 2 \times (12 \times 5) + 2 \times (5 \times 4)

= 96 + 120 + 40

= 256

3 0
3 years ago
Other questions:
  • Richard works at an icecream shop, regular cones get two scoops of icecream; large gets three scoops of icecream. Richard scoops
    14·2 answers
  • PLease help!!!
    12·1 answer
  • Help on number 1 ? :)
    10·2 answers
  • Question 3(Multiple Choice Worth 5 points)
    8·1 answer
  • 14=−2c−6−3c what is the value of c?
    8·1 answer
  • When two pipes fill a pool together, they can finish in 5 hours. If one of the pipes fills half the pool then the other takes ov
    10·1 answer
  • <img src="https://tex.z-dn.net/?f=3%20%2B%20%20%5Cfrac%7Bx%20-%203%7D%7B9%20-%20%20%7Bx%7D%5E%7B2%7D%20%7D%20%5Cdiv%203%20-%20%2
    11·1 answer
  • 3x^5 + 2x^2 What is the degree of this polynomial?<br><br>A. 1<br>B. 3<br>C. 5<br>D. 6​
    15·2 answers
  • Graph the image of triangle PQR after a reflection across the line y = 2​
    9·1 answer
  • Form NOON to <br> 1:23 A.M. how much time has passed?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!