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
Lynna [10]
3 years ago
14

Solve the following system of equations using elimination: -x+5y=8 And 3x+7y=-2

Mathematics
1 answer:
djyliett [7]3 years ago
6 0

Answer:

x=-3, y=1. (-3, 1).

Step-by-step explanation:

-x+5y=8

3x+7y=-2

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

3(-x+5y)=3(8)

3x+7y=-2

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

-3x+15y=24

3x+7y=-2

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

22y=22

y=22/22

y=1

-x+5(1)=8

-x+5=8

-x=8-5

-x=3

x=-3

You might be interested in
Mrs. Berry’s class organized the lunch orders for their upcoming party in the table below.Lunch Orders for the Class Party
OLEGan [10]

Given:

Number  of Vegetarian Sandwich = 3

Number of Turkey Sandwich  = 7

Number  of  Pepperoni Pizza  = 8

Number  of  Cheese Pizza  = 10

To find:

The ratio which represents the number of orders for pepperoni pizza to cheese pizza.

Solution:

The ratio of number of orders for pepperoni pizza to cheese pizza is

\text{Ratio}=\dfrac{\text{Number of orders for pepperoni pizza}}{\text{number of orders for cheese pizza}}

\text{Ratio}=\dfrac{8}{10}

\text{Ratio}=\dfrac{4}{5}

Therefore, the required ratio is 4:5 and option A is correct.

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME
Zolol [24]
It is 4/3. the quantity of 4 over 3
X+6/3 - x+2/3= x+6-x-2/3 = 4/3.
8 0
3 years ago
1. Mr. Miller is building a dollhouse
Lina20 [59]

Answer:

1 ft : 2.5 yd or 1 ft : 2 1/2 yd

Step-by-step explanation:

He wants a real dimension of 10 yards to be represented by a scale dimension of 4 ft.

4 ft : 10 yd

Divide both sides by 4.

1 ft : 2.5 yd or 1 ft : 2 1/2 yd

8 0
3 years ago
In a bag there are blue sweets and red sweets. The ratio of blue sweets to red sweets is 5:3 What fraction of the sweets are blu
levacccp [35]

Answer:

5/8

Step-by-step explanation:

SUM OF RATIOS = 5 + 3 = 8

fraction of blue sweet = blue sweet ratio / sum of ratios = 5/8

4 0
3 years ago
WHAT IS 11/6 simplified I CANT DO THIS MATH IT IS TOOOOO HARDDDDD JK IM JUST TO LAZY >:( thanks
erma4kov [3.2K]

Answer:

It can't be simplified.

6 0
3 years ago
Other questions:
  • Which describes the intersection of planes A and B?<br> line CD<br> line ED<br> point C<br> point D
    14·2 answers
  • Classify each number below as a rational number or an irrational number
    8·1 answer
  • What is 3.9 x 10^33 x 1.55 x 10^7
    12·2 answers
  • Cherries cost ​$4​/lb. Grapes cost ​$2.50​/lb. You can spend no more than ​$15 on​ fruit, and you need at least 5 lb in all. Cre
    7·1 answer
  • 5776 students are sitting in an auditorium in such a manner that there are as many as
    10·1 answer
  • What is the solution of the system?<br> 2x+y=8<br> x-3y=4
    11·1 answer
  • write the first two product in the table below. then use the pattern in the product to write the last two product in the table.
    10·1 answer
  • Let f(x)=-5+3 and g(x)=-2x^2+5x-1
    14·1 answer
  • I need help solving for x.
    15·1 answer
  • What is -5(2x + y - 4)
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!