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
Alenkinab [10]
2 years ago
6

Solve each system by elimination 7x + 8y = -29 -3x -8y = 17

Mathematics
1 answer:
alexgriva [62]2 years ago
3 0
4x=-12
x= -3
Now that we know the value of x we plug that value into the first equation to solve for y
7(-3) +8y=-29
-21+8y= -29
8y=-8
y= -1
You might be interested in
Reza is ordering pizza and chicken fingers for a birthday party. Each pizza costs $15 and each dozen of chicken fingers costs $1
Arlecino [84]

Answer:

x+y\geq5

Step-by-step explanation:

Pizza: $15

Chicken Fingers (Dozen): $10

5x= $75

The answer should be 15x + 10y ≤  120

Since the pizza is x and chicken fingers is y then this should be the answer.

(I think)

3 0
3 years ago
Read 2 more answers
The population of the United States was about 280 million in 2000 and about 310 million in 2010. What was the annual rate of cha
JulsSmile [24]

To find the annual rate of chnge, we have to use the following formula

\frac{P(2010)-P(2000)}{2010-2000}

P(2010) represents the population in the year 2010 and P(2000) represents the population in the year 2000 .

Substituting the values, we will get

\frac{310-280}{2010-2000} = \frac{30}{10} = 3 \ million \ per \ year

8 0
3 years ago
Explain 42+28 by making tens
djverab [1.8K]

Answer:70

Step-by-step explanation:

1

42

+

28

———

70

5 0
2 years ago
4km in9hr, then 24 km in
Morgarella [4.7K]
If you ran 4km in 9 hours.
Then you'll run 24 km's in.

4km per 9 hours
8km per 18 hours.
12km per 26 hours.
16km per 34 hours.
20km per 40.
24km per 46.
5 0
3 years ago
Read 2 more answers
HELP ME I NEED HELP!!!!
eduard

Answer:

D

Step-by-step explanation:

Since they are the same variables

7 0
3 years ago
Other questions:
  • The __________ of a circle is the part of a circle bounded by two radii and an arc. circumference interior angle sector
    15·2 answers
  • Calculate the amount and compound interest on Rs 5000 compounded annually or 2 years 6 months at the rate of 10% per annum.
    14·1 answer
  • Gretchen is baking a pie. she needs 3/4 of sugar. she notices that her measuring devices are only marked in ounces, not cups. ho
    8·1 answer
  • 2,023 nearest hundred
    10·2 answers
  • On a certain day, Tim invested $1,000 at 10 percent annual interest, compounded annually, and Lana invested 2,000 at 5 percent a
    15·1 answer
  • What is the absolute value of [-2/3]
    7·1 answer
  • A plane intersects exactly three faces of a cube.
    14·2 answers
  • Helpp <br> Based on the histogram above, which of the following statements must be true
    10·1 answer
  • Solve both: 2x + y = 2 and y = 4x - 13
    6·2 answers
  • Should Santa put Santa's hands in water that's 80° Celsius? What is the Fahrenheit equivalent?​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!