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
Rzqust [24]
3 years ago
9

Solve by elimination: (x + 7y = 12) (3x - 5y = 10) *

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer:

Step-by-step explanation:

You might be interested in
The points (2, r) and (5, -9) lie on a line with slope – 2. Find the missing coordinate r.
Veseljchak [2.6K]

Answer:

-3

Step-by-step explanation:

5-2 is three

3 times -2 is -6

-9-(-6) is -3

(2,-3)

3 0
3 years ago
For the equation --4y = 8x, what is the constant of variation?
larisa86 [58]

Answer: 1) B is correct, constant of variation is -2.

Step-by-step explanation:

1)

Direct variation states that a relationship between the two variables. we say y varies directly as x

i.e,  or y =kx.................[1] ;  where k is the constant of variation.

Given the equation:

Divide both sides by -4 we get;

Simplify:

            .......[2]

On comparing equation [2] with [1] we get;

k = -2

6 0
3 years ago
A recipe calls for gallon of punch, 3 pints of club soda, and 2 cups of ice cream.
SVEN [57.7K]

Answer:

answer is b

Step-by-step explanation:

4 0
3 years ago
The hypotenuse and one of the legs of a right triangle form an angle that has a cosine of 2 √2 .
Tems11 [23]
Quick answer I don't think this has an answer.

If you take the cos-1(2 sqrt(2)) your calculator should have a fit. Let's check that out. Mine certainly does. So there is something wrong with the question. If there is something to add in please do it and I will it least put an answer in the comments. As it stands, nothing will work. 

If you put your calculator in radians, you will get an answer but it will not be anything resembling the choices you've listed.

If you meant sqrt(2) / 2 that would give 45o. Put it in your calculator like this 2 ^ 0.5 divided by 2 = 0.707
Cos - 1 (0.707) = 45



7 0
3 years ago
Read 2 more answers
Write an equation of the line in slope-intercept from (answer fast pls ) <br><br> Y=
dimulka [17.4K]
The equation is y=1/3x+2
6 0
2 years ago
Other questions:
  • What is the reduced fraction 14/56???
    8·1 answer
  • How does the graph of y=1/2(x+4)^2compare to the graph of y=(x-1)^2 -3?
    10·1 answer
  • The radius of a circle is 4 feet. What is the area of a sector bounded by a 72° arc?
    15·1 answer
  • Order each set of numbers from least to greatest.
    13·1 answer
  • What is the volume of a rectangular prism with the dimensions: base 2 3 /8 cm, height 1 1/3 cm, and length 3 3 /4 cm?
    5·2 answers
  • please help me i don’t know how to do this. if you do know, please explain how you did it bc i have so many more of these to do,
    7·1 answer
  • Who knows the answer ?
    10·1 answer
  • PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( ! <br> ILL GIVE 40 POINTS .
    6·2 answers
  • jane and her friends meet for pizza once a week. they always leave the waiter a tip that is a percent of the total bill. this we
    9·1 answer
  • Part A: describe how you can decompose this shape into triangles. (2 points) Part B: what would be the area of each triangle? (5
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!