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
Colt1911 [192]
3 years ago
10

What is the solution to the system of equations? Use the substitution method.

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
5 0
Y -3x = 7  from this result y = 7 +3x what value of y we need substituting in place of y inside second equation and will get 
21 +9x = 3y 

21 +9x = 3(7 +3x)
21 +9x = 21 +9x
        0 = 0

so this mean that there are an infinite number solutions so choice B. is right 
You might be interested in
Can anyone help this is a hard question.
dolphi86 [110]
The answer is c.......
3 0
3 years ago
Read 2 more answers
How would you simplify 8t+3-t
Elenna [48]

Answer:

t= .43

Step-by-step explanation:

8t + 3 -t

8t - t = 7t

7t + 3

7t/7 = t

3/7 = .43

t= .43

5 0
3 years ago
Compute the sales tax on the following transactions. An article retails for $37.50. The city sales tax is 6%, and the federal ex
ratelena [41]
First you must find the rate of both taxes. Since its 8% and 6%, you must add them both together, then divide them by 100. 

14/100 = .14

Then for both rates you must add 1 because it is a tax increase.

1 + .14 = 1.14

Finally times 37.50 with 1.14

37.50(1.14) = <span>42.75
</span>
<span>$42.75 is the answer.</span>

 
7 0
3 years ago
Read 2 more answers
Which statements are true about the area of the
cupoosta [38]

Answer:

A=bh..I don't get for those numbers

7 0
3 years ago
Can someone please help me
BigorU [14]
So J is jelly beans and T is trail mix :)
so J= $3.50
T= $1.50

7 0
3 years ago
Other questions:
  • The foot of a ladder is placed 6 feet from a wall if the top of the ladder rests 8 feet up on the wall how long is the ladder?
    15·2 answers
  • Jeremy baked 9 cakes for the bake sale. he sifted 2 cups of powdered sugar on top of the cakes. how much powdered sugar is on ea
    8·2 answers
  • The table shows the results of a biologist who captures and tags lake trout, and then sets them free. What is the trout populati
    10·1 answer
  • On a number line, what is the distance between -16 and 76?
    10·1 answer
  • answer create a function modeling the described behavior. Then, calculate the desired result using a calculator. A certain lake
    5·1 answer
  • What is the inverse of g(n) = -5n - 5<br>​
    14·2 answers
  • X^2+4x+2 x 2^2+3x-4 Multiply
    15·2 answers
  • What is the explicit formula for this sequence ? -7,-4,-1,2,5,...
    8·2 answers
  • Consider the two points B(-2, -3) and C(4,2).
    15·1 answer
  • In the expression 2x + x to the power of 2 + 3y, what are the coefficients?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!