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
chubhunter [2.5K]
3 years ago
13

4y=x 3x-y=70 how to solve this problem using substitution

Mathematics
1 answer:
diamong [38]3 years ago
3 0
4y=x
3(4y)-y=7012y-y=70
11y=70
y=70/11
4(70/11)=x
280/11=x
You might be interested in
Roberta Arthur had the following reciepts for the week of April 12th: 50$ gift; 25$ rebate; April 13th, 2.45$ refund on aluminum
oksian1 [2.3K]

Answer:

$329.44

Step-by-step explanation:

 $50-25= 25

 25.00-2.45=22.55

 299.89+22.55=322.44

322.44+7.00= 329.44

I didnt see april 15 if its supposed to be added i there just add 299.89 to the total.

7 0
3 years ago
Can anyone heelp me plzzzz
Elden [556K]

Answer:

1

Step-by-step explanation:

1 because we need to round down

5 0
3 years ago
Help please with this question?
xxMikexx [17]
G(x+1)= \sqrt{(x+1)^2+4} \\ G(x+1)= \sqrt{x^2+2x+1+4} \\  G(x+1)= \sqrt{x^2+2x+5}
7 0
3 years ago
1/4 of a number decreased by three is at least two
posledela

Answer:

¹/₄x - 3 ≥ 2

+ 3 + 3

4(¹/₄x) ≥ 4(5)

x ≥ 20

Step-by-step explanation:

5 0
3 years ago
Find the value of the variable in each expression
bogdanovich [222]

Answer:

they're all 0

Step-by-step explanation:

N/A

6 0
2 years ago
Other questions:
  • Simplify.<br><br> x + (7 + 14 x )
    13·2 answers
  • What is 1/4 of 24 solve using a tape diagram
    15·1 answer
  • Which word in the sentence does the underlined phrase modify?
    6·1 answer
  • Please help me if you can
    7·1 answer
  • Verify the identity. tan x plus pi divided by two = -cot x
    13·1 answer
  • Fetermine the slope and the y intervept. Then use the slop and the y intercept to graph the equation by hand.
    7·1 answer
  • What is 5c - 6 = 4 -3c, im blanking on what im supposed to do
    12·2 answers
  • Which graph represents the function on the interval [-3,3] <br> F(x)=[x]-2
    5·1 answer
  • What two numbers multiply to -320 and add to 32
    5·1 answer
  • How many ways are there to select five unordered elements from a set with three elements when repetition is allowed?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!