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Dominik [7]
3 years ago
5

In the phone above^

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Substitution method...need help.. started but cant finish
trapecia [35]

Solve either equation for either variable. Since the second one has y on its own, the easiest choice is to solve that for y.

-5x + y = 13   ⇒   y = 5x + 13

Now substitute this into the other equation to eliminate y and rewrite it entirely in terms of x :

-3x + 3y = 3   ⇒   -3x + 3 (5x + 13) = 3

Simplify and solve for x :

-3x + 15x + 39 = 3

12x = -36

x = -3

Substitute this into either original equation to solve for y. Plugging x = -3 into the first equation would give

-3 (-3) + 3y = 3

9 + 3y = 3

3y = -6

y = -2

So the solution to the system of equations is (x, y) = (-3, -2).

8 0
2 years ago
jamie and emily are married and make a total annual gross pay of 91,500. Use the table below to calculate their total and federa
olya-2409 [2.1K]

Their total income tax is $10,980.

<h3><u /></h3><h3><u>Percentages</u></h3>

Given that Jamie and Emily are married and make a total annual gross pay of $91,500, to determine their total income tax at 12% rate, the following calculation must be performed:

  • 91500 x 12/100 = X
  • 91500 x 0.12 = X
  • 10980 = X

Therefore, their total income tax is $10,980.

Learn more about percentages in brainly.com/question/1691136

8 0
2 years ago
Pick three numbers and make a fact family. <br><br> 4, 5 <br><br> 2, 1
Cloud [144]
That’s a very good question but i don’t know the answer however it may be animals
3 0
3 years ago
Find the missing side length of the right triangle 5in 15in
ira [324]

Answer:

15.8183

Step-by-step explanation:

just round it you can do that ;)

7 0
3 years ago
Read 2 more answers
Sandra writes (4x30) + (4x2) and says the quotient for 128 + 4 is 8. is she correct? explain.
Rashid [163]
No, because the equation shows her answer. 30 and 2 combined equals 32, which is the answer. 32x4=128 and 128/4=32
6 0
3 years ago
Read 2 more answers
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