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andrew-mc [135]
3 years ago
11

X-4y=-12 and 5x=20y+60 How do you solve this

Mathematics
2 answers:
Savatey [412]3 years ago
6 0
Here is the answers.

Nookie1986 [14]3 years ago
6 0

Answer:

You must turn the variables, or the "x" into a number to make the numbers on the left equal the numbers on the right.

Step-by-step explanation:

In order to solve these problems, you must replace the variable with a number to have the equation on the left equal what is on the right.

Equation 1:

x - 4y = -12 <----- This is the original problem.

-8 - 4y = -12 <----- Replace the variable.

-12y = -12 <----- This is a true statement.

Equation 2:

  5x=20y+60 <----- This is the original problem.

5(16) =20y+60 <----- Replace the variable/Do the addition.

80 = 80y <------ This is a true statement.

Hope this helps! :D

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PLEASE HELP ASAP!!! THANK YOU! please!
andrew-mc [135]

Answer: 5. x=33, y= 33, z=114

Step-by-step explanation: the triangles and supplementary lines all add to 180, so find one of them, and use that one to find the others

5 0
2 years ago
Read 2 more answers
1,034 / 95 as a mixed number
tia_tia [17]

Answer:

10 and 84/95

Step-by-step explanation:

First, you divide 1034 by 95 to see how many times it fits in there. Then, after it comes out to a ten with a lot of decimal points, you multiply 95 times 10, and then subtract the product from 1034 to see what the leftover fraction is. 95×10=950. 1034-950=84. Then, you look at 84/95 and see if it can be simplified-which it can't, so your final answer is 10  84/95.

(hope this helps, sry if its badly written)

7 0
3 years ago
I need help pleaseeeee Prove that: 12^13–12^12+12^11 is divisible by 7 and 19. BTW in format ______*7*19 :D
iragen [17]

Each term has a common divisor of 12^{11}:

12^{13}-12^{12}+12^{11}=12^{11}(12^2-12+1)=12^{11}\cdot133

133 = 7*19, so the number in the blanks is 12^{11}.

3 0
3 years ago
11 less than the product of a number and -4
denpristay [2]

Answer:

-4n - 11

Step-by-step explanation:

Step 1:  Convert words into an expression

11 less than the product of a number and -4

(n * -4) - 11

<em>-4n - 11</em>

<em />

Answer:  -4n - 11

<u>If needed solve</u>

-4n - 11 + 11 = 0 + 11

-4n / -4 = 11 / -4

<em>n = -2.75</em>

7 0
3 years ago
In the diagram find the area of DEF
Agata [3.3K]

Answer:

Im sorry Im not sure

Step-by-step explanation:

4 0
3 years ago
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