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Lemur [1.5K]
3 years ago
6

What is the solution of the system? Use substitution.

Mathematics
2 answers:
nekit [7.7K]3 years ago
8 0
Substituting y=6x+2 into equation 3y - 18x =12 looks like:

3(6x + 2) - 18x = 12
18x + 6 - 18x = 12  distributive property left side
6 = 12  simplifying the left side

We now see a contradiction:   6 does not equal 12  What this tells us is that there is no solutions to this equation.  So choice 'C' ...
drek231 [11]3 years ago
7 0
I believe there is no solution cause i tried to do the math and the answers didnt match eachother .... like how 3y-18x=12 is y=6x+4 not y=6x+2
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A recipe for bran muffins calls for 2 1/2 cups of bran flakes. The recipe yields 9 muffins. How much bran flakes should be used
kolbaska11 [484]

10/3 bran flakes can make a dozen muffins

A recipe requires 2 1/2 cups of bran flakes

The recipe can make 9 muffins

Let's calculate the amount of bran flakes it will take to make 1 muffin

5/2 = 9

x= 1

cross multiply

9x= 5/2

x= 5/18

A dozen is 12, the number of bran flakes to make a dozen can be calculated as follows

5/18= 1

y= 12

cross multiply

y= 5/18 × 12

y= 10/3

Hence it will take 10/3 to make a dozen muffins

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4 0
1 year ago
a coin collector has 36 dimes and nickels with a total face value of $2.80. they are actually worth a lot more. how many of each
Juliette [100K]

Answer:

16 nickels and 20 dimes

Step-by-step explanation:

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280 cents = $2.80

8 0
3 years ago
At midnight, the temperature was -8° F. At noon, the temperature was 23° F. Which expression represents the increase in temperat
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Answer:

C

Step-by-step explanation:

Increase is difference between ending and begining value so 23-(-8) =23+8.

In this case its absolute value because it has to be positive

6 0
3 years ago
Which number makes the statement true <br> 12:30 = x:50 <br> A) 30<br> B) 32<br> C) 35<br> D) 41
lora16 [44]

Answer:

i think options are incorrect

x is 20 here

you can verify by putting value

6 0
3 years ago
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nikdorinn [45]

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