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jek_recluse [69]
3 years ago
14

Mrs.smith has 12 times as many markers as colored pencils.the total number of markers and colored pencils is 78.how many markers

does mrs.smith have?
Mathematics
1 answer:
cupoosta [38]3 years ago
6 0
Divide 78 and 12. You get 6
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12.) Write y = 1/6 x + 7 in standard form using integers.
Trava [24]

Option A

-x + 6y = 42 is the standard form

<u>Solution:</u>

Given that we have to write y = \frac{1}{6}x+7 in standard form

The standard form of an equation is Ax + By = C

In this kind of equation, x and y are variables and A, B, and C are integers

Given equation is:

y = \frac{1}{6}x+7

Let us convert the above equation into standard form

y = \frac{x}{6} + 7

y = \frac{x}{6} + \frac{7}{1}

Make the denominator same in R.H.S

y = \frac{x}{6} + \frac{7 \times 6}{1 \times 7}

Solve the above equation

y = \frac{x}{6} + \frac{42}{6}

y = \frac{x+42}{6}

Move 6 from R.H.S to L.H.S

6y = x + 42

Bring all the terms to one side, leaving only constant on R.H.S

-x + 6y = 42

The above equation is of form Ax + By = C

Thus option A is correct

3 0
3 years ago
Please help ASAP!<br> 3(T + 4) - 2(2T + 3) = -4 <br> Thank You!
kakasveta [241]
The answer would be t=10
5 0
3 years ago
Kerri ran the same distance in four different races. Her times were 18.04 seconds, 21.39 seconds, 12.99 seconds, and 14.14 secon
Delvig [45]
16.64 average of the four races that kerri ran in seconds.
8 0
3 years ago
Read 2 more answers
Riley and Francesca both commute to work. Riley's commute on the train
makvit [3.9K]
36=-x+12
36-12=24



X=24
6 0
3 years ago
What is the solution to the following system of equations?
liraira [26]

Answer:

x = 6 ,  y = -2

Step-by-step explanation:

2 x + 3 y = 6  (Equation 1)

x + y = 4        (Equation 2)

<u>Solving by substitution</u> :

(Equation 2) ⇒ y = 4 - x

<u>Substitute y by 4 - x in (equation 1)</u> :

2 x + 3 (4 - x) = 6

Then

2 x + 12 - 3x = 6

Then

12 - x = 6

Then

12 - 6 = x

Then

x = 6

<u>We obtain</u> :

y = 4 - x and x = 6

Then

y = 4 - 6

  = -2

6 0
2 years ago
Read 2 more answers
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