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3 years ago

−3x−9y=18 4x+3y=12 x= y=

Mathematics

2 answers:

TEA [102]3 years ago

6 0

Answer: x=6 , y=-4

So i just did it on the paper. Ask if you need further help

Ann [662]3 years ago

4 0

Answer:

x=6

y=-4

hope its helpful

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How to solve this question. I need to show my work for this question.

IrinaK [193]

Step-by-step explanation:

Recall that 1 dozen = 12 so 4 dozen cookies has a total of 48 cookies. We are going to use the following ratios to solve the problem:

$\left(\dfrac{3\:\text{eggs}}{48\:\text{cookies}}\right)$ and $\left(\dfrac{48\:\text{cookies}}{3\:\text{eggs}}\right)$

a) $12\:\text{eggs}×\left(\dfrac{48\:\text{cookies}}{3\:\text{eggs}}\right) = 192\:\text{cookies}$

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$216\:\text{cookies}×\left(\dfrac{3\:\text{eggs}}{48\:\text{cookies}}\right) = 13.5\:\text{eggs}$

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2 years ago

A card is drawn from a well-shuffled deck of 52. Find p(drawing a face or a 4)

Musya8 [376]

Answer:

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3 years ago

PLEASE HELP!!! Given the functions, f(x) = 6x + 2 and g(x) = x - 7, perform the indicated operation. When applicable, state the

Brums [2.3K]

Answer:

The domain restriction for (f/g)(x) is x=7

Step-by-step explanation:

we have

$f(x)=6x+2$

$g(x)=x-7$

$(f/g)(x)=\frac{6x+2}{x-7}$

Remember that

the denominator can not be equal to zero

Find the domain restriction

x-7=0

x=7

therefore

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(-∞,7)∪(7,∞)

4 0

3 years ago

Read 2 more answers

Y = -5x + 15 2x + y = 12

Nana76 [90]

Answer:

x = 1, y = 10

Step-by-step explanation:

y = -5x + 15 --- Equation 1

2x + y = 12 --- Equation 2

Substitute y = -5x + 15 into Equation 2:

2x + y = 12

2x - 5x + 15 = 12

Evaluate like terms.

15 - 3x = 12

Isolate -3x.

-3x = 12 - 15

Evaluate like terms.

-3x = -3

Find x.

x = -3 ÷ -3

x = 1

Substitute x = 1 into Equation 2:

2x + y = 12

2(1) + y = 12

2 + y = 12

Isolate y.

y = 12 - 2

y = 10

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3 years ago

Read 2 more answers

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LekaFEV [45]

Answer:

Step-by-step explanation:

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3 years ago

−3x−9y=18 4x+3y=12 ​ x= y=

−3x−9y=18 4x+3y=12 x= y=