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Elenna [48]
3 years ago
15

How am I supposed to set up a problem like this: y= x-8 y= 3x

Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

x = - 4

y = - 12

Step-by-step explanation:

x - 8 = 3x

- 8 = 3x - x

2x = - 8

x = - 4

y = 3x = 3(-4) = - 12

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Kim bakes 1/4 of the cookies that are sold at a local bake sale. 1/3 of her cookies are chocolate chip. 1/4 of Kim's chocolate c
inysia [295]

Answer:

1/48

Step-by-step explanation:

1/4 of the cookies were Kim's

1/3 of that ( 1/3 x 1/4) were chocolate chips  which is 1/12 of the total

1/4 of that ( 1/12 x 1/4) had nuts . which is 1/48 of the total

The fraction is 1/48

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

5 0
3 years ago
Christina is saving for a new tablet it cost $70 including tax she has already saved $35 how much more does she need to save
igomit [66]

Answer:

She needs to save $35.

Step-by-step explanation:

To find out how much more she needs, you take $70 and minus $35

70-35=35

Hope this helps!

8 0
4 years ago
What names apply to 50
sammy [17]
Do u mean like other names for it
5 0
3 years ago
A line passes through the points
masha68 [24]

Answer:

y=-2x+7

enter the point into point slope form to find the slope and then use one of the points in point slope form  and rearrange it to have y by itself

4 0
3 years ago
Fourteen less children’s meals were served than adult meals at a barbecue. Children plate were 1.50 each and adult plates were 2
Annette [7]

Answer:

134 children and 120 adult plates were served

Step-by-step explanation:

let the children mean be x

Let the adult meal be y

If fourteen less children’s meals were served than adult meals at a barbecue, then;

y = x - 14 .... 1

IF Children plate were 1.50 each and adult plates were 2.00 each with a total of 441 in amount then;

1.5x + 2y = 441 .... 2

Substitute 1 into 2;

1.5x + 2(x-14) = 441

1.5x+2x-28 = 441

3.5x = 441+28

3.5x = 469

x = 469/3.5

x = 134

Recall that y = x - 14

y = 134-14

y = 120

Hence 134 children and 120 adult plates were served

7 0
3 years ago
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