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NikAS [45]
3 years ago
7

Solve the simultaneous equations

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

X=6. Y= - 6

Step-by-step explanation:

Put y=6-2x in b)

4x+3(6-2x)=6

4x+18-6x=6

-2x=6-18

- 2x=-12

Divide both sides by - 2

X=6

Put x=6 in y = 6-2x

Y=6-2(6)

Y=-6

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Ariel made 108 cupcakes. If 32 of them are chocolate, what percent of the cupcakes are vanilla?
Leni [432]

Answer:

About 70%

Step-by-step explanation:

Subtract the number of chocolate cupcakes from the total cupcakes.

108-32=76

76 cupcakes are vanilla.

Divide 76/108

76/108

70.3%

About 70% of the cupcakes are vanilla.

(I don't know if you are allowed to use a calculator in your class, but I did)

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2 years ago
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3 years ago
I need help on this question
storchak [24]
It’s the third one.. I think
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Joshua must have 7 more customers if they each buy 2 items.
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3 years ago
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5x + 2y = 3<br> 2x+3y=-1<br> Solve
professor190 [17]

Answer:

x = 1

y = -1

Point = (1,-1)

Step-by-step explanation:

2x + 3y = -1   =   y = -2/3 - 1/3

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<u>     +2    +2</u>

5x = 5

<em><u>x = 1</u></em>

2(1) + 3y = -1

2 + 3y = -1

<u>-2           -2</u>

3y = -3

<em><u>y = -1</u></em>

3 0
2 years ago
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