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Allisa [31]
3 years ago
10

X + 2y = 10 3x + 4y = 8 Which point is the solution to the system of equations?

Mathematics
1 answer:
bija089 [108]3 years ago
6 0

Answer:

x = -12

y = 11

Step-by-step explanation:

i used substitution and let 'x' = 10 - 2y

3(10 - 2y) + 4y = 8

30 - 6y + 4y = 8

30 -2y = 8

-2y = -22

y = 11

x + 2(11) = 10

x + 22 = 10

x = -12

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Andrew and Kate have $30 to spend on dinner, tax, and gratuity at Mo’s Restaurant. Tax is 6%, and they will give a 15% tip on th
ivanzaharov [21]

Answer:

ANSWER: Yes. They have enough to pay their bill: 21 dollars times 1.06 = 22 dollars and 26 cents and 22 dollars and 26 cents times 1.15 = 25 dollars and 60 cents.

Step-by-step explanation:

convert all % to decimals

0.06 x 21 = $1.26 tax

0.15 x 21 = $3.15 tip

1.26 + 3.15 = $4.41 added payment

4.41 + 21 = = $25.41 total bill

(yes i am aware i did the method differently since i learned it another way but the answer should till be correct.)

4 0
2 years ago
Read 2 more answers
Two triangles are created by the points below use each of the triangles to determine the slope of the line on the graph what is
Allisa [31]
Sorry I can’t answer this u need do put more info
8 0
2 years ago
Describe the error in writing the sentence as a equation.
babunello [35]

The error in the given equation is that the product of 24 and x is equal to 8

while the original product according to sentence is of 8 and x which is equal to 24

Step-by-step explanation:

we will convert the given sentence into equation to compare it with the given equation.

Let x be the number

Then

"8 multiplied by a number x."

8x

"24 is 8 multiplied by a number x."

24 is a product of 8 and x so

8x = 24

The error in the given equation is that the product of 24 and x is equal to 8

while the original product according to sentence is of 8 and x which is equal to 24

Keywords: Equations, word problems

Learn more about equations at:

  • brainly.com/question/6166224
  • brainly.com/question/6112033

#LearnwithBrainly

5 0
2 years ago
15 points! whats value of q?
Dafna1 [17]

Answer:

30 degrees

Step-by-step explanation:

Good luck fam

5 0
2 years ago
I got a question ????​
Vlad [161]
Answer: y=5.6


Steps:

41-13= 28

28 divided by 5 = 5.6

4 0
2 years ago
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