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Snezhnost [94]
3 years ago
8

Kelly spent $20 on rides and snacks at the state fair if X is that amount she spit on rides and y is the amount she spent on sna

cks the total amount she spent can be represented by the equation X + Y = 20 is the relationship between X and Y linear is it proportional explain.
Mathematics
1 answer:
astra-53 [7]3 years ago
3 0
Since ten plus ten is twenty I think that x and y is ten
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-2+y=9 3x-7y=3 solve the system by the substitution
REY [17]

Answer:

80/3 or 26 2/3

Step-by-step explanation:

-2 + y = 9 (subtract y from both sides)

-2 = 9 - y (subtract 9 from both sides)

-2 - 9 = y (multiply both sides by -1)

2 + 9 = y (simplify)

11 = y (substitute)

3x - 7 (11) = 3 (multiply)

3x - 77 = 3 (subtract 3 from both sides)

3x - 80 = 0 (subtract 3x from both sides)

-80 = -3x (multiply both sides by -1)

80 = 3x (divide both sides by 3)

80/3 = x (simplify if needed)

26 2/3 = x

5 0
3 years ago
Anna is 9 years old, and this year she received $10 from her aunt on her birthday. Her aunt has told
son4ous [18]

Answer:

M(y)=10y+10

Step-by-step explanation:

6 0
3 years ago
12(43)
IrinaVladis [17]
I’m not entirely sure how to answer this without a word problem, but from what I see, all you have to do is multiply the two numbers.
12 x 43= 516
5 x 88 = 440
8x 63= 504
7 x 28= 196
Usually, when you see a number followed by another number in parentheses, like here, that means to multiply.
3 0
3 years ago
Read 2 more answers
There are 80 people in the audience and 10% have green eyes how many people have green eyes
swat32

Answer:

8

Step-by-step explanation:

take the number of people in the audience and multiply by the percent that have green eyes to determine the number with green eyes

80 * 10 %

Change to decimal form

80 *.10

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5 0
3 years ago
Read 2 more answers
72 divided by X equals X
GREYUIT [131]

Answer:72 divided by 9 equals 8

Step-by-step explanation:9 x 8=72

4 0
3 years ago
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