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NNADVOKAT [17]
3 years ago
7

Consider the linear system of equations. y = –x + 9 y = 0.5x – 6 If the solution is (a,–1), what is a? a =

Mathematics
1 answer:
timofeeve [1]3 years ago
4 0

Answer:

a = 10

Step-by-step explanation:

From the solution given, x = a and y = -1

Substitute for x and y in either of the equations

y = -x + 9

-1 = -a + 9

a = 9 + 1 = 10

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Claire's music playlist contains songs she bought and songs her mother bought. The ratio of her songs to her mother's songs is 3
Vsevolod [243]

Answer:

B.

Step-by-step explanation:

The ratio of Claire's songs to her mother's songs = 3 : 2

A.

3 : 2 = 3/2

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12 : 10 = 12/10 = 6/5

B.

3 : 2 = 3/2

6 : 4 = 6/4 = 3/2

15 : 10 = 15/10 = 3/2

C.

3 : 2 = 3/2

4 : 3 = 4/3

5 : 4 = 5/4

D.

3 : 2 = 3/2

4 : 6 = 4/6 = 2/3

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3 years ago
What is 62 1/2% as a decimal?
babymother [125]

Answer:

62.50 or 0.625

Step-by-step explanation:

7 0
3 years ago
Please help me with this. If you show your work I will give brainliest if there are 2 answers
AfilCa [17]
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Work Shown:

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450/20 calories = 20/20 ounces ..... divide both sides by 20

22.5 calories = 1 ounce

This smoothie has 22.5 calories per ounce.

6 0
3 years ago
My final balance after 48 months was $896.00. if i bring back originally put$800.00 into the bank, what was the interest rate?
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The interest rate is $96.00.
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3 years ago
I don't understand this question. Could anyone excplain to me what it wants me to do and what the answer is?
Hatshy [7]
The answer is 18.2
I got the answer by solving it
7 0
4 years ago
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