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IgorLugansk [536]
2 years ago
14

Y = -2x x + y = 7 what does x equal what does y equal

Mathematics
1 answer:
Temka [501]2 years ago
8 0

Answer:

x = 0

y = 7

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Sue Mitchell weighed 8 lb. 13 oz. when she was born. She now weighs 93 lb. 5
ra1l [238]

Answer:

Weight gain = 84 lb 5 oz

Average weight gain = 6 lb 5 oz

Step-by-step explanation:

lb means pounds

16 oz = 1 pound

Convert the weight to pounds

Weight when she was born = 8 lb. 13 oz

= 8 pounds + 0.8125 pounds

= 8.8125 pounds

Present weight = 93 lb. 5

oz

= 93 pounds + 0.3125 pounds

= 93.3125 pounds

How much has she gained since birth

Weight gain = Present weight - Weight when she was born

= 93.3125 pounds - 8.8125 pounds

= 84.5 pounds

= 84 lb 5 oz

Weight gain = 84 lb 5 oz

what has been her average weight for each year if she is 13 year old

Average weight gain = Weight gain / 13

= 84.5 pounds / 13

= 6.5 pounds

= 6 lb 5 oz

Average weight gain = 6 lb 5 oz

8 0
2 years ago
#1. Which of the following is a rational number?
Sladkaya [172]
#1: b. 100 square root is 10. 10 x 10 = 100. 100 = rational number, Others include a series of numbers that cannot be written down.
#2 -7.8 With the line on top. THe line on the 8 means that it continues for ever.
Only other one is d.
4 0
3 years ago
What is the value of the expression: -9.2 + (-7)?
HACTEHA [7]

Answer:

-16.2

Step-by-step explanation:

-9.2+(-7)=-16.2

8 0
3 years ago
The value of n from the set {6, 7, 8, 9} that holds true for 4n − 12 < 2n + 2 is .
IrinaVladis [17]

Answer:

6

Step-by-step explanation:

4n - 12 < 2n + 2 is for n=6

4×6 -12 < 2×6 +2

24 - 12 < 12 + 2

12 < 14 correct

for n=7

4×7 - 12 < 2×7 + 2

16 < 16 incorrect

for n=8

4×8 - 12 < 2×8 + 2

20 < 18 incorrect

for n=9

4×9 - 12 < 2×9 + 2

24 < 20 incorrect

so, only for n=6 is the expression true.

3 0
2 years ago
Find the simple interest:<br> $1,000, 5%, 2 years
omeli [17]

Answer:

si= prt÷100 =100rs.....do tell me if my answer is right then thank and mark me as brainlist

6 0
3 years ago
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