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zheka24 [161]
3 years ago
14

Carmen has an average of 8 on two 10-point math quizzes. If she scored 10 on the third quiz, what is true of Carmen's average sc

ore on all three quizzes?
Mathematics
1 answer:
lana [24]3 years ago
5 0

Answer:

9

Step-by-step explanation:

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If x=6 and y=−4, evaluate the following expression:10−4xy​
Lana71 [14]

Answer:

10-(4×6×-4)

10+96

=106

Step-by-step explanation:

hope it helps

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2 years ago
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5+(−4)+(−7)+2 jijujuijuijuijujijuijuijuijiji
Maurinko [17]

Combine the terms. Note that: one positive and one negative sign results in a negative sign.

Simplify: 5 + (-4) = 5 - 4 = 1

1 + (-7) = 1 - 7 = -6

-6 + 2 = -4

-4 is your answer

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8 0
3 years ago
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Alina has just received 333 video games for her birthday to add to her existing 121212 video games. A week later she went to the
Katarina [22]
[(121212+333)(2)]+555
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3 years ago
Justin made 184 for 8 hours of work. At the same rate, how many hours would he have to work to make 115?
Kisachek [45]

Answer:

8/184

0.0434782609x115

5

Step-by-step explanation:

5

7 0
3 years ago
Using the pie chart below, if 300 students were polled on their favorite ice cream flavor, how many more students preferred stra
Paladinen [302]
Since there are 300 students you have to use proportions to solve the percents. First for strawberry you need to set up a proportion such as x/300=30/100 to show you are trying to find 30%of 300. Then you must cross multiply so 300 times 30 and 100 times x. Then you have 9,000 and 100, so you divide 9,000 by 100 and then you get 90 which is the portion of kids who liked strawberry flavored ice cream. You should do the exact same thing for vanilla ice cream like this: x/300=29/100 but since you’re finding 29% you need to put a 29 over 100. Then you cross multiply and do 300 times 29 and do x times 100. Which makes you get 8,700 and 100, and then you divide 8,700 by 100 and get 87 for vanilla ice cream. Lastly you need to subtract 87 from 90 since it asked how many more students liked strawberry than vanilla: 90-87=

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3 years ago
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