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Wittaler [7]
3 years ago
5

Brett earned scores of 74, 90, and 84 on his first three quizzes this term. What score

Mathematics
2 answers:
zloy xaker [14]3 years ago
7 0

Answer:

92

Step-by-step explanation:

(74 + 90 + 84 + 92) / 4 = 85

kozerog [31]3 years ago
4 0

Answer:

x ≥ 92

Step-by-step explanation:

let 'x' = necessary score

(74 + 90 + 84 + x) / 4 ≥ 85

(248 + x) / 4 ≥ 85

cross-multiply:

248 + x ≥ 340

x ≥ 92

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Give an example of how you use positive and negative numbers, and explain the meaning of 0 in your example.
EastWind [94]

Answer:

Meanings of the numbers:

Most numbers represent an amount. Positive numbers represent above zero. Zero is the only number that does not represent an amount. It means nothing. When you go lower than nothing, you are in the negative numbers. Negative numbers represent absent values pretty much.

How I would use them in every day life:

I would use positive numbers to represent... maybe something I'm trying to get at a store. Ex: 4 bananas

I would use negative numbers to... maybe look at the temperature. Ex: -16 degrees Fahrenheit. Negative numbers are in temperature all the time.

Hope this helps! (^-^)

6 0
2 years ago
Two-fifths of the students in Mrs. Navares fifth grade class ride the bus to school. if there are 25 students in her class, how
butalik [34]
You do a multiplication of 2/5 times 25 and you get 50/5 which is equal to 10. So @0 students ride the school bus.
8 0
3 years ago
Read 2 more answers
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Brilliant_brown [7]

Answer

The Answer is A C D

Step-by-step explanation:

4 0
2 years ago
|c- 24| = 7c<br><br> :D :D :D
Ivanshal [37]

c\geq0\\\\\\ |c- 24| = 7c\\\\c-24=7c \vee c-24=-7c\\\\6c=-24 \vee -8c=-24\\\\c=-4 \vee c=3\\\\-4\not \geq0\\\\\boxed{c=3}

3 0
3 years ago
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olganol [36]

Answer:

6.5

Step-by-step explanation:

when a negative is multiplied by a negative it in turns turns into a positive...hence 2+4.5

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