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evablogger [386]
3 years ago
14

Of 220 seventh-grade students, 25% earn the Community Service Award. How many students earn the award?

Mathematics
2 answers:
Svetach [21]3 years ago
6 0

Answer: 55

Step-by-step explanation:

Oduvanchick [21]3 years ago
6 0
55


Answer because it just works
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Your teacher recently found an old Nintendo in a thrift store. Use the formula to predict the value of the Nintendo in 2020. (Re
9966 [12]

The value of the Nintendo after 35 years is $2455

Since the formula f(x) = 3x² - 40x + 180 predicts the value of the Nintendo x years after 1986.

Since we require the value in 2021, x years after 1986 is 2021 - 1986 = 35 years.

Substituting x = 35 into the equation, we have

f(x) = 3x² - 40x + 180

f(x) = 3(35)² - 40(35) + 180

f(x) = 3(1225) - 40(35) + 180

f(x) = 3675 - 1400 + 180

f(x) = 2275 + 180

f(x) = 2455

So, the value of the Nintendo after 35 years is $2455

Do you think this is a realistic prediction of the value of that Nintendo?

This is not a realistic prediction for the value of the Nintendo, because, it is too high.

Learn more about quadratic equations here:

brainly.com/question/13704125

4 0
2 years ago
30 points
igomit [66]
Since the rate of descent is a constant this is a linear equation and can be expressed as:

h=vt+b, where h=feet, v=slope or rate, b=y-intercept (y value when x=0 which is the initial height)

h=-2t+b, using the point (3,67) we can solve for b, or the initial height

67=-2(3)+b

67=-6+b

73=b  so the initial height was 73 ft and the height equation is then:

h(t)=67-2t so when t=8 you have:

h(8)=67-2(8)

h(8)=67-16

h(8)=51 ft
8 0
3 years ago
PLEASE HELP!!!! 20 pts!If you could explain why that would be amazing!
Leona [35]
Float 

because the water weighs more so it will hold it.
8 0
3 years ago
Read 2 more answers
Which graph correctly compares the volumes, V, of rectangular pyramids with different heights, h, when their bases all have the
VARVARA [1.3K]

Answer:the correct answer is D

Step-by-step explanation:

Hope this help but can you tell me what your answer?

8 0
3 years ago
Read 2 more answers
Please help. Don’t understand these two math problems
marishachu [46]
For the first one the answer is 1.25 per mile.

For the second one the answer is the airplane will take 2 minutes to defend.

Hope this helps(:
6 0
3 years ago
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