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Sedaia [141]
3 years ago
13

Give the opposite of each number. a. 3 b. –9 c. –5 d. 12

Mathematics
2 answers:
frez [133]3 years ago
6 0
The answer is: -3, 9, 5, -12. Hope this helps! Have a nice day!
inessss [21]3 years ago
5 0
Opposites: 
a. -3
b. 9 
c. 5
d. -12 
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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
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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
3 years ago
Find the value of the expression.<br> •(- 12<br> 1<br> 4
Serggg [28]

Answer:

try mat.h way it will help

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP GIVING BRAINLIST
melisa1 [442]
I’m pretty sure it’s the number of wrenches in the toolbox because that gonna affect the amount of space he has left
3 0
3 years ago
Latasha can read 30 pages of economics in an hour. She can also read 20 pages of sociology in an hour. She spends 4 hours per da
stiv31 [10]

Answer:

Her opportunity cost of reading 10 pages of sociology is 15 pages of Economics

Her opportunity cost of reading 18 pages of economics is 12 pages of sociology.

Step-by-step explanation:

For economics, Latasha reads 1 page in 2 mins (gotten by dividing the number of pages by the time taken to read it i.e 30 pages in 1 hr or 60 mins)

Her sociology is read 1 page in 3 mins (20 pages read in 60 mins)

To read 10 pages of sociology will take 30 mins. She will read 15 pages of Economics in the same time which is the opportunity cost.

In the same vein, It will take her 36 mins to read 18 pages of Economics at the same rate. This is the opportunity cost of reading 12 pages of Sociology (which she reads at 1 page in 3 mins).

8 0
3 years ago
Which translation maps the graph of the function f(x) = x2 onto the function g(x) = x2 + 2x + 6?
Flura [38]
The graph went left 1 and up 6. You could complete the square to find out or just graph it!
Hope this helps!
4 0
3 years ago
Read 2 more answers
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