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mario62 [17]
3 years ago
12

Find f(-3) if f(x) = x^2. -9 -6 6 9 It's not -6!!

Mathematics
2 answers:
BaLLatris [955]3 years ago
5 0

Answer:

f(-3) = (-3)²

= -3 * -3

= 9

Step-by-step explanation:

mezya [45]3 years ago
4 0
F(-3) = (-3)²
= -3 * -3
= 9
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Select all the expressions that are equivalent to 40% of 90. A. 72 B. 36 C. 4/5x9. D. 40/100 divided by 90. E. 2/5x90
leonid [27]

First, calculate 40% of 90

90 x (40/100 ) = 90 x 0.4 = 36

A. 72 NO

B. 36 YES

C. 4/5 x 9 = 36/5 NO

D. 40/100 / 90 = 1/225 NO

E. 2/5 x 90 = 36 YES

Answers:

B and E

5 0
1 year ago
you are purchasing four items and you want to calculate the tax. The items cost 2.50, 8.75, 3.00, and 10.25. The tax rate is 6%.
vredina [299]
In the question it is already given that 4 items are being purchased and their individual rates are also given. the percentage of tax that needs to be paid is also given. To find the total amount of tax that has to be paid, you can either calculate the taxes on individual items and then add them or you can add the total amount required for the 4 items and then calculate the tax. Both will yield the same result but the second process is easier.
Cost of all the 4 items purchased = (2.50 + 8.75 + 3.00 + 10.25)
                                                       = 24.50
Percentage of tax that needs to be paid = 6%
Amount of tax that needs to be paid = (6/100) * 24.50
                                                           = 147/100
                                                           = 1.47
So the amount of tax that needs to be paid is 1.47.
5 0
3 years ago
On a math test, 5 out of 20 students got an A. If three students are chosen at random without replacement, what is the probabili
Y_Kistochka [10]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
ways to put 72 cookies into an equal amount of bags with more than 2 and less than 10 cookies in each bag
IceJOKER [234]


You can put 6 cookies in each bag with 12 bags in total.

Do, 72 Divided by 6 and you get 12.

Hope it helps

7 0
3 years ago
Help please thanks :)
Gre4nikov [31]

Answer:

the third one down, there is no gap in the data set

Step-by-step explanation:

ill be here all day

8 0
2 years ago
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