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shutvik [7]
3 years ago
12

Fifty six students sing up to volunteer for the race . There were 4 equal groups of students , and each group had a different ta

sk. How many students were in each group?
Mathematics
1 answer:
andrey2020 [161]3 years ago
8 0
There were 14 students per group.
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You bought a blu-ray that cost $28.68 before tax. How much did you have to pay once the 7% sales tax was factored in?
xxTIMURxx [149]

Answer:

You had to pay $30.69 after the sales tax factored in.

Step-by-step explanation:

First step is to find 7% of $28.68.

The answer to that is the sales tax, therefore making the sales tax $2.01.

Finally, you have to add $2.01 to $28.68 to get a total of $30.69, your final answer.

8 0
3 years ago
Rick is a salesman whose base monthly salary is $2,200. He earns 5% commission on total sales. Last month his total earnings wer
Masteriza [31]
A Because if you subtract his monthly salary and his amount paid then multiply the amount of 5% by the extra not excluding his monthly salary you get 6500$<span />
3 0
3 years ago
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By selling a laptop at $1,000 for which consumers are willing to pay up to $1,200, a consumer electronics firm makes a profit of
mr Goodwill [35]

Answer:

600

Step-by-step explanation:

7 0
3 years ago
please help me, im stuck and i do not understand what i need to do, answer the question in the picture please
tino4ka555 [31]

Answer:

x = - \frac{1}{4}

Step-by-step explanation:

To find f(g(x)) substitute x = g(x) into f(x), that is

f(g(x))

= f(x + 1)

= 2(x + 1)² ← expand using FOIL

= 2(x² + 2x + 1) ← distribute

= 2x² + 4x + 2

To find g(f(x)) substitute x = f(x) into g(x), that is

g(f(x))

= g(2x²)

= 2x² + 1

----------------------------------------------------------

Equating  gives

2x² + 4x + 2 = 2x² + 1 ( subtract 2x² + 1 from both sides )

4x + 1 = 0 ( subtract 1 from both sides )

4x = - 1 ( divide both sides by 4 )

x = - \frac{1}{4}

4 0
3 years ago
You invest an initial $1,000 in an account that has an annual interest rate of 2%, compounded quarterly. how much money will you
kiruha [24]
Check the attached file for the answer.

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3 years ago
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