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vazorg [7]
3 years ago
8

$250 is invested in the bank that pays 7% simple interest. Calculate the amount of money in the account after 1 year

Mathematics
2 answers:
victus00 [196]3 years ago
4 0
250*1.07=267.5
=267.50
Sergeeva-Olga [200]3 years ago
3 0
A=p(1+rt)
A=250×(1+0.07×1)
A=267.5
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maks197457 [2]

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Answer:

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Step-by-step explanation:

1/3a = -5 --> multiply each side with 3 --> a = -15

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3 years ago
A school dance committee has 14 volunteers. Each dance requires 3 volunteers at the door, 5 volunteers on the floor, and 6 float
siniylev [52]

There are 91 such ways in whih the volunteers can be assigned if two of them cannot be assigned from 14 volunteers.

Given that a school dance committee has 14 volunteers and each dance requires 3 volunteers at the door, 5 volunteers on the floor and 6 on floaters.

We are required to find the number of ways in which the volunteers can be assigned.

Combinations means finding the ways in which the things can be choosed to make a new thing or to do something else.

nC_{r}=n!/r!(n-r)!

Number of ways in which the volunteers can be assigned is equal to the following:

Since 2 have not been assigned so left over volunteers are 14-2=12 volunteers.

Number of ways =14C_{12}

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=14!/12!*2!

=14*13/2*1

=91 ways

Hence there are 91 such ways in whih the volunteers can be assigned if two of them cannot be assigned.

Learn more about combinations at brainly.com/question/11732255

#SPJ1

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Step-by-step explanation:

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