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andriy [413]
3 years ago
15

tabitha wants to find the total cost of a new tablet computer that has a origanall cost of $360 from a store having a 20% sales

tax
Mathematics
1 answer:
Eva8 [605]3 years ago
8 0

ANSWER: $432

STEP-BY-STEP EXPLANATION:

The cost of the tablet is $360

Then Tabitha has to pay 20% sales tax.

The tax is the prices times 20%  plus the original price

360 ( 1+ 0.2)

360 (1.2)

=432

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B

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user100 [1]

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4 0
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Prove the divisibility of the following numbers:
Brut [27]

Answer:

Step-by-step explanation:

To prove divisibility, we need to factor the divident such that one of its factors matches the divisor.

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(A)

75^{30}|45^{45}\cdot15^{15}\\45^{45}\cdot15^{15}=3^{45}\cdot 15^{45}\cdot 15^{15}=\\=3^{45}\cdot 15^{60}=3^{45}\cdot 15^{30}\cdot 15^{30}=3^{45}\cdot (3\cdot5)^{30}\cdot 15^{30}=\\=3^{45}\cdot 3^{30}\cdot(5\cdot 15)^{30}=3^{45}\cdot 3^{30}\cdot(75)^{30}\\\implies\\75^{30}|3^{45}\cdot 3^{30}\cdot75^{30}

(B)

72^{63}|24^{54}\cdot 54^{24}\cdot2^{10}\\24^{54}\cdot 54^{24}\cdot2^{10}=(2^{162}\cdot 3^{54})\cdot(2^{24}\cdot 3^{72}) \cdot 2^{10}\\=2^{196}\cdot 3^{126}

In this case, it is easier to also factor the divisor to primes:

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6 0
3 years ago
>
olga nikolaevna [1]

Answer:5

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Which exponential function is represented by the

graph?

9

8Hold on, our servers are swamped. Wait for your answer to fully load.

7

6

5

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4

o f(x) = 2( 3 )

O f(x) = {(2Y

o f(x) = {(

4

3

2-

(1.1

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Of(x) = 2(2)

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6 0
2 years ago
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cluponka [151]

Answer:

46 degrees

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180 - 102 - 32 equals to 46

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