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Dvinal [7]
3 years ago
5

10 times 3 tens unit and standard form

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
4 0
300, three hundred is the standard form
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3n − 2 = 7<br> whats the answer to n?
Svetllana [295]

Answer:

n=3

Step-by-step explanation:

3n − 2 = 7

add 2 to each side

3n-2+2 = 7+2

3n = 9

divide by 3

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n = 3

8 0
3 years ago
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A necklace that regularly sells for $88.40 is on sale for 25% off. Find the
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Answer:

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Step-by-step explanation:

First, you need to find the 25% of $88.40.

88.40×25% (or) 25/100 = □/88.40

Solve that and you should get 22.10.

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Finally, subtract your percent from original price and boom!

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The answer is definitely b
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Andrej [43]
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\bf \displaystyle \int\limits_{-\frac{\pi }{2}}^{\pi }~8cos(\theta )\cdot d\theta \implies 8\int\limits_{-\frac{\pi }{2}}^{\pi }~cos(\theta )\cdot d\theta&#10;\\\\\\&#10;\left. 8sin(\theta )\cfrac{}{}  \right]_{-\frac{\pi }{2}}^{\pi }\implies [8sin(\pi )]~-~\left[8sin\left(-\frac{\pi }{2}  \right)  \right]\implies [0]-[-8]\implies 8
8 0
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qaws [65]

Answer:

1.25

Step-by-step explanation:

I did this question before and got it right

5 0
3 years ago
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