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3 years ago

Express 0.009238 to 3 significant figures

Mathematics

1 answer:

adell [148]3 years ago

6 0

Answer: = 9.238 * 10 ^ 3

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At the end of the sale, 22 crossbody purses were sold at $15 each, 34 wristlets priced at $12 were sold, 96 satchels marked at $

Brrunno [24]

Answer:

Average: 26.223529411764706 (Please round to the place value necessary since it does not say in the question.)

Step-by-step explanation:

We first find the number of items sold: 170

Then we find the total cost: 4458

We then divide 4458 by 170

We end up with the answer 26.223529411764706. (Please round to the place value necessary since it does not say in the question.)

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2 years ago

What is the exact time t, in years, needed for the balance of an account that earns 5% annual 8. Interest compounded continuousl

Brums [2.3K]

Answer:

It takes 22.52 years for the balance to triple in value.

Step-by-step explanation:

Continuous compounding:

The amount of money earned using continuous compounding is given by the following equation:

$A(t) = A(0)(1+r)^t$

In which A(0) is the initial amount of money and r is the interest rate, as a decimal.

Interest rate of 5%.

This means that $r = 0.05$ , and thus:

$A(t) = A(0)(1+r)^t$

$A(t) = A(0)(1+0.05)^t$

$A(t) = A(0)(1.05)^t$

Time for the balance to triple?

This is t for which $A(t) = 3A(0)$ . So

$A(t) = A(0)(1.05)^t$

$3A(0) = A(0)(1.05)^t$

$(1.05)^t = 3$

$\log{(1.05)^t} = \log{3}$

$t\log{1.05} = \log{3}$

$t = \frac{\log{3}}{\log{1.05}}$

$t = 22.52$

It takes 22.52 years for the balance to triple in value.

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3 years ago

Simplify the expression by combing all like terms x +2 + x + 2 + x

sergeinik [125]

Answer:

4 + 3x

Step-by-step explanation:

2 + 2 = 4

Add the three x's together and you get 3x!

Hope this helps! ^^

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3 years ago

Read 2 more answers

A box contains 9 identical glass spheres that are used to make snow globes.

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Uhmmm B I pretty sure

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2 years ago

What is a perfect square 6, 10, 12, 14

vaieri [72.5K]

Answer:

None of the numbers are Perfect Square.

Step-by-step explanation:

6, 10, 12, and 14 are not <u>Perfect Square</u>, because each number are multiplied by two different numbers:

$6 = 3 \times 2$

$10 = 5\times 2$

$12 = 6\times 2$

$14 = 7 \times 2$

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3 years ago

Express 0.009238 to 3 significant figures​

Express 0.009238 to 3 significant figures