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2 years ago

To sample the average number of pages for the books in the school library, the

Mathematics

1 answer:

sashaice [31]2 years ago

6 0

Answer:

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Step-by-step explanation:

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Solve the equation. Round to the nearest hundredth. Show work.

muminat

Answer:

Final answer is approx x=0.16.

Step-by-step explanation:

Given equation is $2.8\times 13^{4x} +4.8 = 19.3$

Now we need to solve equation $2.8\times 13^{4x} +4.8 = 19.3$ and round to the nearest hundredth.

$2.8\times 13^{4x} +4.8 = 19.3$

$2.8\times 13^{4x} = 19.3-4.8$

$2.8\times 13^{4x} = 14.5$

$13^{4x} = \frac{14.5}{2.8}$

$13^{4x} = 5.17857142857$

$\log(13^{4x}) = \log(5.17857142857)$

$4x \log(13) = \log(5.17857142857)$

$4x = \frac{\log(5.17857142857)}{\log\left(13\right)}$

$4x = 0.641154659628$

$x = \frac{0.641154659628}{4}$

$x = 0.160288664907$

Round to the nearest hundredth.

Hence final answer is approx x=0.16.

4 0

3 years ago

This meal originally costs $75. Fatima used a 20% off coupon and then tax was added. The total after coupon and tax was $75.

Savatey [412]

The discount given on the cost of the meal is $15

<h3>How to calculate tax on a given price</h3>

According to the question, we are given the following information

The original cost of the meal = $75

Off coupon = 20%

Required

The number of coupons given

coupon amount = 0.2 * 75
coupon amount = $15

Hence the discount given on the cost of the meal is $15

Learn more on discounts here: brainly.com/question/24304697

5 0

2 years ago

Jeans are $20 for 2 pairs. Kerry spent $40 on jeans.<br>How many pairs did she buy?

Leona [35]

Answer:Kerry would have bought 2 pairs of jeans

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

It costs $3 to bowl a game and $2 for shoe rental.

gulaghasi [49]

Expression: 3g+2
cost of 8 games: 3*8=24+2= 26

3 0

2 years ago

I need help!

Naddik [55]

Answer: Estimate: 36 ? units ? miles per hour ? feet per second?

Exact: 35.32142857 but if you are supposed to use significant digits, 35.32 is probably good.

Step-by-step explanation: For the estimate, round off the fractions to whole numbers, so multiply 6 x 6 to get 36

For exact I converted the mixed numbers to improper fractions, 5 3/4 = 23/4 and 6 1/7 = 43/7. Then multiplied the numerators 23 x 43= 989. And denominators, 4x7=28.

Divide numerator by denominator 989/28= 35.321428571

7 0

3 years ago