Charlie saves 21.45 each month for 6 months in the seventh month he only saves 10.60 how much money will Charlie have saved in 7 months

Answers

Answer 1

Answer: If you would like to know how much money will Charlie have in 7 months, you can calculate this using the following steps:

21.45 each month for 6 months: 21.45 * 6 = 128.7
in the seventh month: 10.60

in 7 months: 128.7 + 10.6 = 139.3

The correct result would be 139.3.

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Which is a quadratic function having a leading coefficient of 3 and a constant term of –12?

Answers

f(x) = 3x^2 + 11x – 12.

Answer:

f(x) = 3x^2 + 11x – 12.

Step-by-step explanation:

1.0 liter of a gas at standard pressure and pressure is compressed to 473ml. What is the new pressure of the gas?

Answers

If we assume that T does not change, then PV = k.

If this is true, then P1V1 = P2V2 (Boyle's Law)

P1 = 1 atm (standard pressure)
V1 = 1 L
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HELP PLEASE!?!17. A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet.
a. Find the length of the side of the lot opposite the 60° angle.
b. Find the length of the hypotenuse of the triangular lot.
c. Find the sine, cosine, and tangent of the 30° angle in the lot. Write your answers as decimals rounded to four decimal places.

Answers

The attached pic shows each step.

Multiply to negative 60 add to negative 11

Write the expression in radical form

(4m)^5/3

Answers

Answer:

hope that will help you

A trip to Portland, Oregon, from Boston will take 7 3/4 hours. Assuming we are two-thirds of the way there, how much longer in hours will the trip take?

Answers

First turn 7 hours and 3/4 hours into a decimal number. This will help when doing equations (the work).

This means finding the decimal value of 3/4. 3 divided by four is .75, which means that's the decimal value. Now add 7.

The full decimal number is 7.75 hours.

Now, the question says you are two-thirds there, meaning you have one-third to get there, also known as 1/3.

What you can do to find how much longer the trip will take is divide 7.75 by 3 which will give you one-third of 7.75.

One-third of 7.75 is 7.75 divided by 3 which is approximately equal to 2.58.

Since the unit is hours, 2.58 represents 2.58 hours.

Therefore, the answer is that it will take 2.58 hours longer to get to Portland, Orgeon.

Remember to do a bit of studying, understand how the question can be solved, and doing procedures with fractions.

I hope this helped!

Mr. Rodriguez asked 60 randomly chosen students from each grade level at Willowbrook School about their favorite types of reading materials. Of those 60 students, 12 chose science fiction. Mr. Rodriguez used the data to draw the inference that about 20% of middle school students prefer to read science fiction. If 150 students attend the school, did he make a reasonable inference? Explain.

Answers

Answer:

Mr. Rodriguez made a reasonable inference. His sampling was random, nonbiased, and reasonably large compared to the school population. 12 is 20% of 60.

Step-by-step explanation:

the ratio in the sample is 12/60, or 0.2

Answer:

The fair assumption was made by Mr. Rodriguez. His surveys were random, non-biased and very large according to the population of the schools. Of 60, 12 is 20%.

Im sad

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