Boost Your Pre-Algebra Skills with Examples and Solutions

High School
Algebra
Pre-Algebra

Find the turnover rate at retail for a pottery shop if the beginning inventory at retail is $486,923 and the ending inventory at retail is $326,843. Sales for the period are $935,830.

Tolnaio 2020-11-23

pam is a rock climber. After she has climbed 30 m up a 45 m cliff, what fraction of the cliff must she climb to reach the top?

glasskerfu 2020-11-23

Penelope Schoenburgs overtime is figured on a 40 hour week. last week she worked 45.6 hours this week she worked 9.7 hours on monday 8.3 hours on tuesday 8 hours on wednesday 9.1 hours on thursday and 8.6 hours on friday how many overtime hours did she work in two weeks

kuCAu 2020-11-23

$\frac{1}{6} + \frac{1}{6} =$

sjeikdom0 2020-11-22

What does a z-score of –1.5 mean?
A.The mean is 1.5 standard deviations less than the measurement.
B.There is an error in the measurement.
C.The measurement is 1.5 standard deviations less than the mean.
D.The variance cannot be calculated because the z-score is negative.

ka1leE 2020-11-22

A phone company offers a monthly data plan for $10 a month. The plan includes 2 megabytes of data, and charges $0.10 per megabytes above the 2 megabytes of data. Write a piece-wise defined function for T(x), the cost for x megabytes of data used in a month.

remolatg 2020-11-22

b. Use your data to calculate an experimental probability for each color. Write each probability in probability notation. Express each probability as a ratio and a percent
P(Blue) =
P(Green) =
P(Yellow) =

Reeves 2020-11-22

A scuba diver dove from the surface of the ocean to an elevation of $- 79 \frac{9}{10}$ feet at a rate of - 18.8 feet per minute. After spending 12.75 minutes at that elevation, the diver ascended to an elevation of $- 28 \frac{9}{10}$ feet. The total time for the dive so far was $19 \frac{1}{8}$ . minutes. What was the rate of change in the diver's elevation during the ascent?

Dottie Parra 2020-11-22

Choose all of the fractions that represent one whole:
$\frac{8}{8}, \frac{4}{4}, \frac{1}{4}, \frac{1}{1}, \frac{1}{2}$

Maiclubk 2020-11-22

Which procedure(s) decrease(s) the random error of a measure-ment:
(1) taking the average of more measurements,
(2) calibrat-ing the instrument,
(3) taking fewer measurements? Explain

Chaya Galloway 2020-11-20

Marianna is painting a ramp for the school play that is in the shape of a right triangular prism. The ramp has the dimensions shown. She will not pain the back or bottom surfaces of the ramp.
Each can of paint covers 1,000 square inches. What is the fewest number of full cans of paint Marianna will need? Circle the minimum number of cans.

Wierzycaz 2020-11-20

Dairy Queen offers two types of cones, twelve flavors of ice cream, and six different toppings. What is the greatest number of ice cream combinations you could order with one type of cone, one flavor, and one topping?

nagasenaz 2020-11-20

The weight of an object is given as $67.2 \pm 0.3 g$ . True or false:
a) The weight was measured to be 67.2 g.
b) The true weight of the object is 67.2 g.
c) The bias in the measurement is 0.3 g.
d) The uncertainty in the measurement is 0.3 g.

EunoR 2020-11-17

Given exponential equations,
a) $3^{(4 x - 1)} = 11$
b) $6^{x + 3} = 3^{x}$
To solve for x

Harlen Pritchard 2020-11-17

Which of the following quantities represents a volume measurement:
$15 m^{2}, 2.5 \times 102 m^{3}, 5.77 L > s ?$

defazajx 2020-11-16

write $3 \times 3 \times 3 \times 3$ in exponential form.

Trent Carpenter 2020-11-16

Ten public school students had the following scores on their standardized reading test (scores are out of 500):
410, 450, 435, 375, 395, 255, 290, 105, 410, 385
(a) Compute the mean, median, and mode of this data.
(b) Compute the first and third quartiles for the data.
(c) What do you think is the best measure of center: the mean, median, or mode of the data? Justify your answer.

pancha3 2020-11-16

herman always carries an inventory of between 60,000 and 80,000 at his store. herman's military antiques. his annual costs for carrying this inventory are 4% for storage, 6% for insurance, 3% for taxes, and 12% interest. what is the greatest possible carrying cost for hermans inventory

glasskerfu 2020-11-14

Give an example of an event that is more likely than rolling a sum of 8

Wribreeminsl 2020-11-14

The fifth graders were given sandwiches for lunch during their field trip. Nathan ate $\frac{5}{6}$ of his sandwich, Leroy ate $\frac{7}{8}$ of his sandwich, and Sofia ate $\frac{5}{8}$ of her sandwich. Who ate the greatest amount of their sandwich?

Getting your pre Algebra solved becomes much easier when you have all the answers to your questions by taking a closer look at the various examples dealing with Pre-Algebra subjects. We have intentionally collected the list of pre-algebra equations and various solving equations with decimals problems to help you see various examples that explain how certain solutions are found. Still, if something sounds unclear or you are concerned about some solution that has been provided, approach pre-algebra with reverse engineering approach (going backwards).

Pre-Algebra

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