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Pre-Algebra

How do I represent the following fraction in decimal?
I would like to know how do I represent the following fraction represented in base- $8$ in decimal form:
$(\frac{35}{25})_{8}$
It seems very hard. Please somebody help me.

Jacoby Erickson 2022-10-11

For which natural numbers a fraction can be simplifed
I want to know how to check for which natural numbers fraction $\frac{7 n + 19}{7 n + 2}$ can be simplified. The correct answer is supposed to be $n = 2 k - 1$
I do understand that the denominator and the numerator have to have a common divisor in order to simplify the fraction, but fail to see how this particular problem should be approached.

Bavikhove8h 2022-10-10

What is 350% of 96

Damon Vazquez 2022-10-09

Proof that $\frac{a^{2}}{b} + \frac{b^{2}}{c} + \frac{c^{2}}{a} \geq a + b + c$
I've tried getting everything on the left side and transforming it into something squared so that I can prove it's bigger or equals to 0 but I've been unsuccessful.

Hayden Jones2022-10-08

This question has two parts. First, answer Part A. Then, answer Part B. Part A Fill in the blank question. Build Perseverance Suppose an online store has an item that costs $50. The item is on sale for 10% off the original price. 10% of $50 = $ The sale price of the item is $ Part B Build Perseverance By what percent does the store have to increase the price of the item in order to sell it for the original amount? Enter your answer as a mixed number or round to the nearest hundredth.

fofopausiomiava 2022-10-08

Give the place value of the 5 in 24.85

deksteenk9 2022-10-08

How should this fraction involving powers be solved
$\sqrt{5} \cdot {(\frac{5}{4})}^{\frac{1}{2}}$
All I know is that this can be written as
$\sqrt{5} \cdot {(\frac{5}{2^{2}})}^{\frac{1}{2}}$
Any Ideas?

Janessa Benson 2022-10-08

Milk weighs 8.605 pounds to the gallon. How much does 12.2 gallons weigh?

sexiboi150nc 2022-10-08

How many of the numbers from 10 through 82 have the sum of their digits equal to a perfect square?

tun1ju2k1ki 2022-10-07

Rationalsing and simplifying surds question grade 10
I am a student and I am having difficulty answering this rationalising and simplifying question: I don't know what to do with the 2 at the bottom as a fraction.
$\frac{a}{\frac{\sqrt{40}}{2}}$
Thank you and help is appreciated

gsragator9 2022-10-07

Perform the indicated operation and simplify the result. $\frac{4 + \frac{1}{x}}{2 - \frac{1}{x}}$

garnirativ8 2022-10-07

Every odd prime can be expressed as the difference of two squares in one and only one way.
(a) Find this one way for the prime number 37
(b) Find this one way for the prime number 41

Tiana Hill 2022-10-07

1 gallon minus 1 quart, 1 pint, and 1 ounce

Sluisu4 2022-10-07

Improper fraction
Do the improper fractions include, "the fraction whose numerator is greater than or equal its denominator" or "the fraction whose numerator is greater only than the denominator"?

ASHLYN COCHRAN2022-10-06

You mix 0.25 cup of juice concentrate for every 2 cups of water to make 18 cups of juice. How much juice concentrate do you use? How much water do you use?

Scooter Madison2022-10-06

Dana Russo 2022-10-05

What conversion rate if used to convert pounds to tons?
$\frac{2, 000 ton}{1 lb}$
$\frac{1 ton}{2, 000 lb}$
$\frac{2, 000 lb}{1 ton}$
$\frac{1 lb}{2, 000 ton}$
Convert between the two measurement.
$7, 000 lb =___tons$

Lisantiom 2022-10-03

Azad sold some books at $27 each and used the money to buy some concert tickets at $54 each. He had no money left over after buying the tickets. What is the least amount of money he could have earned from selling the books? What is the least number of books he could have sold?

solvarmedw 2022-10-02

How do I rationalize the following fraction: $\frac{1}{9 \sqrt[3]{9} - 3 \sqrt[3]{3} - 27}$ ?
As the title says I need to rationalize the fraction: $\frac{1}{9 \sqrt[3]{9} - 3 \sqrt[3]{3} - 27}$ . I wrote the denominator as: $\sqrt[3]{9^{4}} - \sqrt[3]{9^{2}} - 3^{3}$ but I do not know what to do after. Can you help me?

aphathalo 2022-10-02

A four variable inequality
Let $a, b, c, d$ be non-negative real numbers satisfying $a + b + c + d = 3$ . Show
$\frac{a}{1 + 2 b^{3}} + \frac{b}{1 + 2 c^{3}} + \frac{c}{1 + 2 d^{3}} + \frac{d}{1 + 2 a^{3}} ⩾ \frac{a^{2} + b^{2} + c^{2} + d^{2}}{3} .$
I got this inequality from an IMO preparation club. I no longer do contest math but still I find this interesting. There is a weird equality case : $(2, 1, 0, 0)$ works (whereas $(2, 0, 1, 0)$ does not).
So far I've tried regrouping terms to disminish the number of variables or the number of non-zero variables. I've shown that the inequality is implied by the three-variable version
$\frac{a}{1 + 2 b^{3}} + \frac{b}{1 + 2 c^{3}} + \frac{c}{1 + 2 a^{3}} ⩾ \frac{a^{2} + b^{2} + c^{2}}{3}$
if $a + b + c = 3$ . The three variable version itself is implied by the two variable version, but the two variable version is false.

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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