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2 years ago

Given that the expression “p dollars for every q items” describes a unit price, which statement must be true?

Mathematics

2 answers:

NISA [10]2 years ago

7 0

The answer is p= Q .

TiliK225 [7]2 years ago

4 0

Pq= 1 because dollars for every item would make more sense then items for every dollar.

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Joe studied math for x minutes, and then studied Spanish for 20 minutes more than he studied math. He did this for 3 days in a r

never [62]

Answer:

x+20 * 3

Step-by-step explanation:

* represents a multiplication symbol

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2 years ago

How to find an equivalent fraction of 36/48 with numerator 9

Kobotan [32]

Answer:

9/12

Step-by-step explanation:

You have to divide 36 by 4 to get 9 and then divide 48 by 4 and you will get 12.

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2 years ago

Read 2 more answers

In order to estimate the average time spent per student on the computer terminals at a local university, data were collected for

d1i1m1o1n [39]

Answer: option D

Step-by-step explanation:

The formulae for standard error = standard deviation/√n

But population standard deviation = 1.8 and sample size = n = 81

Standard error = 1.8/√81 = 1.8/9 = 0.2

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2 years ago

Dawn earns $16,500 per year. She pays 9.5% of her gross income in state and local taxes. How much is withheld from each paycheck

Scrat [10]

Divide $16,500 by 26 to get gross amount per paycheck. Multiply that by .095 to get amount withheld.

7 0

2 years ago

The greatest factor that two or more numbers have in common is the

trapecia [35]

Answer:

"greatest common factor" (GCF) or "greatest common divisor" (GCD)

Step-by-step explanation:

Apparently, you're looking for the term that has the given definition. It is called the GCF or GCD, the "greatest common factor" or the "greatest common divisor."

_____

The GCF or GCD can be found a couple of ways. One way is to find the prime factors of the numbers involved, then identify the lowest power of each of the unique prime factors that are common to all numbers. The product of those numbers is the GCF.

<u>Example</u>:

GCF(6, 9)

can be found from the prime factors:

6 = 2·3
9 = 3²

The unique factors are 2 and 3. Only the factor 3 is common to both numbers, and its lowest power is 1. Thus ...

GCF(6, 9) = 3¹ = 3

Another way to find the GCD is to use Euclid's Algorithm. At each step of the algorithm, the largest number modulo the smallest number is found. If that is not zero, the largest number is replaced by the result, and the process repeated. If the result is zero, the smallest number is the GCD.

GCD(6, 9) = 9 mod 6 = 3 . . . . . (6 mod 3 = 0, so 3 is the GCD)

8 0

2 years ago