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Bezzdna [24]
3 years ago
10

As a salesperson at Max’s Mattresses, Richard earns $250 plus $15 for each mattress he sells.  Which equation can Richard use to

determine how much earnings, e, he will make after he sells, m, matresses?​
Mathematics
1 answer:
DedPeter [7]3 years ago
4 0

Answer:

e = 250 + 15m

Step-by-step explanation:

The earnings or "e" are determined by the solution of the $250 he's earned from the start and the $15 he earns are dependent on the amount of mattresses he's sold so "m" has to be multiplied by the 15.

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If a researcher needs a sample that is representative of the population they are studying, they could utilize a _______.
vova2212 [387]

The researchers could utilize a probability sample.

Meaning of a Probability Sample

Every member of a population must have an equal chance of being chosen for a study in order for a sample to be considered a probability sample, and the researcher must be aware of this likelihood. The most typical type of sampling used in public opinion research, election polling, and other studies whose findings will be generalized to a larger population is probability sampling in which probability samples are made use of.

Probability Sample as the Representative of Population Sample

Here, a sample that qualifies for a representative of the population the researchers are studying, must consist of members having equal chances to be chosen for the study. Thus, a probability sample is the best representative of their study population.

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8 0
2 years ago
A scientist estimated that a mixture would need 6 milliliters of a chemical to balance. The actual amount needed was 7 millilite
Mashcka [7]
Percent relative error is calculated by the formula: (experimental value - literature value/ experimental value) x 100%

Therefore, (6-7/7) x 100% = 14.3%
Your answer is in absolute value :)
6 0
3 years ago
ANSWER THIS!!!!!!!!!!
cluponka [151]

Answer:

r = sqrt( 3V/( pih))

Step-by-step explanation:

V = 1/3 pi  r^2 h

Solving for r

Multiply each side by 3

3V =  pi r^2h

Divide each side by  pi h

3V/( pi h)  = r^2

Take the square root of each side

sqrt( 3V/ (pi h) )= sqrt( r^2)

sqrt( 3V/ (pi h)) = r

4 0
2 years ago
Which of the following statement is incorrect? .
Nuetrik [128]

Answer:

b) Commutative property is true for subtraction of Rational numbers

Step-by-step explanation:

  • Option B is incorrect.
  • Commutative property is not true for subtraction of Rational numbers .

5 0
3 years ago
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The given statement is "nine times five less than twice x".

So, twice of x can be written as 2x and nine times five is 9*5.

Now 9*5 less 2x means we need to take out 9*5 from 2x.

Hence, this statement will be converted into an algebraic expression as follows:

2x-9*5

4 0
3 years ago
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