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vladimir1956 [14]
2 years ago
11

What is a coefficient

Mathematics
2 answers:
Oksi-84 [34.3K]2 years ago
7 0

Answer:

a numerical or constant quantity placed before and multiplying the variable in an algebraic expression

Step-by-step explanation:

hi

ikadub [295]2 years ago
7 0
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression

my brain
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1. Trey bought a puzzle priced at $12 and a
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Answer:

$28.08

Step-by-step explanation:

104%×12+104%×15

=$28.08

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3 years ago
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If angles P and Q are supplementary angles, which of the following must always be true?
user100 [1]

Answer:

180

Step-by-step explanation:

for two angles to be supplementary, their sum must be equal to 180°

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2 years ago
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Determine the point estimate of the population proportion and the margin of error for the following confidence interval.Lower bo
Kamila [148]

Answer: The point estimate of the population proportion is . 485.​

The margin of error is 0.273.​

Step-by-step explanation:

Confidence interval for population proportion(p):

sample proportion ± Margin of error

Given:  Lower bound of confidence interval  = 0.212

Upper bound = 0.758

⇒sample proportion - Margin of error=0.212  (i)

sample proportion + Margin of error= 0.758  (ii)

Adding (i) and (ii) , we get

2(sample proportion) =0.970

⇒ sample proportion = 0.970÷2= 0.485

Since sample proportion is the point estimate of the population proportion.

So, the point estimate of the population proportion=  0.485

Now put sample proportion =0.485 in (ii), we get

0.485+ Margin of error= 0.758

⇒  Margin of error= 0.758 - 0.485 =0.273

i.e. The margin of error is 0.273.​

5 0
3 years ago
Two angles are complementary. The first angle is 2x degrees. The second angle is (x+30) degrees. Determine the larger angle
Molodets [167]
Second angle is (x+30) value is 1718.873385
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3 years ago
Need help with math pls help me I will mark brainiest
Dmitrij [34]

Answer:

the first one is D, the second one is B i think :)

Step-by-step explanation:

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2 years ago
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