Write the fraction rule for the table

Mathematics

1 answer:

Lilit [14]4 years ago

6 0

The answer would be option C) p= 6.25h. If you plug in h (hours worked) and multiply it by 6.25 it will equal p (pay).

Ex. p= 6.25(2) would result in the answer p= $12.50.

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Previous studies have reported that elite athletes are often deficient in their nutritional intake (for example, total calories,

Naddik [55]

Answer:

(3138.29, 3705.11)

Step-by-step explanation:

Given that for sample size of n = 50 male athletes from eight Canadian sport centers surveyed, the average caloric intake was 3077.0 kilocalories/day with a sample standard deviation of 987.0.

The recommended amount = 3421.70

To construct 95% confidence interval

Since population std deviation is not known we use t critical value for degree of freedom 50-1 =49

t critical = 2.010

Hence margin of error = $2.010*\frac{987}{\sqrt{50-1} } \\=283.41$

Confidence interval lower bound = $3421.70-283.41\\=3138.29$

Confidence interval upper bound = $3421.70+283.41\\=3705.11$

Conf interval = $(3138.29, 3705.11)$

7 0

4 years ago

A restaurant sold 35 burgers with cheese if the ratio of the burgers sold with cheese compared to without cheese was 7 : 3 how m

Montano1993 [528]

We need to write a proportion to solve this

7/3=35/x

105=7x

divide each side by 7

15=x so, there were 15 burgers without cheese.

We could add the cheese burgers 35 to burgers without cheese 15

35+15=50 burgers were sold.

7 0

3 years ago

What is the solution of √1-3x=x+3

SOVA2 [1]

Answer:

x = -1

Step-by-step explanation:

$\sqrt{1-3x}=x+3\\\\1-3x=x^2+6x+9 \qquad\text{square both sides}\\\\x^2+9x+8=0 \qquad\text{put in standard form}\\\\(x+8)(x+1)=0 \qquad\text{factor}\\\\\left \{ {{x=-8} \atop {x=-1}} \right. \qquad\text{values that make the factors zero}$