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vovangra [49]
3 years ago
14

Sarah is paid $20 an hour at her new job. She wishes to graph her total pay T, as a function of the number of hours, h. She want

s to be sure her graph shows her pay for 10 and 20 hours of work.
Select from the drop-down menus to correctly complete each statement.

To best show this information, the scale for the T-axis of her graph should go from 0 to at least
, and the h-axis of her graph should go from 0 to at least .
Mathematics
1 answer:
Hatshy [7]3 years ago
4 0
1 is 400 and 2 is 20 i did this before 
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Choose the words to finish the sentence. Euler’s Formula states that the of the number of faces and the number of in a polyhedro
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Answer:

see explanation

Step-by-step explanation:

Euler's formula states that the sum of the number of faces (F) and the number of vertices (V) of a polyhedra is equivalent to two more than the number of its edges (E) , that is

F + V = E + 2

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2 years ago
How do you subtract fractions
olya-2409 [2.1K]

Answer:

make the denominators ( bottom number ) the same and whatever u do to that do to the top

Step-by-step explanation:

e.g ½ - ⅓

make the common denominator 6

to get from 2 to 6 u times by 3 so it wud be 3/6

and then to get from 3 to 6 u times by 2 so do the same to the numerator (top number) so u get 2/6

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3 years ago
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Four friends purchase 18.4 pounds of peaches. The peaches cost $1.75 per pound. The friends share the cost of the peaches equall
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Each friend pays 8.02.
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3 years ago
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We often deal with weighted​ means, in which different data values carry different weights in the calculation of the mean. For​
Veseljchak [2.6K]

Answer:

a) The student's overall average for the class is 87.97.

b) He would need a score above 100 to get an A, which means that he could not have scored high enough on the final exam to get an A in the class.

Step-by-step explanation:

Weighed average:

To solve this question, we find the student's weighed average, multiplying each of his grade by his weights.

Grades and weights:

Scored 82.5 on the midterm, worth 30%.

Scored 88.6 on the final exam, worth 30%.

Scored 91.6 on the homework, worth 40%.

a. On a 100-point scale, what is the student's overall average for the class?

Multiplying each grade by it's weight:

A = 82.5*0.3 + 88.6*0.3 + 91.6*0.4 = 87.97

The student's overall average for the class is 87.97.

b. The student was hoping to get an A in the class, which requires an overall score of 93.5 or higher. Could he have scored high enough on the final exam to get an A in the class?

Score of x on the final class, and verify that the average could be 93.5 or higher. So

A = 82.5*0.3 + 88.6*0.3 + 0.4x

A \geq 93.5

82.5*0.3 + 88.6*0.3 + 0.4x \geq 93.5

0.4x \geq 93.5 - (82.5*0.3 + 88.6*0.3)

x \geq \frac{93.5 - (82.5*0.3 + 88.6*0.3)}{0.4}

x \geq 105.425

He would need a score above 100 to get an A, which means that he could not have scored high enough on the final exam to get an A in the class.

3 0
3 years ago
Which shows the four-term polynomial and factored form of x2 + 6x – 27?
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We need to understand that the sign of your constant )that's your number -27) dictates how you factor. A + and - number multipled together yields a - number.

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So what to numbers multiply together to yield- 27, but have a difference of +6. +9 x -3 = -27

Therefore, we break our binomial up as follows, (x+9)(x-3)

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3 years ago
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