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astra-53 [7]
3 years ago
13

The temperature changes from 9°F to -5°F. Which of the following expressions model the distance on thermometer between 9°F and -

5°F? Choose all the correct answers
A I -5 -9 I

B I 9 -5 I

C I 9- (-5) I

D I -5 (-9) I

E I -9 - (-5) I
Mathematics
1 answer:
scoray [572]3 years ago
3 0

Answer:

d = |- 5- 9|

Step-by-step explanation:

Given

Initial = 9^\circ F

Final = -5^\circ F

Required

Determine the difference

Represent this with d.

d is calculated using

d = |Final - Initial|

The equation becomes

d = |- 5- 9|

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Gina has a jar of marbles that contains 7 blue marbles, 5 red marbles, and 8 green marbles. She randomly selects a marble, recor
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The probability that Gina randomly selected two red marbles is 1/19

<u>Explanation:</u>

Total number of marbles = 7 + 5 + 8

                                          = 20

The probability of getting two red marbles in the fraction form is given as:

P(first red marble) = number of red marbles / total number of marbles

P(first red marble) = \frac{5}{20} = \frac{1}{4}

P(second red marble) = number of red marbles after 1 white marble is removed / total number of marbles after 1 red marble is removed.

P(first red marble) = \frac{4}{19}

P(two red marbles) = P(first) X P(second)

                              = \frac{1}{4} X \frac{4}{19}

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Therefore, the probability that Gina randomly selected two red marbles is 1/19

6 0
3 years ago
A worker is paid $9.80 per hour, with time and a half for any hours over 40 per week. If he works 44 hours in a week, what will
bezimeni [28]
b. 450.80

you multiply 40 x 9.80 ...equals 392. 

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4 0
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Examining the response options:

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