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2 years ago

What is the value of x

Mathematics

2 answers:

faust18 [17]2 years ago

7 0

X=6 is the answer sorry if I’m wrong

Lelu [443]2 years ago

5 0

Answer:

x=6

Step-by-step explanation:

Because these lines are parallel, that means these angles are congruent, so you can set up an equation because they are equal to each other.

110=19x-4

add 4 to both sides

114=19x

and divide by 19

6=x

x=6

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Step-by-step explanation:

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Which of the following show an element of the sample space for flipping 2 coins? (H= Heads, T= Tails) Check all that apply

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Answer:

All options

Step-by-step explanation:

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Let H denote heads and T denote tails

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3 years ago

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What was Mike's average rate of descent over his last three hours?

Romashka [77]

Answer:

The average rate of descent over the last 3 hours is 1000 ft/h.

Step-by-step explanation:

Rate of Change

It's usually referred to as to the variation that one magnitude has in reference to another. The reference magnitude can be time t. The rate of change is calculated as the slope of the curve that represents the function.

The image shows the variation of Mike's height above sea level in feet with time in hours. We need to calculate the rate of change in the last three hours (from 7 to 10).

The rate of change can be calculated with the slope of the line, which formula is:

$\displaystyle m=\frac{h_2-h_1}{t_2-t_1}$

Let's pick two points (7,4000) (10,1000):

$\displaystyle m=\frac{1000-4000}{10-7}=\frac{-3000}{3}=-1000$

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Note the rate of change is negative, which means the height is decreasing.

The average rate of descent over the last 3 hours is 1000 ft/h.

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