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Alika [10]
4 years ago
6

Joseph plots the speed of his car and time on a scatter plot. The equation for the line of best fit on his scatter plot is y = -

15x + 60, where x is the time in hours and y is the speed in miles/hour. Which statement describes the situation correctly?
select the answer

a/ The initial speed is 60 miles/hour, and his speed decreases by 15 miles/hour every hour.

b/The initial speed is 60 miles/hour, and his speed increases by 15 miles/hour every hour.

c/The initial speed is 0 miles/hour, and his speed increases by 15 miles/hour every hour.

d/The initial speed is 5 miles/hour, and his speed increases by 30 miles/hour every hour.
Mathematics
2 answers:
ozzi4 years ago
8 0
The answer is d hope i could help

n200080 [17]4 years ago
8 0

The initial speed is 60 miles/hour, and his speed decreases by 15 miles/hour every hour.

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Solve the inequality 5(2h+8)<60
Bezzdna [24]

Answer and Step-by-step explanation:

Greetings!

Let's~answer~your~question!

First, ~let's~ work~ on ~the~ left~ hand ~side~ of ~your ~inequality,~ the~ 5(2h+8)~This\\ means,~ for~ instance, ~to ~see ~if ~it ~can~ be ~simplified ~at~ all.~Multiply~ h ~and~ 2

The~ answer~ is~ h

2\times h~ evaluates~ to~ 2h

2\times h+8 ~evaluates~ to~ 2h+8

Multiply ~5~ by~ 2h+8

we ~multiply~ 5~ by~ each ~term ~in~ 2h+8 ~term ~by~ term~and~we~use~distributive~\\property.

Multiply ~5 ~and~ 2h

5\times2h=10h

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3 0
3 years ago
If the arc length of a sector in the unit circle is 3 radians, what is the measure of the angle of the sector?
Julli [10]
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5 0
4 years ago
Help me please!!! I really need it!
Sati [7]

<u>Answer:</u> The value of x can be either 5 or 10.

<u>Step-by-step explanation:</u>

We are given:

Total profit, P = $5600

The given equation follows:

⇒ P = 600 + 1500x - 100x²

Putting value of P in above equation, we get:

⇒ -100x² + 1500x + 600 = 5600

⇒ -100x² + 1500x - 5000 = 0

⇒ 100x² - 1500x + 5000 = 0

Solving this equation by middle term split, we get:

⇒ 100(x² - 15x + 50) = 0

⇒ (x² - 10x - 5x + 50) = 0

⇒ x(x - 10) - 5(x -10) = 0

⇒ (x - 10)(x - 5) = 0

⇒ x = 10, 5

Hence, the value of x can be either 5 or 10.

8 0
3 years ago
What’s 10-8+434+87+64
attashe74 [19]
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3 years ago
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Please help me in this one!!
olga2289 [7]
A^3
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