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3 years ago

150 miles in 3 hours as a unit rate

Mathematics

2 answers:

Westkost [7]3 years ago

6 0

50

you’re welcome. have a good day!

GalinKa [24]3 years ago

3 0

Answer:

Step-by-step explanation:

I think it would be 150 divided by 3 = 50

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3x-4+3x-4+7-2x+5x+5+7-2x= ?

Mila [183]

It is equal to 7x+11

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3 years ago

Read 2 more answers

Is this right? If not let me know and explain how if u can. <br><br><br> (No link <3)

vlabodo [156]

Answer:

9/35

Step-by-step explanation:

There are a total of 15 bulbs to choose from randomly. First a new bulb is chosen. Chance is 9/15 because 9 out of 15 are new.

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3 years ago

Solve for m and simplify: 30/4=m/6

Zarrin [17]

Answer:

m=45

Step-by-step explanation:

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2 years ago

Differentiate the function. f(x) = ln(25 sin^2(x))

tigry1 [53]

Use the chain rule.
Let u = 25sin²(x), such that dy/dx = dy/du · du/dx

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$\frac{dy}{dx} = \frac{2cos(x) sin(x)}{sin^{2}(x)}$

$\frac{dy}{dx} = 2cot(x)$

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3 years ago

In 1960, the population of a town was 14 thousand people. Over the course of the next 50 years, the town grew at a rate of 30 pe

andre [41]

SOLUTIONS

Given: Assume y is the population

$\begin{gathered} t=0=1960,y=14030 \\ t=1=1961,y=14060 \\ so\text{ b = 14000} \\ so\text{ k = 30} \end{gathered}$

The town grow at the rate of 30 people per year.

$y=kt+14000$ $y=30t+14000$

(A) The population predicted to be in 2030 will be

$\begin{gathered} 2030-1960=70 \\ y=30k+14000 \\ y=30(70)+14000 \\ y=2100+14000 \\ y=16100people \end{gathered}$

(B) so when y = 15000, find t

$\begin{gathered} y=15000 \\ y=30t+14000 \\ 15000=30t+14000 \\ 15000-14000=30t \\ 1000=30t \\ t=\frac{1000}{30} \\ t\approx33 \\ t=1960+33 \\ t=1993 \end{gathered}$

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5 months ago