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3 years ago

BRaInLiEsT tO fIrSt aNsWeR AND POINTS and my soul because math is more important....

Mathematics

1 answer:

Alex73 [517]3 years ago

6 0

D = 1/2 * (-16). That is your answer

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Consider the function f(x) = x^{2/3} on the interval [-1,8].

zhannawk [14.2K]

The right option is (c). The Mean Value Theorem does not apply since f(x) is not differentiable on (-1,8). Because the derivative of f is 2/3 x^(-1/3) which is undefined at x=0.So, that would imply that it is not differentiable along the interval.

5 0

3 years ago

A train from Portland, Oregon, to Los Angeles, California, travels at an average speed of 60 miles per hour and covers a distanc

seropon [69]

Answer:

The train need to leave Portland at 03:27 am

Step-by-step explanation:

step 1

Find out how long it takes the train to travel from Portland, Oregon, to Los Angeles, California

Remember that

The speed is equal to divide the distance by the time

The time is equal to divide the distance by the speed

Let

s ---> the speed in miles per hour

d ---> the distance in miles

t ---> the time in hours

$t=\frac{d}{s}$

we have

$d=963\ mi$

$s=60\ mi/h$

substitute

$t=\frac{963}{60}=16.05\ hours$

step 2

Adds 30 minutes (time it takes to get from the train station to her aunt's house)

Remember that

$30\ minutes=0.50\ hours$

$16.05+0.50=16.55\ hours$

Convert to minutes

$16.55\ h=16.55(60)\ min=993\ min$

step 3

Remember that

$8 p.m=20:00\ hrs$

Convert to minutes

$20(60)=1,200\ min$

Subtract 993 minutes from 1,200 minutes

$1,200-993=207\ min$

Convert to hours+minutes

$207\ min=207/60=3.45\ hours$

$0.45\ h=0.45(60)=27\ min$

$3\ h+27\ min$

$00:00 + 03:27=03:27\ am$

therefore

The train need to leave Portland at 03:27 am

8 0

3 years ago

27a+21 i need to solve thi problem help me

Anika [276]

That's an expression, so the only thing you can do is simplify it, but that already looks simplified.

8 0

2 years ago

1/12 the fraction divided by 30

nexus9112 [7]

1/12 ÷30 is equal to 1/360 or in decimal form is a repetitive decimal which is .2777777777777777777777....

7 0

3 years ago

Read 2 more answers

What is the scale of a map if<br> Chapter Reference <br> 1 cm on a map represents 100 km

Katarina [22]

Answer:

1:10,000,000

Step-by-step explanation:

To find, 1 km = 100,000 cm. So just multiply by that.

Hey, are you doing Russian math?

FYI I do that to

6 0

3 years ago