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3 years ago

Domain:_ Range:_ Function:___

Mathematics

1 answer:

Scilla [17]3 years ago

8 0

Answer:

Domain: {-4,-2,1,3}

Range: {3,2,-1,-5}

Function: (-4,-5);(-2,-1);(-2,3);(1,2);(3,-1)

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Distributive mean to?

Rzqust [24]

Answer:

To “distribute” means to divide something or give a share or part of something.

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3 years ago

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B)simplify the expression <br> 7x2 + 4x – 2 + 8x2 – 9x – 5

konstantin123 [22]

Answer:

=25x-7

Step-by-step explanation:

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3 years ago

"Mindy has a piece of string that is 5 1/2yd long. She cuts it into pieces that are each 1/2 yd long. Solve the equation 5 1/2 =

Debora [2.8K]

Answer:

Step-by-step explanation:

Mindy has a piece of string that is 5 1/2yd long. She cuts it into pieces that are each 1/2 yd long. Solve the equation 5 1/2 = 1/2x to find out how many pieces of string, x, she gets. Show your work

6 0

2 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

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3 years ago

If joe travels 37 miles in 30 minutes, how far can he travel in 4 hours?

harkovskaia [24]

Answer:

296 miles

Step-by-step explanation:

4 hours=240 minutes

240/30=8

37*8=296

6 0

2 years ago

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Domain:___ Range:___ Function:___

Domain:_ Range:_ Function:___