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3 years ago

5

your family is driving to the beach. you travel 200kilometers in the first two hour. during the next hour you stop for lunch and

only travel 25 kilometers. What is your average speed?

1 answer:

ziro4ka [17]3 years ago

4 0

Answer:

8

Step-by-step explanation:

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5+b=25<br> b=20<br> 5+20=25<br> =?

Arisa [49]

The numbers are equal. 25=25

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3 years ago

Read 2 more answers

I need help with this <br>7f + 2f - 3b + b<br><br>I can't figure it out

Leni [432]

Answer:

9f-4b

Step-by-step explanation:

you add the two fs together and you add the two bs together to get the answer

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2 years ago

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Daniel [21]

equation in slope-intercept form is:

$y=9x+7$

Step-by-step explanation:

The general form of slope-intercept form is:

$y=mx+b$

where m is the slope and b is the y-intercept

In the question we are given slope m=9 and a point(0,7)

We will find b i.e y-intercept

$y=mx+b\\7=9(0)+b\\7=0+b\\b=7$

So, value of b=7 and value of slope m=9

So, equation in slope-intercept form is:

$y=9x+7$

Keywords: slope-intercept form

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3 years ago

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igomit [66]

Follow the rules of PEMDAS:

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2 years ago

The cost for the raw materials of marble countertops, can be represented by the function , where is the area of the countertops.

Lady_Fox [76]

Answer:

$m(c(a)) = 4.8875a$

Step-by-step explanation:

The missing parameters are:

$c(a) = 4.25a$ --- Cost of marble countertops

$m(c) = 1.15c$ --- Cost of retail markup

Required

The cost of marked up price

This implies that we calculate m(c(a))

We have:

$c(a) = 4.25a$

$m(c) = 1.15c$

$m(c) = 1.15c$ can be written as:

$m(c(a)) = 1.15*c(a)$

Substitute: $c(a) = 4.25a$

$m(c(a)) = 1.15*4.25a$

$m(c(a)) = 4.8875a$

Hence, the cost of marked up price is: $m(c(a)) = 4.8875a$

5 0

2 years ago