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3 years ago

14

Michelle has 21 ⅙ cups of flour in a container. She uses 6 ⅚ cups of flour to make 5 loaves of bread. How much flour does Michel

le have left in the container?

1 answer:

Bezzdna [24]3 years ago

7 0

It should be about -13 cups

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A motorboat covers the distance from one pier to the other pier in 4 hours and the way back in 5 hours. What is the speed of the

aleksklad [387]

R = speed in still water
r + c = speed with current
r - c = speed against current

3.5(r + c) = 70
r + c = 20
c = 20 - r

4(r + c) = distance from pier to pier
5(r - c) = distance from pier to pier
4(r + c) = 5(r - c)
4(r + 20 - r) = 5(r - 20 + r)
80 = 10r - 100
180 = 10r
18 = r
The speed in still water is 18 km/hour

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3 years ago

What is...<br><br> 7 4/7 + 14 4/5<br> Thank you so much!

SCORPION-xisa [38]

$7+4/7+14+4/5$
$=7+14+4/7+4/5$
$=21+(4*7+4*5)/35$
$=21+48/35$
$=22+13/35$
$=22\frac{13}{35}$

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3 years ago

Please help <br> What is the slope of a line that is parallel to the line shown?

9966 [12]

4/6 and (0,1) is the answers

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3 years ago

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Strike441 [17]

Answer:

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

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3 years ago