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netineya [11]
3 years ago
10

Use the distributive property to simplify 45c+10d

Mathematics
1 answer:
Serggg [28]3 years ago
7 0
I think this is correct:
5(9c + 2d)
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A pipe is 18 feet long. It needs to be cut into pieces that are each 2/3 feet long. How many pieces can be made from the pipe?
Amiraneli [1.4K]
2/3 = (approximately) 0.667
18 divided by 2/3 is approximately 26.98.
So, 27 pieces can be made.
3 0
4 years ago
Read 2 more answers
I’m stuck I need help
arlik [135]

Answer:

X=6

Step-by-step explanation:

First step isolate the variable;2x=12

Simplify;x=12/2=6

8 0
3 years ago
Help me please it hardddd
iogann1982 [59]

There are a total 40 cars

and there is x yellow cars

and there are nine times as much white cars (9x white cars) lol

so x+9x=40

simplify 10x=40

divide both sides by ten 10x/10=40/10

x=4

we are looking for the number of WHITE cars sooo we multiply by 9-

9x=36

how is this "hardddd" no offence*

sorry im a mean person


3 0
3 years ago
Hiro painted his room. After 3333 hours of painting at a rate of 8888 square meters per hour, he had 28282828 square meters left
lorasvet [3.4K]

Answer:

y = 52 - 8x

Step-by-step explanation:

If he painted for 3 hours at a rate of 8 square meters per hour, the area painted was:

A_P=8*3=24\ m^2

If after 24 squared meters painted, there are still 28 left, the total area is:

A=24+28 = 52\ m^2

The area still left to paint is initially 52 squared meters and decreases at a rate of 8 square meters per hour, the function that describes the relationship between the area left to paint (y) and number of hours (x) is:

y = 52 - 8x

6 0
3 years ago
Ricky can ride 17 km on his bike in the same length of time ha can walk 9 km.if his riding speed is 4 kph faster than his walkin
aivan3 [116]
Distance=speed times time
if they take the same time, we cal the time , t

b=bike speed
w=walking speed

bikedistnace=17=bt
walkdistance=9=wt

b is 4 more than w
b=4+w

we have
17=bt
9=wt
b=4w

ok so
multiply first equation by 9 and 2nd by 17

153=9bt
153=17wt
set equal
9bt=17wt
divide both sides by t
9b=17w
sub b=4+w for b
9(4+w)=17w
distribute
36+9w=17w
minus 9w both sides
36=8w
divide both sides by 8
4.5=w

he walks 4.5kph
5 0
3 years ago
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