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2 years ago

Simplify c+c+7+5c-3-6c. Help

Mathematics

2 answers:

hammer [34]2 years ago

5 0

Answer:

c+4

Step-by-step explanation:

scZoUnD [109]2 years ago

3 0

Answer:

c + c + 7 + 5c - 3 - 6c equals c + 4

Step-by-step explanation:

Just trust me on this one. Have a nice day!

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Dennis got 85 percent of the questions on the math test correct, which was out of 40. what was his actual mark?

makkiz [27]

Answer:

34/40

Step-by-step explanation:

85/100 cross multiply x/40

100x/100=3400/100

x=3400/100

3400/100=34

x=34

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(Sorry about my handwriting)

Hope this helps!! :)

Stay safe and have a wonderful day/night!!!!!

Brainliest?!?!

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3 years ago

A piece of wire is 7/8m long broke into two piece one piece is 1/4 m long how long is the other one ?

hjlf

Answer: 5/8m

Step-by-step explanation:

From the question, we are informed that a piece of wire is 7/8m long and broken into two piece. We are further told that one piece is 1/4 m long.

The length of the other piece of wire would be calculated as:

= 7/8 - 1/4

= 7/8 - 2/8

= 5/8m

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2 years ago

Can someone give an explaination please<br><br>

iren [92.7K]

Answer:

x ≥ -3

x ≤ 3

Step-by-step explanation:

For the first inequality, just add 3 to both sides.

For the second inequality, add 4 to both sides then divide both sides by 3.

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2 years ago

Which is the greater than or less than sign I cannot remember it is confusing sorry if you help thank you!

iVinArrow [24]

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3 years ago

Read 2 more answers

David charges $4 to wash all the windows of a car, inside and out. The amount of money he earns washing the windows must end in

nordsb [41]

Answer:

The possible digits are : 0, 2, 6, 4, 8

Step-by-step explanation:

Money charged by David to wash the windows of a car = $4

Let total number of cars he washed be x

Now, Total money earned by washing windows of a car = Money charged for washing all windows of one car × Total number of cars washed

⇒ Total money earned = 4 × x

So, the amount will always end in the digits which comes at the end of multiples of 4 because the amount will be always in the multiples of 4

⇒ 4 × 1 = 4 , 4 × 2 = 8 , 4 × 3 = 12 , 4 × 4 = 16 , 4 × 5 = 20 ......

So, the possible digits are : 0, 2, 6, 4, 8

4 0

3 years ago