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ra1l [238]
3 years ago
9

How do the expressions 4(3+x) and (3+3+3+3) + (x+x+x+x) compare to one another

Mathematics
2 answers:
valina [46]3 years ago
6 0

Answer:

Well they represent the same answer as the second expression is the distributive property of the first expression.

Step-by-step explanation:

4(3+x) is basically 4 • (3+x)since we are working with addition and multiplication you can use the distributive property. That can be written out as (4•3) + (4•x). If you wanted to simplify it even more then it could be written as (3+3+3+3) + (x+x+x+x)

Dafna1 [17]3 years ago
3 0

Answer:

Step-by-step explanation:

If we expand 4(3+x), we get (4*3)+(4*x).

Then we do 4*3 to get 12 and 4*x to get 4x

(3+3+3+3) is the same thing as 4*3, because we are adding 3 together 4 times. (3+3+3+3) gives us 12 as well, since they are the same thing.

(x+x+x+x) is the same thing because we are adding x together 4 times, which is the same thing as (4*x). (x+x+x+x) gives us 4x as well.

Hope this helps.

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Answer:

D

Step-by-step explanation:

I think 'D' will be the correct answer for you!

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Please assist me with these problems and show the work: Part 2 6. The angle of elevation of the sun is 68° when a tree casts a s
Novay_Z [31]

Answer:  6) 35 meters        7) Ф = 10°

<u>Step-by-step explanation:</u>

6.\quad \tan\ 68^o=\dfrac{x}{14.3}\\\\\\.\quad 14.3 \tan\ 68^o=x\\\\.\quad 35\ meters =x

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3 0
4 years ago
Read 2 more answers
Find the product: -4/9 and -3/8
NNADVOKAT [17]

Answer:

1/6

Step-by-step explanation:

-4/9 * (-3/8) =

= 12/72

= 1/6

6 0
3 years ago
Read 2 more answers
Help me Plz I’m stuck
spin [16.1K]

Answer:

Use all the given information:

<em>Price of a slice in $ -</em><em>  x</em>

<em>Number of slices-  </em><em>3</em>

<em>Total cost of  slices-</em><em>  3x</em>

<em />

<em>Price of chopped cheese in $- </em><em> 2+x</em>

<em>Number of chopped cheeses-</em><em>  4</em>

<em>Total cost of chopped cheeses-</em><em>  8+4x</em>

<em />

<em>Total cost-  </em><em>7x+8</em>

<em />

Step-by-step explanation:

We are told that the price of a slice is x and that Dashaun bought 3 slices.

So to find the total amount paid for slices, multiply the price by the number of slices:

3*x=3x

We are told that the price of chopped cheese is $2 more than a slice. Use y as the cost for chopped cheese:

y=2+x

Dashaun bought 4 chopped cheeses.

To find the total cost of chopped cheeses bought, multiply the cost per cheese by the amount of cheese purchased:

4y

Insert the value of y:

4(2+x)

Use the distributive property:

8+4x

This is the total cost for the chopped cheeses.

To find the total of lunch, add the prices for the slices and cheeses together:

T=3x+8+4x\\\\T=7x+8

The total cost for lunch is <em>7x+8</em>

:Done

4 0
3 years ago
Tom earned $72 walking dogs for 6 hours. How many total hours will it take tom to earn $96 in all? Solve using unit rates
slava [35]

Answer:

8 hours

Step-by-step explanation:

Step one:

Given data

Tom earned $72 walking dogs for 6 hours

amount earned = $72

time taken = 6 hours

Required

The time taken to earn $96

Step two:

let us find the unit rate of his earning

unit rate = 72/6

= 12 per hour

 

In 1 hour Tom earns $12

in x hours he will earn $96

cross multiply we have

96*1= 12x

divide both sides by 12

x= 96/12

x=8 hours

3 0
3 years ago
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