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Varvara68 [4.7K]
2 years ago
11

Write the sum, and then write an equivalent expression by collecting like terms and removing parentheses whenever possible.

Mathematics
1 answer:
Yanka [14]2 years ago
4 0

Answer:

The sum is t.

Step-by-step explanation:

Consider the provided information.

The given expression are - 10t and t - 10t

We need to find the sum of the opposite of -10 t and t - 10t.

The opposite of -10 t is 10 t.

10t+(t-10t)

Remove the parenthesis.

10t+t-10t

Simplify the number

10t-10t+t

Use Additive inverse.

t

Hence, the sum is t.

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The price of a dress is Reduced 60% when the dress still does not sell it is reduced by 60% of the price if the price of the dre
raketka [301]

Answer:

$500

Step-by-step explanation:

let x = price of the dress before reductions

If the price is reduced by 60%, the price would be (100% - 60%) = 40%

Price after first reduction=  0.4x

Price after second reduction = 0.4(0.4x)

0.16x = $80

Divide both sides by 0.16

x = $500

6 0
2 years ago
A group of farmers had to plough 112 acres of land per day. Exceeding the schedule by 8 acres per day, the farmers finished plow
mihalych1998 [28]

The farmers had to plough a total of 1,456 acres of land.

Step-by-step explanation:

Step 1; The group of farmers ploughed at a rate of 112 acres of land a day which was 8 acres more than schedule.

Scheduled rate = 112 acres per day - 8 acres = 104 acres per day.

So the farmers were supposed to plough 104 acres a day according to schedule.

Step 2; If the farmers finished a day earlier, it means they had to have completed ploughing 104 acres extra by doing an extra 8 acres a day.

So days took to complete ploughing = \frac{104}{8} = 13 days.

So in 13 days, they should have ploughed 13 × 104 = 1,352 acres but due to their increased rate, they ploughed 13 × 112 = 1,456 acres in 13 days.

Difference in acres ploughed = 1,456 - 1,352 = 104 acres.

So the farmers ploughed 1,456 acres in 13 days.

3 0
3 years ago
WILL MARK BRAINLYIST <br> what is the top length of the missing piece
34kurt

Answer:

4 1/2

Step-by-step explanation:

6--------1/2

   /\

 4 1/2

7 0
2 years ago
The graph shows the function f(x).
strojnjashka [21]
-2 that's the answers
4 0
2 years ago
Find the solution of this system of equations 2x-4y=32 <br> 2x-8y=48
EleoNora [17]
2x - 4y = 32
2x - 8y = 48

2x - 2x - 4x - (-8y) = 32 - 48

4x = -16
x = -16 ÷ 4
x = -4

substitute your value of x into any of the original equations

2 (-4) - 4y = 32

-8 - 4y = 32

-4y = 32 + 8

-4y = 40
y = 40 ÷ -4
y = -10
6 0
3 years ago
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