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GREYUIT [131]
4 years ago
6

Examine the steps used to solve the equation.

Mathematics
2 answers:
Elina [12.6K]4 years ago
6 0

Answer:

see below

Step-by-step explanation:

12.5x − 10.2 = 3(2.5x + 4.2) - 6  

Use the distributive property to distribute the 3

12.5x − 10.2 = 7.5x + 12.6 − 6  

Combine like terms

12.5x − 10.2 = 7.5x + 6.6  

Add 10.2 to each side of the equation by using the addition property of equality

12.5x = 7.5x + 16.8

Subtraction 7.5x from each side of the equation by using the subtraction property of equality

5x = 16.8  

Divide by 5 on each side by using the division property of equality

x = 3.36

liberstina [14]4 years ago
5 0

Answer:

Step 1 distributive property

Step 2 combining like terms

Step 3 addition property

Step 4 subtraction property

Step 5 division property

Step-by-step explanation:

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Ella is going to drive from her house to city a without stopping. Ella’s house is 100 miles from city a and after driving three
aleksley [76]
Answer:
d = 100 - 25t

Step-by-step explanation:

Let's use basic logic here.
If we are 100 miles away from a place, and we've got 25 miles to go, we've already travelled 75 miles.
Since we've travelled 75 miles in 3 hours, then we travel at a rate of 75 divided by 3 = 25 miles per hour.

The distance to City A will be represented as 100 - miles already travelled. We can find how many miles have been travelled by multiplying 25 by t, the amount of hours we've spent driving.

This creates the equation d = 100 - 25t
Hope this helped!
8 0
3 years ago
Basil wants to buy his mother a gift and a gift bag. He bought her a pretty sweater for $38. How much can he spend on a gift bag
blondinia [14]
$4 because 42-38 = 4
4 0
4 years ago
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A new model of a cell phone was released while the original model was still being sold. The average number of the original model
Rufina [12.5K]

Answer:

2750 x (1 - 0.21)ˣ

Step-by-step explanation:

Original: 2750

1st week after: 2750 x (1 - 0.21)

2nd weeks after: 2750 x (1 - 0.21) x (1 - 0.21) = 2750 x (1 - 0.21)²

x weeks after:  2750 x (1 - 0.21)ˣ

8 0
4 years ago
If 1 lb of avacados is 22 pesos, how much does .45 lb cost
Artist 52 [7]
Hello

45 x 22 = 990 pesos
7 0
3 years ago
Ok ik but i need help with this i think i got it tho -275=2x -50
Zinaida [17]

Answer:

-112.5

Step-by-step explanation:

2x - 50 = -275

2x = -225

x = - 112.5

5 0
4 years ago
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