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Vlad [161]
2 years ago
10

Please help i need help

Mathematics
2 answers:
inna [77]2 years ago
5 0

Answer:

The answer simplified is -6

Step-by-step explanation:

Anni [7]2 years ago
4 0
You answer would be -6
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In a fitness program, Pedro does 20 sit-ups on the first day, and increases this by 2 sit-ups everyday. Determine the day when t
Fittoniya [83]

Answer:

day 540

Step-by-step explanation:

He increases his number of situps by 2 each day meaning on day 1 he'd do 2 extra, on day 2 he'd do 4 extra, on day he'd do 6 extra etc. We can show this by saying +2x where x is the day he is on.  Then since he started with 20 we have to add 20 so it would be 20+2x.  We want to know what day it is when he does 1100 situps so we can set our equation equal to 1100 and solve for X which is the day it would be.

20+2x=1100

2x=1080

I hope this helps and please don't hesitate to ask if there is anything still unclear!

x=540

5 0
3 years ago
((Please help this is due today, and i dont have much time~! I WILL GIVE BRAINLIEST))
Drupady [299]

Answer:

3 is the value of X.

4 0
3 years ago
A bag has ten marbles in it.Three of them are green one of them is red four of them are yellow and two of them are blue.If one m
nikitadnepr [17]
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4 0
3 years ago
Question 15 (1 point)
yawa3891 [41]

Answer:

B) Variable Expense

Step-by-step explanation:

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8 0
3 years ago
the length of a rectangle is 4 feet longer than twice the width of the same rectangle. if the perimeter of the rectangle is 68 f
Rom4ik [11]

Represent the length and width by L and W.  Then L = W + 4.

Using the perimeter formula:  P = 2L + 2W = 68 ft = 2W) + 2(W+4).

Solve for W:  68 = 2W + 2W + 8, or 4W = 60.  Thus, W = 15 and L = 19.

The dimensions of the rectangle are 15 by 19 feet.

4 0
3 years ago
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