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const2013 [10]
3 years ago
7

Help please, I need it!!!!!!!!

Mathematics
1 answer:
Vadim26 [7]3 years ago
3 0

Answer:

12+ (-6) + (-2)

Step-by-step explanation:

Take the amount of money she started with and subtract the purchases

12 - 6 -2

If we want to use addition, add the opposite

12+ (-6) + (-2)

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If 2^2x = 2^3, what is the value of x?
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x = 2

Step-by-step explanation:

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you have a part time job. you work 3 hours on friday and 6 hours on saturday. you also receive an allowance of $20 per a week. y
klemol [59]
$92/week is the amount of money you gained from work combined with your $20/week allowance money. 

92 - 20 = 72 (total money made per week subtract allowance money leaves money made from work)
Thus, you make $72/week at your part time job.

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8 0
3 years ago
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4 0
3 years ago
The ideal width of a safety belt strap for a certain automobile is 5 cm. An actual width can vary by at most 0.35 cm. Write and
notsponge [240]

Answer:

4.65\leq x\leq 5.35

Step-by-step explanation:

Let the actual width of belt be x

we are given that the ideal width of safety belt strap is 5 cm

So, Difference between actual and ideal = (x-5)cm

We are also given that An actual width can vary by at most 0.35 cm.

So, The difference between actual and ideal width should be less than or equal to 0.35 cm

So, |x-5|\leq 0.35

We know

x-5\leq 0.35 and x-5\geq -0.35

x\leq 0.35+5 and x\geq -0.35+5

x\leq 5.35 and x\geq 4.65

So, 4.65\leq x\leq 5.35

Hence the range of acceptable widths is 4.65\leq x\leq 5.35

8 0
4 years ago
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