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IceJOKER [234]
4 years ago
14

Identify properties used in each step

Mathematics
1 answer:
mixas84 [53]4 years ago
5 0

What steps?

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The level of a lake was 8 inches below normal. It decreased 1
solmaris [256]

Answer:

-9\dfrac{5}{8} inches.

Step-by-step explanation:

The level of a lake was 8 inches below normal.

Now, it is given that the water level decreases 1\dfrac{1}{4} = 1.25 inches in June and 2\dfrac{3}{8} =2.375 inches more in July.

Therefore, the new level of water with respect to the normal level will be  

= - 8 - 1.25 - 2.375  

= - 9.625 inches

= -9\dfrac{5}{8} inches. (Answer)

4 0
3 years ago
Standard form of 10-⁹
zavuch27 [327]

Answer: 1/1000000000

Step-by-step explanation:

5 0
3 years ago
Which expression is equivalent to 1/3(12x+6x-21)
marin [14]

Answer:

6x-7

Step-by-step explanation:

\frac{1}{3} (12x + 6x -21)

break it into pieces

\frac{1}{3}*12x = 4x

\frac{1}{3}*6x=2x

\frac{1}{3} *-21=-7

put it all together

*since there's no negative in front  of the other numbers except 7 they're positive so you add them*

4x + 2x - 7

simplify

6x - 7

4 0
3 years ago
A hiker leaves camp and hikes 9 miles north and than hikes 7 miles east. What is the resulting displacement of the hiker?
lora16 [44]
(7, 9). the reason for this, is because on an x y coordinate plane, x first, then y second. east is positive, north is positive, therefore it is (7, 9)
6 0
3 years ago
May someone please help?
Vikki [24]
What do u need help on??
8 0
3 years ago
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