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Elis [28]
3 years ago
12

Help me out please simple 8th grade math.

Mathematics
1 answer:
galben [10]3 years ago
6 0
X-3
The blank is minus 3
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What value of n solves the equation <br><br> 3n=1/81<br><br> N=___
Radda [10]

3n = 1/81; divide both sides by 3 to isolate n:


3n/3 = 1/81 divided by 3. Remember that when you divide, you use the reciprocal and multiply instead!!


n = 1/81(1/3) = 1/243. Now plug 1/243 back in for n, and 3/243 is equivalent to 1/81

7 0
3 years ago
Two sides of a rectangle are the same length, r. The other two sides are each 4 meters.
exis [7]

Answer:

4 times 4 plus 10

Step-by-step explanation:

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( 8 times 2 ) plus ( 5 times 2 )

and

( 5 plus 5 ) plus 16

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5 0
3 years ago
Write a linear equation from the ordered pair (-2,8)
OlgaM077 [116]
The equation of a line that goes through the point (x1,y1) and has a slope of m is
y-y1=m(x-x1)

so, given the point (-2,8)
x1=-2
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y-8=m(x-(-2))
y-8=m(x+2)
the equation is y-8=m(x+2) where m is the slope
or you could rewrite it to get y=mx+2m+8

4 0
3 years ago
Can you teach me how to do these?? plzaa
Nitella [24]
If we are simplifying, ⅜ ab³a⁴ is
⅜a^5b³. when multiplying like bases you add exponents

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8 0
3 years ago
Read 2 more answers
What is 0.92 / 7 as a speed
BigorU [14]

Answer:

The answer is 0.13.

Step-by-step explanation:

The formula for speed is distance divided by time. 0.92 / 7 = 0.13.

5 0
3 years ago
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