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EastWind [94]
3 years ago
12

Solve the equation | z - 12 = 9

Mathematics
2 answers:
MariettaO [177]3 years ago
4 0

Answer:

21

Step-by-step explanation:

21-12=9

Ksenya-84 [330]3 years ago
3 0

Answer:

z - 12 = 9

z = 9+12

z=21

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Marcia bought a 50 foot roll she used two 8 and 5/6 how much if left​
inna [77]

Answer:

vvvvv

Step-by-step explanation:

I suspect two 8 means 8x2, but if it means 2+8, I'll add another answer.

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8 0
3 years ago
ASAP!!! Pls help me out :(
mr_godi [17]

The answer you are looking for is B. 70.69

3 0
3 years ago
Read 2 more answers
A box has a volume of 546cm3 and a surface area of 422cm2. What are the Length, Width and Height?
Klio2033 [76]
We know that the formula for the volume of a box is:

V =lwh

Where:
l = length
w = width
h = height

The formula of the surface area of a box is:
SA=2(lw+lh+wh)

Based on the given we know the following:
546cm^{3} =lwh

and

422cm^{2}=2(lw+lh+wh)

If we factor out the given volume, you can come up with 3 numbers that will satisfy the surface area formula:

546=6*7*13

Let:
l = 6cm
w = 7cm
h = 13cm
     
Now let's try this on the surface area formula:
422cm^{2}=2(lw+lh+wh)
422cm^{2}=2((6cm*7cm)+(6cm*13cm)+(7cm*13cm))
422cm^{2}=2(42cm^{2}+79cm^{2}+91cm^{2})
422cm^{2}=2(211cm^{2})
422cm^{2}=422cm^{2}

The answer is then:
l = 6cm
w = 7cm
h = 13cm

Any order would be fine.
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PART A :
A,B,C,D
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PART B:
A and B
They are equally likely to occur because both of them have a portion of 90 degrees.
Hopefully my answer helped :)
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3 years ago
Which situation represents the greatest percent of change?
ra1l [238]
The answer is B!!!!!
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3 years ago
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