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velikii [3]
2 years ago
11

Which equation has the correct sign on the product?

Mathematics
1 answer:
Alik [6]2 years ago
8 0

Answer:

B

Step-by-step explanation:

(+)x(-)=(-)

(-)x(-)=(+)

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Can someone plz help me with this one problem plzzzzz!!!!!
lesantik [10]

Answer:

5 = 60.    6 = 72.      8 = 96

Step-by-step explanation:

60 = 12 x 5

72 = 12 x 6

84 = 12 x 7

96 = 12 x 8

6 0
2 years ago
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What happens to the decimal point when we multiply a whole number by 100?
baherus [9]
There is a similar shortcut for multiplying decimal numbers by numbers such as 10, 100, and 1000: Move the decimal point to the right as many places as there are zeros in the factor. Move the decimal point one step to the right (10 has one zero). Move the decimal point two steps to the right (100 has two zeros).
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2 years ago
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A drop of oil makes a circular ring in a water puddle. The radius of the oil ring expands at 1.5 cm per second. If r(t)=1.5t and
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Answer:

a(t) =n(0.25t^2)

Step-by-step explanation:

Given

r(t) = 0.5t

a(r) = nr^2

Required

Determine the area in terms of time

From the question, we have:

r(t) = 0.5t -> radius per time

and

a(r) = nr^2 --> area from radius

The interpretation of the question is to find the composite function: a(t)

If a(r) = nr^2, and r(t) = 0.5t, the

Substitute 0.5t for r

a(t) =n(0.5t)^2

a(t) =n*0.25t^2

a(t) =n(0.25t^2)

5 0
2 years ago
Frank needs 3.6 meters of ribbon to wrap gifts for friends this year. If each spool contains 90 cm of ribbon,how many spools wil
erastovalidia [21]

Answer:a lot

Step-by-step explanation:

3 0
3 years ago
Tell whether the given value is a solution of the inequality.<br> x + 1 &gt; 10; x = 9
Oliga [24]

Answer:

given x+1 > 10,

x > 10 - 1

x > 9

which means x MUST BE more than 9 , which also means 9 isnt included in the inequality therefore x = 9 is not a solution.

6 0
2 years ago
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