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gregori [183]
3 years ago
11

Write a expression that can be used to multiply 6x198

Mathematics
1 answer:
nydimaria [60]3 years ago
8 0

In this problem, we are asked to give an expression that can be used to mentally multiply 6 and 198. In order not to go through the rigorous multiplication, we can estimate 198 to 200, that is 6 *200 equal to 1200. Since there is a 2*6 excess or 12 then we subtract: 1200 -12 equal to 1188.

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8 0
3 years ago
What is the surface area of this figure?
Rus_ich [418]
To do this problem, you need to add together all of the faces!

These are all the faces

A = 8*6
B = 8*6
C = 6*6
D = 6*6
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G = 14*14 - 8*6
H = 14*14 - 8*6

Adding them all together would get you:

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I hope this helps!


4 0
3 years ago
An American car travels 32 miles on one gallon of gas. A European car travels 12.7 kilometers on one liter of gas. Which car get
morpeh [17]
American car

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European car

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The American car gets better mileage.
6 0
4 years ago
A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function?
Lera25 [3.4K]
I would say the third one. Plug in the x values:

y = -9/3

-9/3 = -3

y = -3

(-9, -3)

The equation is true.
5 0
3 years ago
Read 2 more answers
Sara says, "If you subtract 19 from my number and multiply the difference by - 2, the result is -4."
denis-greek [22]
Her number is 27, I hope
8 0
3 years ago
Read 2 more answers
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