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fomenos
2 years ago
12

Write an expression that can be used to multiply 6x198 mentally

Mathematics
2 answers:
RoseWind [281]2 years ago
8 0
 Do a mental sum for 6 x 200 (1200) then subtract 6<span>x 2 (12) to give you 1188.</span>
vagabundo [1.1K]2 years ago
7 0
(6x100)+(6x90)+(6x8)

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Simplify the expression.
Naddika [18.5K]

Answer:

3

Step-by-step explanation:

((7x-4)^2) - (7x-4)(7x-4) + 3

(7x-4)(7x-4) is 7x-4^2

So its (7x-4)^2 - (7x-4)^2 + 3

(7x-4)^2 cancel out.

Answer is 3

6 0
2 years ago
How did you fine the answer. The answer that I have is correct but how do you get to it . I need 1a 1b and 2
Anna71 [15]

1a:

580 - (580 × .1) - 20

580 - (58) - 20

522 - 20

502

1b:

990 - (990 × .25) - 20

990 - (247.5) - 20

742.5 - 20

722.5

I'm not sure how to solve #2.

6 0
3 years ago
Yall please help!!!!!! THANK YOUUU SO MUCHHH!!! Kinda lostttt
Georgia [21]

Answer:

Should be C

Step-by-step explanation:

Only the same power number can be use to add or subtract :)

But why is A, B and C same kinda stuff?

3 0
1 year ago
If you could answer both, that would be amazing:)
sveticcg [70]
The first question is “32.4”
I’ll come back if I find the other
7 0
2 years ago
Wildflower mix contains several different types of seeds.
Sveta_85 [38]
The chance would be 9.52% (rounded) because you would take the total number of seeds (63) and divide the number of poppy seeds by the total.
Then you would convert decimal fraction by multiplying it by 10.
6 0
2 years ago
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