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lesya [120]
3 years ago
7

Will mark BRAINLIEST and give 5 stars

Mathematics
1 answer:
JulsSmile [24]3 years ago
3 0

Answer:

364

Step-by-step explanation:

Hope this helps.

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Consider the expressions 3x(x − 2) + 2 and 2x2 + 3x − 18.
Rzqust [24]

Answer:

See answer below

Step-by-step explanation:

For the first expression

3 x (x - 2) + 2 = 3 x^2 - 6 x + 2

evaluated at x= 4 we get: 26

and for x = 5 we get 47.

For the second expression

2 x^2 + 3 x - 18

we get the exact same values when doing the evaluation at these two points.

Based on those results, one may think the expressions may be equivalent, but they are not equivalent. Because at any other x-value, their results are different. See for example that for x = 0 the first one gives "2" while the second one gives -18.

4 0
2 years ago
Oscar bought 15 gallons of water at $1.98 per gallon. He wants to divide this water in bottles of 1/8 gallon each. What is the c
Licemer1 [7]

Answer:

Step-by-step explanation:

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2 years ago
If a = 2.4 units, b = 4 units, c = 6 units, and d = 8 units, what is the volume of the two prisms? plzzzzzzzzzzzzzzzzzzzzz helpp
HACTEHA [7]

Answer:

The answer would be

99.2

7 0
3 years ago
Question 1 of the final test I know its alot
iren2701 [21]

it would be 15

Step-by-step explanation:

6 0
3 years ago
Why isnt 1953125 a square number
lesya [120]

Answer:

Since the question is why 1953125 is not a square number, you don’t need a test for perfect squares, you only need something that shows this particular number is not a perfect square.

One starting test for showing a number will NOT be a perfect square is to use “casting out 9’s”. Remove any digits that are 9 or that add up to 9.

Thus: 1953125 becomes 153125 (removing 9) which then becomes 125 since 1+5+3=9. [OR: 53, since 1+1+2+5 = 9] [OR: 35]

(Note that you can repeat the whole process until you have cast out all 9s.)

Examine the number that is left. If it is not a perfect square, then the original number cannot be a perfect square.

125 is not a perfect square [nor is 53 or 35], so 1953125 cannot be a perfect square.

7 0
3 years ago
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