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iVinArrow [24]
3 years ago
15

Test the validity of these statement "if my brother stands first in the class, i give him a watch . Either he stood first or I w

as out of the station I did not give my brother a watch this time . Therefore I was out of station.
​
Mathematics
1 answer:
marissa [1.9K]3 years ago
4 0

Answer: yeah looks logically correct

Step-by-step explanation: I he got the watch he was 1st

Fact is he didn't get the watch therefore he wasn't first

Therefore 2nd holds true also - if not first then not in station

No watch = not in station

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Kala drove 250 miles using 9 gallons of gas. at this rate how many gallons of gas would she need to drive 275 miles
Rus_ich [418]

Answer:

9.9 gallons

Step-by-step explanation:

To solve this problem, we need to cross multiply. Lets input the values (250, 275, 9) as shown below:

\frac{9}{250}  = \frac{x}{275}

Next we cross multiply. We multiply 250 and x, and we multiply 9 and 275.

250(x) = 250x\\

275(9) = 2,475

Now, lets put the values above back into the equation:

250x = 2,475

Lets solve this equation. First we divide 2,475 by 250, making x by itself.

\frac{2,475}{250} =x

9.9 = x

This means that to drive 275 miles, Kala would need to use 9.9 gallons of gas.

8 0
3 years ago
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Answer:

no \: solution

Step-by-step explanation:

1) Expand

6x - 36 - 5x + 35 = x + 6

2) Simplify 6x - 36 - 5x + 35 to x - 1.

x - 1 = x + 6

3) Cancle x on both sides.

- 1 = 6

4) Since −1 = 6 is false, there is no solution.

No Solution

Hence, this equation have no solution.

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Answer:

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Step-by-step explanation:

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