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3 years ago

7

A car travelling at a constant speed covers 585 km in 9 hours. In how much time will it cover in 520 km? I want the answer in di

rect or inverse proportion.

1 answer:

Evgesh-ka [11]3 years ago

4 0

Answer:

It took eight hours to travel 520km

Step-by-step explanation:

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How to write two collum proofs

sveta [45]

Answer:

When writing your own two-column proof, keep these things in mind:

Number each step.

Start with the given information.

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Draw a picture and mark it with the given information.

You must have a reason for EVERY statement.

Step-by-step explanation:

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3 years ago

svetoff [14.1K]

Yes, they will equal each other because the question says that the line is the perpendicular bisector of JK.
So,
25x-18=13x+90
12x=108
x=9
Now to find the length of JK, do 25(9)-18+13(9)+90
The answer is 414.

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3 years ago

Please help is for now

telo118 [61]

Answer:

$2$

Step-by-step explanation:

Given:

$-2(1-4x)=3x+8$

Let's distribute the parenthesis

$-2+8x=3x+8$

Let's subtract $-3x$ from both sides

$-2+5x=8$

Let's add $2$ to both sides

$5x=10$

Now, let's divide both sides by $5$ to get $x$ alone

$x=2$

Hope this is helpful

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I hope one of these can help you find what you need

Step-by-step explanation:

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3 years ago