3 years ago

How do i write proofs like this?

Mathematics

1 answer:

kirill115 [55]3 years ago

7 0

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-5x– 8< -53 and -63 < -5x – 8

baherus [9]

Answer:

x>9 and x<11

Step-by-step explanation:

7 0

3 years ago

On a map, the distance between two towns is 3.4 inches. The map scale is 2 inches: 25 miles. What is the actual distance between

Mariulka [41]

For this question we can solve it by setting up a proportion:

$\frac{2inches}{25 miles}= \frac{3.4inches}{x}$

Now we can solve for x to find the total distance between the towns. Let's cross multiply and solve for x:

$2x=85$
$x=42.5miles$

So now we know that the total distance between the towns is 42.5 miles.

4 0

3 years ago

What is the drawing an example of?

Ray Of Light [21]

Answer:

Parallel Lines

Step-by-step explanation:

This drawing below represent parallel lines. We know these are parallel because they are marked with "feathers": those triangle looking things. They have to have the same amount of feathers to be parallel.

Hope this helped!

3 0

3 years ago

Can anyone answer this?

e-lub [12.9K]

I think the correct answer is :D

3 0

3 years ago

Solve for x and show all of your steps.<br> 3x - 20 - 4x = 4x - (3x - 2)

snow_tiger [21]

Answer: x = -11

Step-By-Step:
We can start by combining like terms on the left side.
-20 - x = 4x - (3x - 2)
Now we need to distribute the negative on the right side.
-20 - x = 4x - 3x + 2
Now combine like terms on the right.
-20 - x = x + 2
Now add 20 to the other side
- x = x + 22
Subtract x from the left side.
-2x = 22
Now divide by -2.
x = -11

6 0

3 years ago

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