3 years ago

What is the slope of a horizontal line?

1 answer:

8 0

Answer:

Slope of a horizontal line. When two points have the same y-value, it means they lie on a horizontal line. The slope of such a line is 0, and you will also find this by using the slope formula.

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The point (1,1) is the image under the translation (x,y)-> (x+3,y-3). What is the preimage of this point?

wel

Answer:

(-2,4)

Step-by-step explanation:

$\text{pre-image}->\text{image}$

$(x,y)->(x+3,y-3)$

$(x,y)->(1,1)$

This implies $(x+3,y-3)=(1,1)$ .

This means $x+3=1$ and $y-3=1$ .

Subtract 3 on both sides for first equation: $x=1-3=-2$ .

Add 3 on both sides for the second equation: $y=1+3=4$ .

So the pre-image (x,y) is (-2,4) if the image is (1,1).

Let's check:

$(x,y)->(x+3,y-3)$

$(-2,4)->(-2+3,4-3)$

$(-2,4)->(1,1)$

So the solution has been checked and verified.

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3 years ago

The first train leaves the station at 6:15 a m. The second train leaves at 6:55 am. How much does the sec ond train leave the st

Alekssandra [29.7K]

Answer: 40

Step-by-step explanation:

second train leaves 40 minutes after

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3 years ago

chelsey needs 18 3/4 grams of chemical x for a science project she found 5 1/2 grams in one container and 11 1/4 grams in anothe

andrew11 [14]

Answer: C=2

Step-by-step explanation:

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3 years ago

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Write the expression fourteen added to the product of seven and a number

victus00 [196]

Answer:

(7×x)+14

Step-by-step explanation: Because we have 14 added to something, we will need a + to whatever we are adding to. The product of 7 and a number is 7×x because product is the number you get after multiplication. So we get 7×x+14. You dont need parenthesis

Hope this helps!

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3 years ago

• The average cow drinks 168 quarts of water each day. Given that there

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42 gallons. This is because there are 4 quarts in a gallon and 168/4=42

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3 years ago