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Anettt [7]
3 years ago
12

Think about how you can use absolute value notation to express the distance between two points on a coordinate graph. For each p

air of points below, find the distance between the given points and express your work using absolute value symbols. Show your work.
(4, 9) and ( –5, 9)
(7, –1) and (7, –4)
(0, 9) and (0, –7)
(4, –8) and (–10, –8)
Mathematics
1 answer:
vagabundo [1.1K]3 years ago
8 0

Answer:

(4, 9) and (-10, -8)

Step-by-step explanation:

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Ivanna drove 420 miles using 18 gallons of gas. At this rate, how many gallons of gas would she need to drive 357 miles?
Nata [24]

Answer:

15.3 GAL.

Step-by-step explanation:

8 0
2 years ago
Which of the following is a solution of x2 + 4x + 25?
blondinia [14]
Solve for x:
x^2 + 4 x + 25 = 0     I ssume that's the notation.
Subtract 25 from both sides:
x^2 + 4 x = -25
Add 4 to both sides:
x^2 + 4 x + 4 = -21
Write the left hand side as a square:
(x + 2)^2 = -21
Take the square root of both sides:
x + 2 = i sqrt(21) or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
x = i sqrt(21) - 2 or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
Answer: x = i sqrt(21) - 2 or x = -i sqrt(21) - 2
5 0
3 years ago
Find the product in its simplest form<br><br> 2/5 * 3/7
Mamont248 [21]

Answer:

6/35

Step-by-step explanation:

I just used my calculator...

6 0
2 years ago
Read 2 more answers
A decagon with points labeled a through j clockwise. point a is the top left point. if this regular decagon is rotated countercl
serg [7]

The e vertex of the decagon will be in the top position after rotating it counterclockwise by 3 times the smallest angle of rotation.

Which vertex will be in the top position of the regular decagon?

A regular decagon has 10 sides of equal lengths with points labeled 'a' through 'j' clockwise. It is given that the point a is the top-left point. Hence, the the vertex which is in the the top position currently is 'b'.

Now, the smallest angle of rotation will be the angle between the two sides of the decagon.

In the first rotation by the smallest angle in counterclockwise direction, point 'c' will come to the top position. In the second rotation by the smallest angle in counterclockwise direction,  point 'd' point will become the top most vertex. Finally, after the third similar rotation, 'e' vertex will be in the top position of the decagon. (Refer the attached diagram)

Learn more about decagon here:

brainly.com/question/27314677

#SPJ4

5 0
2 years ago
Read 2 more answers
Why is 210 divided by 30 the same as 21 tens divided by 3 tens
sveta [45]

Answer:

It is by definition.  210 means 21 tens or 21 * 10.  30 means 3 tens or 3*10.

Since there is a ten on the top and bottom of the divisor 210/30 is also the same thing as 21/3. All of which is 7 and all of which is true by definition.

Step-by-step explanation:

6 0
3 years ago
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