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love history [14]
6 months ago
12

Find the distance between each pair of points (round answer to the nearest tenth if necessary)

Mathematics
2 answers:
Delvig [45]6 months ago
8 0

Answer: d=5

d=\sqrt{(7-7)^2+(-3-(-8))^2} \\d=\sqrt{(0)^2+(5)^2}\\ d=\sqrt{0+25}\\ d=\sqrt{25}\\ d=5

Step-by-step explanation: I hope this helps.

Elden [556K]6 months ago
4 0

Answer: 5

Step-by-step explanation:

(7,-8)\ \ \ \ (7,-3)\\\\L=\sqrt{(7-7)^2+(-3-(-8)^2)}\\\\L=\sqrt{0^2+(-3+8)^2} \\\\L=\sqrt{0+5^2} \\\\L=\sqrt{5^2} \\\\L=5

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The ratio in simplest form of 9ft to 15yd is????
murzikaleks [220]

Answer:

3/5 because you find what goes into each and simplify. 9/15 each divided by 3. 9/3=3 15/3=5 so 3/5 is your answer.

7 0
2 years ago
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7 0
2 years ago
What is the product?<br><br><br><br> (2x-1)(x+4)
MissTica

Answer:

2x² + 7x - 4

Step-by-step explanation:

(2x-1)(x+4)

= (2x)(x) + (2x)(4) + (-1)(x) + (-1)(4)

=2x² + 8x - x -4

=2x² + 7x - 4

4 0
2 years ago
20 POINTS !! HELPPP!! Harold worked 27 hours at a rate of $13.25 per hour. Which line in the table will help him calculate his i
wariber [46]
<span>Harold worked 27 hours at a rate of $13.25 per hour.

27 * $13.25 = $357.75 so line 2 is the answer.
</span>
5 0
2 years ago
40 POINTS QUESTION
Vesna [10]

Answer:

(First of all its 20 points not 40 but any ways) A ferris wheel has a raidus of 20 m. Passengers get on halfway up on the right side. The direction of rotation is counter clockwise. The bottom of the ferris wheel is 2 m above ground. It rotates every 36 seconds. Determine height above the ground after 15 seconds algebraically. Determine seconds to the nearest tenth when height is 38 m above the ground algebraically.

**

let t=seconds after wheel starts to rotate.

let h=meters above ground after wheel starts to rotate

..

The formula I got: h(t)=20sin(πt/18)+22

This is close to the formula you got, except I left the negative sign out since passengers start to rise after the wheel starts going counter-clockwise.

..

After 15 seconds:

h=20sin(15π/18)+22

=20sin(5π/6)+22

=20*(1/2)+22

=32 m

..

When h=38 m

38=20sin(πt/18)+22

38-22=20sin(πt/18)

20sin(πt/18)=16

sin(πt/18)=16/20=4/5=.8

arcsin(.8)=0.927

πt/18=0.927 (radians)

t=(.927*18)/π≈5.31

..

height above the ground after 15 seconds≈38 m

seconds elapsed when height is 38 m above ground≈5.3 seconds

3 0
1 year ago
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