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nikklg [1K]
3 years ago
6

Please help with this question, please! I don't understand it....

Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer:

The third option is correct:   5.7 units,  M(7, 5, 2.5).

Step-by-step explanation:

The distance is  √ [(9-5)^2 + (7-3)^2 + (3-2)^2 ]

= √ (16 + 16 + 1)

= √33

= 5.7.

The mid point = (9+5)/2 , (7+3)/2, (3+2)/2

= (7, 5, 2.5).

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Answer: The forty second president of the United States was Bill Clinton.

8 0
3 years ago
A car starts from an initial velocity of 10m/s and accelerates at 2.5m/s².how long will it take the car to reach a speed of 40m/
PIT_PIT [208]
A=(v-u)/t
We know a=2.5, v=40, u=10, so:
2.5=(40-10)/t
2.5t=40-10
2.5t=30
Divide both sides by 2.5
t=12 It takes 12 seconds for the car to reach 40m/s

To find out how far it went, you do:
d=v+1/2 at^2
d=10+1/2(2.5)(12)^2
d=10+1/2(2.5)(144)
d=10+(1.25)(72)
d=10+90
d=100m

Hope this helps :)
7 0
3 years ago
Which angle is a reflex angle? A. An angle measuring 105 . An angle measuring 185 degrees . An angle measuring 65 D. An angle me
son4ous [18]

Answer:

an angle greater than 180° and less than 360°.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Tim has a box of 15 markers. He gives 3 markers each to 4 friends. What expression can show the number of markers Tim has left?
Nina [5.8K]
15-(4x3) =3 , idk how to explain it but the answers 3 for sure
7 0
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-3-4(4x-8)=3(-8x-1) I will give BRAINLIEST! show all steps please :(
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Step-by-step explanation:

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3 years ago
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