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Ymorist [56]
2 years ago
15

Point B lies on Ac between A and C if AB=3 and AC=14 find BC Please help

Mathematics
1 answer:
vovangra [49]2 years ago
6 0
1000000.6 because I need sum points cuhhhhh
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Dale drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took hours. When Dale drove hom
IrinaK [193]

Dale drove to the mountains last weekend. there was heavy traffic on the way there, and the trip took 7 hours. when dale drove home, there was no traffic and the trip only took 5 hours. if his average rate was 18 miles per hour faster on the trip home, how far away does dale live from the mountains? do not do any rounding.

Answer:

Dale live 315 miles from the mountains

Step-by-step explanation:

Let y be the speed  of Dale to the mountains

Time taken by Dale to the mountains=7 hrs

Therefore distance covered by dale to the mountain = speed × time = 7y ......eqn 1

Time taken by Dale back home = 5hours

Since it speed increased by 18 miles per hour back home it speed = y+18

So distance traveled home =speed × time = (y+18)5 ...... eqn 2

Since distance cover is same in both the eqn 1 and eqn 2.

Eqn 1 = eqn 2

7y = (y+18)5

7y = 5y + 90

7y - 5y = 90 (collection like terms)

2y = 90

Y = 45

Substitute for y in eqn 1 to get distance away from mountain

= 7y eqn 1

= 7×45

= 315 miles.

∴ Dale leave 315 miles from the mountains

4 0
3 years ago
V+6&lt;7<br> .............................................
Ulleksa [173]
V + 6 < 7
subtract 6 from both sides:-

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3 years ago
What is the surface area of the sphere below?
trasher [3.6K]
The answer is c I’m pretty sure
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3 years ago
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A bag contains 100 cubes that are black, yellow, and white. A student randomly selects a cube without looking and replaces it in
I am Lyosha [343]

Answer:

The answer is..

A) 45 black cubes

B) 20 yellow cubes

E) 35 white cubes

Step-by-step explanation:

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3 years ago
4x + 4 = 2x + 36<br> HELP ASAP
Anarel [89]
Answer
16
Explanation
4x+4=2x+36
-4. -4
4x=2x+32
-2x -2x
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2 years ago
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