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Yuliya22 [10]
3 years ago
6

Help I’m so confused

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0
It is A because it’s the only one that makes sense
irina [24]3 years ago
4 0

Answer:

its a

Step-by-step explanation:

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What is the slope of the line that passes through the given points? (1,8) (8,9)
igor_vitrenko [27]
9-8        1
-----  =  -----.  
8-1         7

The answer is 1/7.
6 0
3 years ago
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Dr. Tu must administer emergency medicine to his patient, Mrs. Jones. The
galben [10]

Answer:

168

Step-by-step explanation: You would do 140/100 = 1.4 then multiply 120 by 1.4 which is 168.

3 0
3 years ago
Please help asap :( This is my "Final grade" My Teacher wants a full explanation included ! on how i got the answer. )
Mrac [35]

If the whole diameter of sphere is 6 inch(means radius is 3 inch) & thickness of material is 1 inch, so the radius of the hollow part should be 2 inch (3-1=2)

The total volume of the ball will be;

= Total volume - Volume of hollow part

= 4/3πr³ - 4/3πr³

= 4/3 × 3.14 × (3)³ - 4/3×3.14×(2)³

= 4 × 3.14 × 9 - 4/3 × 3.14 × 8

= 113.04 - 33.52

= 79.52

If the density of the material is 3.25 g/in3, then the density of 79.52 inch³ should be;

= 79.52 × 3.25

= 258.44 g

Now, if there are 8 spheres in one box, the weight if box will be;

= 258.44 × 8

= 2,067.52 g

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Ahh! Finally done with this, if you have any doubt just do ask me :)

3 0
3 years ago
Find sin D, sin E, Cos D, and cors E
Arisa [49]

Answer:

Step-by-step explanation:

I assume that the last question should read "cosE"

6 0
2 years ago
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Juan drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Juan drove h
kolezko [41]

Answer:Juan live 384 miles from the mountains.

Step-by-step explanation:

Let x be the speed  of Juan for trip to the mountains

Time taken by Juan to reach the mountains=8 hours

then distance traveled by Juan for trip to mountain= speed × time=8x..........(1)

Time taken by Juan to reach the home= 6 hours

Speed increased by 16 miles per hour ∴ the resultant speed to reach the home by Juan =x+16

then distance traveled by Juan to reach the home =speed × time

= (x+16)6......................(2)

Now distance is same in both the case (1) and (2),we get

8x= (x+16)6

⇒8x=6x+96..............(by solving brackets)

⇒2x=96..............(subtracting 6x from both sides )

⇒x=48....................(dividing 2 from both sides)

Putting this value in (1) ,we get

Distance traveled by Juan for trip to mountain =8×48=384 miles.

∴ Juan live 384 miles from the mountains.


3 0
3 years ago
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