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Licemer1 [7]
2 years ago
15

good morning :) The train to San Fernando travels 120 miles per hour. How long will or trip take if San Fernando is 750 miles aw

ay? A. 6 hours 15 minutes B. 6 hours C. 5 hours 30 minutes D. 5 hours 15 minutes
Mathematics
2 answers:
Art [367]2 years ago
5 0

Answer: A 6 hours 15 minutes

Step-by-step explanation:

Time = Distance / Speed

Time = 750 / 120

= 6.25 hours

tiny-mole [99]2 years ago
5 0

Answer:

Option A

Step-by-step explanation:

<u><em>Using unitary method:</em></u>

=> 120 miles = 1 hour

=> 1 mile = 1/120 hour

Multiplying both sides by 750

=> 750 miles = \frac{750}{120} hours

=> 750 miles = 6.25 hours

=> 750 miles = 6 hours 15 minutes

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Bad White [126]

Answer:

Step-by-step explanation:

Note that the area under a probability density curve must be 1.

The formula for the area of a triangle is A = (1/2)(base)(height).

Here the base is 25 units.  Thus, A = 1 unit^2 = (1/2)(25 units)(height), or, after multiplying both sides of this equation by 2:

2 units^2  = ( 25 units)(height)

                             2 units^2

Then (height) = --------------------- = 0.08 unit

                            25 units

The height of the triangle is 0.08 unit.

3 0
3 years ago
What is 4r+9r-11r+7r please im not trying to fail
kaheart [24]

Answer:

9r

Step-by-step explanation:

combine like terms in PEMDAS order. Add 4, 9, and 7, then, subtract 11.

5 0
2 years ago
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A town’s population went from 25,000 to 32,000 in 3 years. What was the percent of change?
Kazeer [188]

Answer:

28% increase

Step-by-step explanation:

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3 years ago
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URGENT PLEASE HELP. I WILL GIVE BRAINLIEST IF CORRECT!!!
pishuonlain [190]
I really need points so I can answer questions I know the answer to so ima take a guess and say 134
7 0
2 years ago
Soup can be packaged in two different containers: a box and a cylinder. The dimensions of the box are 7.5 cm by 4.7 cm by 14.5 c
Brilliant_brown [7]

Answer: Cylinder uses less material to make.

Box holds more soup then cylinder.

Step-by-step explanation:

Total surface area of cuboidal box =2(lw+wh+lh), l= length, w=width, h=height

Total surface area of cylinder = 2\pi r(r+h)  where r= radius and h is height.

Given , Dimension of box : 7.5 cm by 4.7 cm by 14.5 cm

Dimension of cylinder : radius of 3.3 cm and a height of 10 cm.

Total surface area of box =2((7.5)(4.7)+(4.7)(14.5)+(7.5)(147.5)) sq. cm

= 2(1209.65)

=2419.3 sq. cm

Total surface area of cylinder = 2(3.14)(3.3)(3.3+10)=275.63\ \text{ sq. cm}

<em>[π=3.14]</em>

(Total surface area of cylinder)<(Total surface area of box )

So, cylinder uses less material to make.

Volume of box = l x w x h

= (7.5)(4.7)(14.5) = 511.13 cubic cm

Volume of cylinder = \pi r^2h

=(3.14)(3.3)^2(10)

= 341.946 cubic cm

As (Volume of box) > (Volume of cylinder )

So, Box holds more soup then cylinder.

6 0
3 years ago
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