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vlabodo [156]
3 years ago
13

It takes Mark 1 hour to get to work each day. Mark drives from home 20 minutes to the train station at a constant rate of 42 mph

. He then takes the train, traveling at a constant 60 mph, the remaining distance to work. How far does Mark live from his work place? A. 108 mi. B. 80 mi. C. 62 mi. D. 54 mi.
PLEASE HELP QUICK
Mathematics
2 answers:
9966 [12]3 years ago
7 0

Answer:D.54

Step-by-step explanation: it takes 20 minutes in the car which is 1/3 of an hr so 42/3= 14 then that leaves 40 minutes left for the train which is 2/3 of 60 and 60/3=20 and 20x2= 40 so 40+14=54

MrRa [10]3 years ago
3 0

Answer:

D. 54

Step-by-step explanation:

Give the guy above brainliest

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ankoles [38]

Answer:

V = 54π cm³ ⇒ answer (C)

Step-by-step explanation:

∵ V = (πd²h)/8

∵ d = 6 cm

∵ h = 12 cm

∴ V = (π × 6² × 12) ÷ 8 = 54π cm³

5 0
4 years ago
the interest on an investment varies directly as the rate of of interest. if interest is $47 when interst rate is 5% find the in
NNADVOKAT [17]

Answer:

The interest when rate is 5.2% is $48.88

Step-by-step explanation:

if interest (I) varies directly as interest rate (R)

Then

I ∝ R

I=cR

c= constant

if interest is $47 when interest rate is 5%

47 =.05c

c = 940

if interest rate is 5.2% then

I = 940 x .052

=48.88

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3 years ago
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Ostrovityanka [42]

Answer:

What's your question?

Step-by-step explanation:

7 0
3 years ago
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If option A is 20 dollar payment and option B requires 50 dollar payment. The opportunity cost of option A would be ------- and
Alecsey [184]

Answer:

a) nothing and 30 dollars.

Step-by-step explanation:

Opportunity cost usually arises when faced with choices or alternatives such that one has to be chosen, while the other is forgone. The benefits forgone by choosing a certain option of the available choices is called opportunity cost.

Given that :

Option A requires $20 payment

Option B requires $50 payment

Opportunity cost of choosing A = nothing (since payment required for the other alternative is higher than the chosen option)

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3 0
3 years ago
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igor_vitrenko [27]

we conclude that the inequality can be written as the compound inequality:

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<h3></h3><h3>How to solve the inequality for m?</h3>

Here we have the inequality:

3*|14 - m| > 18

We want to isolate m, so we start by dividing both sides by 3:

|14 - m| > 18/3 = 6

Now we can decompose the inequality in two:

14 - m > 6

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Solving both for m, we get:

14 - 6 > m

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Then we conclude that the inequality can be written as the compound inequality:

8 > m

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If you want to learn more about inequalities:

brainly.com/question/25275758

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