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kaheart [24]
2 years ago
15

Yoshua borrowed $8,000 from his credit union over 9 months. He pays a simple interest of

Mathematics
1 answer:
ollegr [7]2 years ago
4 0

Answer:

simple prt. $720

Step-by-step explanation:

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Scott likes to run long distances. He can run 20 \text{ km}20 km20, start text, space, k, m, end text in 858585 minutes. He want
spayn [35]

Given:

Scott can run 20 km in 85 minutes.

To find:

How long will it take Scott to run 52 km?

Solution:

Let x be the number of minutes it will take him to run 52 km.

We know that,

Speed=\dfrac{Distance}{Time}

Using this formula, we get

Speed=\dfrac{20}{85}           ...(i)

Speed=\dfrac{52}{x}             ...(ii)

Equating (i) and (ii), we get

\dfrac{20}{85}=\dfrac{52}{x}

20\times x=52\times 85

20x=4420

Divide both sides by 20.

x=\dfrac{4420}{20}

x=221

Therefore, it will take 221 minutes to run 52 km.

5 0
2 years ago
Write an equivalent expression for 36 divided by [-9] [-5]?
natima [27]
36/-9-5=14/7-11 36/-9=-4 -4-5=-9 14/7=2 2-11=-9
3 0
3 years ago
The ratio of men to women in New York is 3:4. What is the fraction of men in NYC? A.  3/4 B.  1/4 C.  1/3 D.  3/7 
Bad White [126]
The question is not clear: the fraction of men to everyone in NYC will be 3/7
8 0
3 years ago
Please can someone help!
Rom4ik [11]

Answer:

51 mph

Step-by-step explanation:

→ The first thing we need is a formula which links speed, distance and time so,

Speed = Distance ÷ Time

Speed = mph

Distance = metres/miles

Time = hours

→ Since we want to work out the average speed of the entire journey we need to first work out the total distance and total time. Using the first sentence of the paragraph, it says that <em>the car travels at an average speed of 45 mph for 40 minutes, </em>we can rearrange the formula to work out the distance so,

Speed = Distance ÷ Time

→ Rearrange to get distance as subject

Distance = Speed × Time

→ Substitute in the values

Distance = 45 × 40

→ Remember that the time is hours but we substituted in minutes so we divide the time value by 60

40 ÷ 60 = 0.666666667

→ Substitute in the time value multiplied by the speed

Distance = 45 × 0.666666667 = 30

⇒ 30 metres/miles is overall distance for the first part of the journey

→ Now we have to work out the distance for the second part of the journey. State the distance formula.

Distance = Speed × Time

→ Substitute in the values into the distance formula

Distance = 60 × 25

→ Remember that the time is hours but we substituted in minutes so we divide the time value by 60

25 ÷ 60 = 0.416666667

→ Substitute in the time value multiplied by the speed

Distance = 60 × 0.416666667 = 25

⇒ 25 metres/miles is overall distance for the second part of the journey

→ Now we have to add the distance of both the journeys together

25 + 30 = 55

→ Then we add the times of the journey together

40 minutes + 25 minutes = 65 minutes

→ Convert 65 minutes into hours

65 ÷ 60 = 1.08333 hours

→ Substitute both values into the speed = distance ÷ time formula

Speed = 55 ÷ 1.08333 = 50.76923077

→ The question says to round it to the nearest whole number so,

50.76923077 = 51 mph

7 0
3 years ago
A mother is 1 3/4 times as tall as her son. Her son is 3 feet tall. How tall is the mother?
Kobotan [32]
In order to find the answer to this question, you need to multiply the fractions. But before we do that, we need to turn the mixed fraction into a proper fraction. 1 3/4 would turn into 7/4 because you multiply the denominator by the whole number and add the numerator. So we come out with:

7/4 x 3/1 = 21/4

Can we simplify 21/4? No, we can't. However, we need to turn it back into a mixed fraction. We can do that by actually dividing the numbers. 21 divided by 4 is 5 with a remainder of 1, so we come out with our answer.

The mom is 5 1/4 feet tall :) Hope this helps!
3 0
3 years ago
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