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3 years ago

Car travels 85miles at a speed of 34mph how many minutes did the journey take?

Mathematics

2 answers:

den301095 [7]3 years ago

7 0

It took 150 minutes

vredina [299]3 years ago

3 0

The journey took 150 minutes.

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Yasha is going to invest $3500 for six years. She is going to invest in a savings account

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3 years ago

What is 2/3 times 7 wholes

Romashka-Z-Leto [24]

2/3 times 7 wholes is the same was 7 because 1 whole is 1.
What would you do it multiply the numerator and numerator so the would be 2x7. Then we would multiply the denominators. 3x1=1. Therefore the answer is 14/3.

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3 years ago

The curved surface area of a cylinder is 880cm2 and its volume is 770cm3.Find its diameter and height.

natima [27]

Answer:

The height of cylinder is: h = 80.07 cm

The diameter of cylinder is: d = 3.5 cm

Step-by-step explanation:

Curved surface area of cylinder = 880 cm^2

Volume of cylinder = 770 cm^3

We need to find its diameter and height.

The formula used are:

$Curved\: surface\: area=2\pi rh\\Volume=\pi r^2h$

If we divide volume by curved surface, we can find radius

$\frac{Volume}{Curved\: surface\: area}=\frac{\pi r^2h}{2\pi rh} \\\frac{770}{880}=\frac{r}{2}\\0.875= \frac{r}{2}\\=> r= 0.875\times 2\\r=1.75$

So, we get radius r = 1.75

Now, we can find height using curve surface area formula:

$Curved\: surface\: area=2\pi rh\\880=2(3.14)(1.75)h\\h=\frac{880}{10.99}\\h=80.07 \:cm$

So, the height of cylinder is: h=80.07 cm

Now finding diameter using formula: $d=2r$

Putting value of r in above formula:

$d=2r\\d=2(1.75)\\d=3.5\:cm\\$

So, the diameter of cylinder is: d = 3.5 cm

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3 years ago

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blagie [28]

Answer: 2/6

Hope this helps

Step-by-step explanation:

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3 years ago

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SVETLANKA909090 [29]

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3 years ago