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Arisa [49]
3 years ago
6

Peter collected 171 marbles but lost 3/4 of them on his way home through of hole in his bag when he arrived at home now many mar

bles did Peter have left?​
Mathematics
1 answer:
murzikaleks [220]3 years ago
3 0
The answers is 43 since 171 divided by 4 is 42.75. So then multiply that by 3. and subtract that from 171. and u get ur answer which is 43
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Its pitcher is shaped like a cylinder with a radius of 1 centimeter and a height of 7.8 cm. What's this pitcher plant's approxim
nordsb [41]

Answer:

The pitcher plant's approximate volume is 24.492 \text{cm}^{3}.

Step-by-step explanation:

We are given that a  pitcher is shaped like a cylinder with a radius of 1 centimeter and a height of 7.8 cm.

Let the radius of a cylinder = r = 1 cm

and the height of a cylinder = h = 7.8 cm

As we know that the volume of a cylinder is given by;

The volume of a cylinder = \pi r^{2}h

                           = 3.14 \times 1^{2} \times 7.8  {taking approximate value of \pi to be 3.14}

                           = 3.14 \times 7.8

                           = 24.492 \text{cm}^{3}

Hence, this pitcher plant's approximate volume is 24.492 \text{cm}^{3}.

4 0
3 years ago
John drives to the beach which is 270 miles away from his house. In 2 hours, he drives 120 miles. If he continues at that speed,
Karolina [17]
The answer is 4.5 hours.
 
120 miles/2 hours = 60 mph
270-120 = 150 miles
150 miles/60 mph = 2.5 hrs

2 hrs+2.5 hrs = 4.5 hours for the whole trip
6 0
3 years ago
Find the area (in square feet) of a rectangle that measures 17" × 3'10".
Kitty [74]

Answer:

65 feet and 2 inches

Step-by-step explanation:

to find the area of a rectangle you need to multiply length times width in this case 17" times 3'10". But first you must convert everything into the same form(in this case feet) so first you can convert everything to inches by multiplying 3 times 12  which gives you 36 then add the 10, so it is now 46 inches then multiply that by 17 and altogether it is 782 inches, then divide by 12 (to convert it back to feet) and the answer is 65.1666666667. After you can round and get 65 feet and 2 inches.

6 0
2 years ago
Two trains leave the same station at the same time, but are headed in opposite directions. One train travels at 70 mph and the o
uranmaximum [27]

Let

x--------> the time in hours

y-------> the distance in miles

we know that

The speed is equal to

Speed=\frac{distance}{time}

in this problem

Speed=\frac{y}{x}

y=(Speed)*x

<u>Equation First Train</u>

y1=70x

<u>Equation Second Train</u>

y2=80x

y1+y2=600\ miles ---------> equation 1

Substitute the values of y1 and y2 in the equation 1

70x+80x=600

Solve for x

150x=600

x=4\ hours

therefore

<u>the answer is</u>

4\ hours

4 0
3 years ago
Read 2 more answers
How do you compare exponential functions??
snow_tiger [21]

Answer:

You compare it by this

Step-by-step explanation:

Linear functions are graphed as straight lines while exponential functions are curved. Linear functions are typically in the form y = mx + b, which is used to discover the slope, or simply the change in y divided by the change in x, while exponential functions are typically in the form y = (1 + r) x.

5 0
3 years ago
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