All Questions ⁺⁰237634 Questions

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The angular velocity of a fan blade is 6.2 radians per second. DON'T UNDERSTAND!

The angular velocity of a fan blade is 6.2 radians per second.
Approximately how many revolutions does the fan blade make in 1.6 minutes?
Enter your answer, rounded to the nearest tenth of a revolution, in the box.

off-topic

whatisthis1010 Apr 1, 2020

0

586

1

hard counting

Four out of 10 balls are red, some are green, and the rest are of different colors. If the balls can be arranged in 6300 ways, find the number of green balls.

Guest Apr 1, 2020

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515

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please help

To get the shade of purple paint ordered by a client, you must mix red:blue:white in the ratio 3:5:8. How many fluid ounces of each color do you need to make 1 gallon of paint? (Remember, there are 128 fl. Oz. In a gallon.)

Guest Apr 1, 2020

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1037

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Find all of the points of the form (x,-1) which are 7 units from the point (-2,5)

Find all of the points of the form (x,-1) which are 7 units from the point (-2,5)

Guest Apr 1, 2020

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544

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+13

HELP! Need the answer ASAP!

The centers of three non-intersecting circles lie on the same straight line. Prove that if a fourth circle is tangent to all three of the given circles, then its radius is greater than that of at least one of the given three

sukikaha07 Apr 1, 2020

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524

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help

Write an equation for the line that goes through the points (8, -4) and (0, 12)

Guest Apr 1, 2020

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535

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please help

If (2, -7) and (8, 15) are the endpoints of a diameter of a circle, what is the equation of the circle?

Guest Apr 1, 2020

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424

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question

what are the 5 smallest integers that are a multible of 90, and are a perfect power of 6?

Guest Apr 1, 2020

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927

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plz help :)

Use technology or a z-score table to answer the question.
The expression P(z<1.71) represents the area under the standard normal curve below the given value of z.
What is P(z<1.71)?
read more ..

Guest Apr 1, 2020

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574

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+98

Trig pls help

Angle x is a third quadrant angle such that cosx=−1/5 .
What is the exact value of cos(x/2) ?

ocmaz Apr 1, 2020

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836

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plz help :)

The ages of members of a policy action group are normally distributed with a mean of 33 years and a standard deviation of 2 years.
There are 400 members in the group.
About how many members are expected to be between 29 years old and 37 read more ..

Guest Apr 1, 2020

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584

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+4

I need help with this problem

a fruit company delivers its\ fruit\ in\ two\ types of boxes: large and small. A delivery of 9 large boxes and 7 small ones has a total of 171 kilograms. A delivery of 3 large and 5 small have a read more ..

Emogirl715 Apr 1, 2020

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516

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+25

Please help asap!!!

Find the number of ways of arranging the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 in a 3x4 array (with three rows and four columns), so that the sum of the numbers in each column is divisible by 3. Each number must appear exactly read more ..

JustAPotato Apr 1, 2020

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605

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line

The graph of a function is a line that passes through the points (2,6), (4,14), and (8,y). What is the value of y?

Guest Apr 1, 2020

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690

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need help

A Ferris wheel has a diameter of 56 ft. How far will a rider travel during a 5-minute ride if the wheel rotates once every 20 seconds?

Guest Apr 1, 2020

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700

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find the radius and the circcumference of a cd with a diameter of 4.75 inches

find the radius and the circcumference of a cd with a diameter of 4.75 inches

Guest Apr 1, 2020

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735

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help

If 2/9 of the students in school are in 6th grade how many sixth graders are there in if the school has 27 sudents?

Guest Apr 1, 2020

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848

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help me plz

A group of 444 friends likes to golf together, and each friend keeps track of her all-time lowest score in a single round. Their low scores are all between 909090 and 100100100, except for Angie, whose low score is 808080. Angie then golfs a great round read more ..

Guest Apr 1, 2020

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883

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area

What is the area of a regular dodecagon with a side length of 9 centimeters? Round your answer to the nearest tenth.

Guest Apr 1, 2020

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727

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+13

2) Two parallelograms ABCD and DCEF are put together along their common side CD. Prove that the quadrilateral ABEF is also a parallelogram.

2) Two parallelograms ABCD and DCEF are put together along their common side CD. Prove that the quadrilateral ABEF is also a parallelogram.
BTW it was number 2 in this link and was unanswered https://web2.0calc.com/questions/geometry-help_100 read more ..

sukikaha07 Apr 1, 2020

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554

1

there are 8 granola bars in each box. which expression can be used to find the number of granola bars in two dozen boxes?

there are 8 granola bars in each box. which expression can be used to find the number of granola bars in two dozen boxes?

Guest Apr 1, 2020

-1

562

0

+49

Please help as soon as possible

On her daily homework assignments, Qinna has earned the maximum score of 10 on 15 out of 40 days. The mode of her 40 scores is 7 and her median score is 9. What is the least that her arithmetic mean could be? Express your answer as a decimal to read more ..

amphat100 Apr 1, 2020

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