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Paha777 [63]
3 years ago
14

The minute hand of a clock 7 inches long to the nearest 10th of an inch how far does the tip of the minute and trouble as time p

rogresses from 12:00 to 12:25
Mathematics
1 answer:
RSB [31]3 years ago
7 0

Answer:

The answer to the question is;

The distance the tip of the minute and travels as time progresses from 12:00 to 12:25 is 18.33 in.

Step-by-step explanation:

To solve the question, we note that

Number of minutes in one complete revolution of the clock = 60

Position travel of the minute hand = 12:00 to 12:25 = 25 minutes

Fraction of complete revolution traveled by minute hand = 25/60

Distance of one complete revolution = Circumference of circle = 2·π·r

Length of minute hand = 7 inches = r

Distance of one complete revolution = 2 × π × 7 = 43.98 in

Distance traveled by minute hand = 25/60×43.98 in = 18.33 in.

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pogonyaev

Answer:

Rate of increase in height =\frac{dh}{dt}=0.3156ft/min

Step-by-step explanation:

we know that volume of a cone is given by

V=\frac{1}{12}\pi d^{2}h

It is Given that diameter equals height thus we have

V=\frac{1}{12}\pi h^{2}h\\\\V=\frac{1}{12}\pi h^{3}

Differentiating both sides with respect to time we get

\frac{dV}{dt}=\frac{1}{12}\pi \frac{dh^{3}}{dt}\\\\\frac{dV}{dt}=\frac{1}{12}\pi(3h^{2}\frac{dh}{dt})

Applying values and solving for \frac{dh}{dt} we get

\frac{dh}{dt}=\frac{12\frac{dV}{dt}}{3\pi h^{2}}\\\\\frac{dh}{dt}=0.3156ft/min

8 0
3 years ago
HELP ASAP Keiko divided 5 cups of milk into 1/4 cup portions. How many 1/4 cup portions did Keiko have???
Anarel [89]

Answer:

20

Step-by-step explanation:

Given data

Number of cups= 5 cups

Number of portions= 1/4 portions

Hence the number of 1/4 portion can be gotten as

=5/1/4

=5*4/1

=20

Therefore, the number of 1/4 portions is 20

7 0
3 years ago
The sum of two.number is.24. the.sun.of the square.of the two.nunber is 306. what is the product.of the two.number
tresset_1 [31]
A) x + y = 24
B) x^2 + y^2 = 306

A) x = 24 -y
Then substituting this into B)
(24 - y)^2 +y^2 = 306
576 -48y +y^2 + y^2 = 306
2 y^2 -48y + 270 = 0
x1 = 15
x2 = 9




3 0
3 years ago
What is the formula to find the circumference of a circle and how do i do it?
Leni [432]

Answer:

circumference of a circle = 2*pi*radius

just multiply 3.14 (pi) by 2 by the radius/diameter divided by 2

3 0
3 years ago
Which expressionuses the associatice property to make it easier to evaluate 6 (1/3 x 7/5)
ozzi

Answer:

Step-by-step explanation:

6(1/3X7/5)=(6X1/3)X7/5

6X7/15=6/3X7/5

14/5=14/5 (ASSOCIATIVE LAW)

4 0
3 years ago
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