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3 years ago

PLEASE HELP WHATS THE MEASURE OF THE ANGLE I'LL GIVE BRAINLIEST

Mathematics

1 answer:

lord [1]3 years ago

8 0

Answer:

easy 72 degree

Step-by-step explanation:

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A cone has a radius of 5 ft and a height of 15 ft. It is empty and is being filled with water at a constant rate of 15 15 ft 3 f

kvasek [131]

Answer:

$\frac{dr}{dt}=0.11062ft/sec$

Step-by-step explanation:

From the question we are told that:

Radius $r=5ft$

Height $H=15ft$

Rate $R=15ft/3sec =5ft/s$

Surface Radius $R_{surf}=2.2ft$

Generally the equation for Volume is mathematically given by

$V=\frac{1}{3}\pi*r^2h$

Since radius to height ratio gives

$\frac{r}{h}=\frac{5}{15}$

$\frac{r}{h}=\frac{1}{3}$

$h=3r$

Therefore

$V=\frac{1}{3}\pi*r^2(3r)$

$V=\pi r^3$

Generally the equation for Change of Volume is mathematically given by

$\frac{dv}{dt}=\pi \frac{d}{dt}(r^3)$

$\frac{dv}{dt}=\pi 3*r^2 \frac{dr}{dt}$

$\frac{dv}{dt}=\pi 3*(2.2)^2 \frac{dr}{dt}$

$\frac{dr}{dt}=\frac{5}{45.62}$

$\frac{dr}{dt}=0.11062ft/sec$

3 0

3 years ago

What is the equation for a line with a slope of 2/3 that goes through (1, -3)?

7nadin3 [17]

Answer:

y=2/3x +b

-3=2/3(1)+b

b=-11/3

y=2/3x+(11/3)

y=2/3x-11/3

Step-by-step explanation:

Given the slope and one point on the line we use the formula above.

6 0

3 years ago

Level K

liq [111]

Answer: $(y-1)=9(x-6)$

Step-by-step explanation:

If a line is passing through the point (a,b) and has a slope m, then the equation of the line in point-slope form is given by :-

$(y-b)=m(x-a)$

Given: A line that includes the point (6, 1) has a slope of 9.

The equation of line in point-slope form: $(y-1)=9(x-6)$

Hence, the required equation in point slope form: $(y-1)=9(x-6)$

6 0

3 years ago

A can of 3 tennis balls costs $5.00. How many tennis balls could Robert buy for $40.00? Create a ratio table and graph to solve.

gulaghasi [49]

Answer:

40.6

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Select the correct answer

gulaghasi [49]

The answer to your question is d

5 0

3 years ago

PLEASE HELP WHATS THE MEASURE OF THE ANGLE I'LL GIVE BRAINLIEST​

PLEASE HELP WHATS THE MEASURE OF THE ANGLE I'LL GIVE BRAINLIEST