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2 years ago

Examine the graphs and match each one with the correct coordinate rotation. You should match one graph with one rule.

Mathematics

1 answer:

irinina [24]2 years ago

8 0

A is with b d with a c with e

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If a:b=5:6and b:c=3:8 find a:b:c?

mr_godi [17]

Answer:

(a x b ) : (b x b ) : (b x c)

5x3 : 6x3 : 6 x 8

Step-by-step explanation:

15:18:48

5 0

1 year ago

the sum of interior angles of a regular polygon has 540 degrees. find the measure of each interior angle of the polygon.

ss7ja [257]

108 for one interior angle is my answer. not sure if it's right tho

7 0

2 years ago

Gravel is being dumped from a conveyor belt at a rate of 20 ft3/min, and its coarseness is such that it forms a pile in the shap

11Alexandr11 [23.1K]

Answer:

0.25 feet per minute

Step-by-step explanation:

Gravel is being dumped from a conveyor belt at a rate of 20 ft3/min. Since we are told that the shape formed is a cone, the rate of change of the volume of the cone.

$\dfrac{dV}{dt}=20$ ft^3/min$

$\text{Volume of a cone}=\dfrac{1}{3}\pi r^2 h$

Since base diameter = Height of the Cone

Radius of the Cone = h/2

Therefore,

$\text{Volume of the cone}=\dfrac{\pi h}{3} (\dfrac{h}{2}) ^2 \\V=\dfrac{\pi h^3}{12}$

$\text{Rate of Change of the Volume}, \dfrac{dV}{dt}=\dfrac{3\pi h^2}{12}\dfrac{dh}{dt}$

Therefore: $\dfrac{3\pi h^2}{12}\dfrac{dh}{dt}=20$

We want to determine how fast is the height of the pile is increasing when the pile is 10 feet high.

$h=10$ feet$\\\\\dfrac{3\pi *10^2}{12}\dfrac{dh}{dt}=20\\25\pi \dfrac{dh}{dt}=20\\ \dfrac{dh}{dt}= \dfrac{20}{25\pi}\\ \dfrac{dh}{dt}=0.25$ feet per minute (to two decimal places.)$

When the pile is 10 feet high, the height of the pile is increasing at a rate of 0.25 feet per minute

5 0

2 years ago

I'LL GIVE BRAINLIEST!<br> Simplify

monitta

(4ab^2-5ba-2ba^2+a^2+4b^3+a^3)(2b+a)/ a-4b^2

6 0

2 years ago

344 thousands times 1/10

11111nata11111 [884]

344 thousands times 1/10=34,400

3 0

2 years ago