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3 years ago

Can someone help me please I’m terrible at math

Mathematics

1 answer:

igomit [66]3 years ago

4 0

Answer:

Only one because even if you tried to put a length different each time, it will only stay the same shape, it never changes.

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11. The formula for the are of a triangle is A = 1/2 bh.

RoseWind [281]

Answer:

2A/b

Step-by-step explanation:

A=1/2(b)(h)

2A=(b)(h) Multiply both sides by 2

2A/b=h Divide both sides by b

h=2A/b

7 0

3 years ago

Math question down below

NARA [144]

B is correct because looking at the chart there is less sold at South and D because there were more bags sold at west

6 0

3 years ago

A right circular cone is undergoing a transformation in such a way that the radius of the cone is increasing at a rate of 1/2 in

Ivenika [448]

Answer:

The volume is decreasing at the rate of 1.396 cubic inches per minute

Step-by-step explanation:

Given

Shape: Cone

$\frac{dr}{dt} =\frac{1}{2}$ --- rate of the radius

$\frac{dh}{dt} =-\frac{1}{3}$ --- rate of the height

$r = 2$

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

Required

Determine the rate of change of the cone volume

The volume of a cone is:

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

Differentiate with respect to time (t)

$\frac{dV}{dt} = \frac{\pi}{3}(2rh \frac{dr}{dt} + r^2 \frac{dh}{dt})$

Substitute values for the known variables

$\frac{dV}{dt} = \frac{\pi}{3}(2*2*\frac{1}{3}* \frac{1}{2} - 2^2 *\frac{1}{3})$

$\frac{dV}{dt} = \frac{\pi}{3}(\frac{4}{3}* \frac{1}{2} - \frac{4}{3})$

$\frac{dV}{dt} = \frac{\pi}{3}(\frac{4}{3}(\frac{1}{2} - 1))$

$\frac{dV}{dt} = \frac{\pi}{3}(\frac{4}{3}*- 1)$

$\frac{dV}{dt} = -\frac{\pi}{3}*\frac{4}{3}$

$\frac{dV}{dt} = -\frac{22}{7*3}*\frac{4}{3}$

$\frac{dV}{dt} = -\frac{22}{21}*\frac{4}{3}$

$\frac{dV}{dt} = -\frac{88}{63}$

$\frac{dV}{dt} =-1.396in^3/min$

The volume is decreasing at the rate of 1.396 cubic inches per minute

3 0

3 years ago

HELP PLEASE ILL BE GIVING OUT 13 POINTS TO WHOEVER ANSWERS EARLY! PLEASE QUICKLY HELP

jok3333 [9.3K]

Answer:

D)(6(-3)/9)

Step-by-step explanation:

-1

Simplify ——

3

-1

6 • ——

3

-2

If this was helpful, please mark brainliest. Have a beautiful day!

7 0

3 years ago

Simplify 1 17/12 Explain

Mumz [18]

2 5/12 because it is an improper fraction

4 0

3 years ago