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3 years ago

PLEASE HELP!!!!

Mathematics

2 answers:

den301095 [7]3 years ago

7 0

Answer:

multiplication

Step-by-step explanation:

valina [46]3 years ago

7 0

Hopes this helps:

Answer: multiplication

We can multiply two fractions with different denominators, but we cannot add and subtract them.

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A spherical balloon is inflated so that its volume is increasing at the rate of 3 ft3/min. How fast is the diameter of the ballo

beks73 [17]

When an spherical balloon volume is increasing at the rate of $3ft^3/min$ then the diameter of the balloon is increasing $\frac{3}{2\pi }ft /min$

How can we find the rate of change of balloon's diameter ?

The volume of a spherical balloon is $v=\frac{4}{3} \pi r^3$

In form of diameter we can write as

$v=\frac{4}{3} \pi (\frac{D}{2} )^3\\=\frac{1}{6} \pi D^3$

Now we will differentiate both sides wrt to $t$ we get

$\frac{dv}{dt} =\frac{1}{6} \pi 3D^2 \frac{dD}{dt} \\\frac{dD}{dt} =\frac{2}{\pi D^2} \frac{dv}{dt} \\\\when r=1\\D=2ft$

Given in the question $\frac{dv}{dt} =3ft^3/min$

thus when we substitute the values we get

$\frac{dD}{dt} =\frac{2}{\pi *2^2} (3)\\\frac{dD}{dt}=\frac{3}{2\pi } ft/min$

Learn more about the differentiation here:

brainly.com/question/28046488

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2 years ago

Find the value of X in the triangle.<br><br> Please explain. Thanks.

Anna [14]

29°

triangles can only have 180°

This is a right triangle, so one angle is 90°, leaving us with 90° left

90°-61°= 29°

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3 years ago

Read 2 more answers

Same this for me but 6,912 and 288 please help

Svetllana [295]

Answer:

what is the question

Step-by-step explanation:

Questions for answers

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3 years ago

Please help, there’s a picture.

tino4ka555 [31]

Answer: zxy=39 wxy=78

Step-by-step explanation:

Since xz bisects wxy, the 2 angles that make up wxy are equal.

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3 years ago

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diamong [38]

Answer:

2 x values

x = 5.85410196 …

x = − 0.85410196 …

Step-by-step explanation:

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3 years ago