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QveST [7]
4 years ago
10

\frac{2^{-8}}{2^2} = (25)h pls answer fast

Mathematics
1 answer:
aliina [53]4 years ago
5 0

Answer

30

Step-by-step explanation

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Emily's snack allowance at school exceeds $7. Her snack allowance is one-fourth of her monthly allowance. Write and solve an ine
Jobisdone [24]

Answer:

x>28

Step-by-step explanation:

x>7

4x>28

4 0
3 years ago
Read 2 more answers
Given: Circle C is constructed so that CD = DE = AD; CA is a radius of circle C.
LenKa [72]

Answer:

because AE touches the circumference of circle c.

Step-by-step explanation:

we know that CA is a radius of circle C. so we know that A touches the circumference.

so if the line kept going, it still woulnt go through the circle, only touch the circumference. which is what a tangent is

8 0
3 years ago
Suppose the radius of the sphere is increasing at a constant rate of 0.3 centimeters per second. At the moment when the radius i
elixir [45]
<h2>At the moment when the radius is 24 centimeters, the volume is increasing at a rate of 2171.47 cm³/min.</h2>

Step-by-step explanation:

We have equation for volume of a sphere

             V=\frac{4}{3}\pi r^3

where r is the radius

Differentiating with respect to time,

            \frac{dV}{dt}=\frac{d}{dt}\left (\frac{4}{3}\pi r^3 \right )\\\\\frac{dV}{dt}=\frac{4}{3}\pi \times 3r^2\times \frac{dr}{dt}\\\\\frac{dV}{dt}=4\pi r^2\times \frac{dr}{dt}

Given that

           Radius, r = 24 cm

           \frac{dr}{dt}=0.3cm/s

Substituting

           \frac{dV}{dt}=4\pi r^2\times \frac{dr}{dt}\\\\\frac{dV}{dt}=4\pi \times 24^2\times 0.3\\\\\frac{dV}{dt}=2171.47cm^3/min

At the moment when the radius is 24 centimeters, the volume is increasing at a rate of 2171.47 cm³/min.

4 0
3 years ago
Brainliest?????! Answer ASAP!
Helen [10]

Answer:

12

Step-by-step explanation:

12

8 0
3 years ago
I need help on this question. I don't want to get a bad grade. -_-
ch4aika [34]

Answer:

60.84 m

Step-by-step explanation:

The perimeter is the distance around

The distance around the 3 sides of the rectangle are

15+12+15

42

Now we are going 1/2 way around the circle

That is 1/2 of the circumference

1/2 C = 1/2 pi *d

         = 1/2 pi *12

          = 6pi

Using 3.14 for pi

          = 6 (3.14)

          =18.84

Add these together

42+18.84

60.84 m

4 0
3 years ago
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