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3 years ago

9

What ia expanded form

2 answers:

borishaifa [10]3 years ago

5 0

<span>a way to write numbers by adding the value of its digits.
for example =1,000 + 900 + 70 + 1 =1,971

i hope this helps you and pls dont report me for wrong answer</span>

scZoUnD [109]3 years ago

5 0

Expanded form can be like addition.here is an example : 9876 = 9000+800+70+6 hope that holds

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Please help me with this

horrorfan [7]

Answer:

$\dfrac{4000\pi}{3}$ ft³

Step-by-step explanation:

First, let's figure out how to get the <em>volume </em>of a sphere from its <em>surface area</em>. If r is the radius of our sphere, then

The formula for a sphere's surface area is $A = 4\pi r^2$

The formula for a sphere's volume is $V=\frac{4}{3}\pi r^3$

So to get from area to volume, we have to <em>divide the area by 3 </em>and then <em>multiply it by r.</em> Mathematically:

$V=\frac{A}{3}r$

Before we solve for V though, we need to find the radius of our sphere. Thankfully, we're given the surface area - $400\pi$ ft² - so we can use the area formula to find that radius:

$A=4\pi r^2=400\pi\\r^2=100\\r=10$

And now that we have our radius, we can put it into our volume formula to find

$V=\frac{A}{3} r=\frac{400\pi}{3}(10)=\frac{4000\pi}{3}$ ft³

4 0

3 years ago

The length of a rectangle with area 38 in2 depends on its width. Write the formula that describes the length of the rectangle as

Ostrovityanka [42]

Answer:

L = 38/W

Step-by-step explanation:

The area of a rectangle is computed by multiplying length by width. For length L and width W in inches, your rectangle has area ...

A = LW

38 = LW

Then the length can be found by dividing the equation by W:

L = 38/W

8 0

3 years ago

I need the answer I will mark u brainalist

pashok25 [27]

Answer:

x= 1

Step-by-step explanation:

x = 1 is the axis of symmetric for the graph

if we draw a line parallel to the y axis one units to the right side of the origin we get the line of symmetry of the graph.

and since the line of symmetry is parallel to y axis and passes thru the point (1, 0) it's equation is x= 1

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3 years ago

A circle has a diameter of 24 units. Find the circumference and area of the circle in terms of π.

enyata [817]

Circumference=24 pi
Area=144 pi, shown clearly in photo

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Elden [556K]

Answer:

Thats good!

Step-by-step explanation:

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3 years ago

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