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2 years ago

Do you know this please

Mathematics

2 answers:

qwelly [4]2 years ago

7 0

Answer:

43%

Step-by-step explanation:

Count the squares

d1i1m1o1n [39]2 years ago

6 0

Answer:

43%

Step-by-step explanation:

its 43 out of one hundred

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How does the volume of a sphere compare to that of the volume of a cylinder? What would you say the scale factor for Vol sphere:

borishaifa [10]

Answer:

The volume of a sphere is 2/3 times the volume of a similar cylinder

Scale factor : 2/3

Step-by-step explanation:

Let us consider a sphere of radius r. The volume of the sphere will be given as

$V_{s}=\frac{4}{3} \pi r^{3}$

Similarly, let us consider a cylinder with its height being twice the radius of the sphere. We will have its volume given as:

$V_{c}=\pi r^{2}h$

but h = 2r

Hence we have

$V_{c}= 2\pi r^{3}h$

We can divide the two volumes to get a constant that links them together

$\frac{V_{s}}{V_{c}}=\frac{\frac{4}{3} \pi r^{3}}{2\pi r^{3}h}$

this will give us 2/3

Hence the scale factor for Vol sphere: Vol cylinder is 2/3

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3 years ago

ashton is saving money to buy a new bike. he needs $120 but has only saved 60% so far. How much more money does Ashton need to b

Tasya [4]

Ashton has saved: 60% of $120=(60/100)*$120=(60*$120)/100=$72
Ashton need to buy the bike=$120-$72=$48

He needs to buy the bike=$48

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2 years ago

Estimate each quotient tell which method you used

cupoosta [38]

I would do 3+5 so then it equals 8

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2 years ago

The number 1,645.6 expressed in scientific notation equals

grin007 [14]

Answer:

$1.6456 * 10^{3}$

Step-by-step explanation:

Step 1: Convert to Scientific Notation

$1645.6$ is in standard notation

$1.6456 * 10^{3}$ is in scientific notation

Answer: $1.6456 * 10^{3}$

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2 years ago

Group presentations are always better than solo speeches. True False

kati45 [8]

Answer:

True

Step-by-step explanation:

Its tru

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2 years ago

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