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BabaBlast [244]
1 year ago
14

Composite Figures

Mathematics
1 answer:
ahrayia [7]1 year ago
4 0

1,005.44

Pir^2h

3.142*8*8*5

1,005.44

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Which expression is equivalent to 4^ 5x4^ -7÷4 ^-2?
Andre45 [30]

\bf ~~~~~~~~~~~~\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} \qquad \qquad \cfrac{1}{a^n}\implies a^{-n} \qquad \qquad  a^n\implies \cfrac{1}{a^{-n}}\\\\[-0.35em] \rule{34em}{0.25pt}\\\\ 4^5\cdot 4^{-7}\div 4^{-2}\implies \cfrac{4^5\cdot 4^{-7}}{4^{-2}}\implies \cfrac{4^{5-7}}{4^{-2}}\implies \cfrac{4^{-2}}{4^{-2}}\implies 4^{-2}\cdot 4^2 \\\\\\ 4^{-2+2}\implies \boxed{4^0}\implies 1

5 0
3 years ago
Read 2 more answers
A bag contains 4 red marbles, 8 green marbles, and 6 yellow marbles. If Jack takes one marble out of the bag without looking, wh
skelet666 [1.2K]
I already answered that question, here's the link: brainly.com/question/10534199.

But if you still want the explanation, here it is:

"So if we want to measure probability, you have to add, then divide, like this:

First 4+8+6, which gives us 18.

Then we see, that 6 is 1/3 of 18, so we conclude. The answer is 33.33%.

Hope this helped!
"
7 0
3 years ago
A store decreases the price of an item from 120 to 90. what is the percent decrease
vampirchik [111]

There is a 25% decrease because the decrease is 30, which is 25% of 120.

8 0
3 years ago
The radius r of a sphere is 6 units. Find the volume of the sphere. Write your answer in terms of . The volume is cubic units.​
kirza4 [7]

Answer:

The formula used to calculate the sphere radius is: r = ∛((3/4) · V / π) Symbols. r = Sphere radius; V = Sphere volume; π = Pi = 3.14159… Volume of Sphere. Enter the volume contained within a sphere. Radius of Sphere. This is the radius of a sphere that corresponds to the specified volume.

Step-by-step explanation:

8 0
3 years ago
First-person to answer correctly with an explanation gets Brainliest
zzz [600]

Answer:

it has to be a or d

Step-by-step explanation:

they have 4000 in 1996 but we want 1991.so we get 15 percent of least time but i belive its d

7 0
2 years ago
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