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AfilCa [17]
4 years ago
12

A: 1/2 inch B: 1 inch C: 2 inches D: 1/32 inch

Mathematics
1 answer:
mote1985 [20]4 years ago
4 0
The expression of the height is

a_n=8\cdot (\frac{1}{2})^{n-1}

the index "n" is the numbers of times that the ball is down, to n=1 the height is 8 inches, to n=2 the height is 4 inches.

An when n=5, the height is

a_5=8\cdot (\frac{1}{2})^{5-1}=8\cdot (\frac{1}{2})^4=\frac{1}{2} =0.5

the anwers is 0.5 inches
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Does anybody know how to do this
Mamont248 [21]

property of integer exponent states that to multiply two powers with the same base, add the exponents .

aˣaⁿ = a⁽ˣ⁺ⁿ⁾

So last option is the correct choice.

7 0
3 years ago
Read 2 more answers
A large bag of gumballs contains an equal amount of red, orange, yellow, blue, green, pink, purple, black, teal, and brown gumba
shtirl [24]
B. 0.5 or 50%

The answer would be B because there are 10 possible colors of marbles and an equal amount of them in the bag, you want to know the probability of picking five of the ten possible colors which is 50% of the total marble colors.

Hope this helped! (Brainliest would be nice only if you think i deserve it)

3 0
4 years ago
(I WILL GIVE YOU BRAINLIEST) The area of a rectangle is 50m^2. Height is 5m, what is the perimeter? *Explain how you got the per
Verdich [7]

Answer:

Perimeter: 30

Step-by-step explanation:

So we know that to get the area we multiply the height by the width and we already know the area and height.

Area: 50

Height: 5

So to find the width, we just divide:

50/5 = 10

So now we have everything we need to find the perimeter. The perimeter is all the sides added up. So, 5+10+5+10 = 15+15 = 30

Hope this helps

4 0
3 years ago
7<img src="https://tex.z-dn.net/?f=%5Csqrt%20-9" id="TexFormula1" title="\sqrt -9" alt="\sqrt -9" align="absmiddle" class="latex
erik [133]

Answer:

= 21i

Step-by-step explanation:

√-9 = 3i

= 7 . 3i

Multiply the numbers: 7 . 3 = 21

= 21i

Hope this helps!

5 0
3 years ago
Write the number 0.00003852 in standard form.
Basile [38]

Answer: 3.852

Step-by-step explanation:give me brianlest

4 0
3 years ago
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