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Nastasia [14]
3 years ago
6

What is i^85 simplified

Mathematics
1 answer:
Sever21 [200]3 years ago
6 0

let's recall that i⁴ = 1.

\bf i^{85}\implies i^{84+1}\implies i^{(4\cdot 21)+1}\implies i^{4\cdot 21}\cdot i^1\implies (i^4)^{21}\cdot i\implies (1)^{21}\cdot i\implies i

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Please help need answer fast
Zanzabum

Answer:

1,004

Step-by-step explanation:

8 0
3 years ago
Roughly estimate the volume of a tennis ball in cubic cm by using 6 cm for diameter and 3 for pi. round the answer to the neares
galben [10]

The volume of ball is 113.04 cubic centimeter

<em><u>Solution:</u></em>

Given that we have to find the volume of tennis ball

Since the ball is of sphere shape, we can use the sphere formula

<em><u>The volume of sphere is given by formula:</u></em>

V = \frac{4}{3} \times \pi \times r^3

Where, "V" is the volume and "r" is the radius

Given that,

Diameter = 6 cm

Therefore,

Radius = \frac{diameter}{2}\\\\Radius = \frac{6}{2}=3

<em><u>Substituting in formula, we get</u></em>

V = \frac{4}{3} \times 3.14 \times 3^3\\\\V = 4 \times 3.14 \times 3^2\\\\V = 12.56 \times 9\\\\V = 113.04

Thus volume of ball is 113.04 cubic centimeter

3 0
3 years ago
Which statement is true about the equation 4.5z = 4.5z – 4.25 + 6.25? (1 point) It has no solution. It has one solution. It has
gizmo_the_mogwai [7]
No solution

It’s no solution because if you would’ve subtracted 4.5z on both sides then the equation would’ve become:
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5 0
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System of Equations - Substitution <br><br>3x + 8y = 16 <br>x - 4y = 12​
antoniya [11.8K]

Answer:

I think the answer is 2, -1. Hope I helped..?

4 0
3 years ago
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Step-by-step explanation:

7 0
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