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Zanzabum
3 years ago
6

Please Help..........................

Mathematics
2 answers:
jasenka [17]3 years ago
8 0
The exact circumference is 60ft
uranmaximum [27]3 years ago
5 0
C = 2πr
C= 2 * 10 *π
C= 20π
answer is 20π ft (second choice)
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If the line segment AB is on a number line, and point A is at 4 and Point B is at 19, then the length of AB is ____. Select one:
Kobotan [32]

Answer: 15

Step-by-step explanation:

If two points are together, then you subtract the numbers to get the distance

19 - 4 = 15

8 0
3 years ago
Explain how you would find 47×7/9 mentally
erastova [34]
So you move left to right like PEMDAS when it comes to adding or subtracting either or could go first and same thing applies with multiplying and dividing so for instance in this case

47*7=329
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329/9=36.5
3 0
3 years ago
A business named Beyond Boxes is considering adding a box in the shape of a triangular prism as shown.
Novosadov [1.4K]

Answer:

creo que es 4cm y la otra B no se por que esta en ingles ok

4 0
2 years ago
For `z_1 = 9"cis" (5pi)/(6)` and `z_2 = 3"cis" (pi)/(3)`, find `(z1)/(z2)` in rectangular form.
sammy [17]

Answer:

option D is correct, i.e. 3i

Step-by-step explanation:

Given are the complex number as Z₁ = 9 cis(5π/6) and Z₂ = 3 cis(π/3)

So magnitudes are r₁ = 9, and r₂ = 3

And arguments are ∅₁ = 5π/6, and ∅₂ = π/3

We know the formula for division of complex number is given as follows:-

If Z₁ = r₁ cis(∅₁) and Z₂ = r₂ cis(∅₂)

Then |Z₁ / Z₂| = (r₁/r₂) cis(∅₁ - ∅₂)

|Z₁ / Z₂| = (9/3) cis(5π/6 - π/3)

|Z₁ / Z₂| = 3 cis(5π/6 - 2π/6)

|Z₁ / Z₂| = 3 cis(3π/6)

|Z₁ / Z₂| = 3 cis(π/2)

|Z₁ / Z₂| = 3 cos(π/2) + 3i sin(π/2)

|Z₁ / Z₂| = 3*(0) + 3i*(1)

|Z₁ / Z₂| = 0 + 3i

|Z₁ / Z₂| = 3i

Hence, option D is correct, i.e. 3i

8 0
2 years ago
Which is the graph of f(x)= 100(0.7)x?
lidiya [134]
1,70 2,140 3,210 so on and so forth. The function would be y=70x
8 0
3 years ago
Read 2 more answers
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