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2 years ago

when juggling a ball travels in a complete circle every 2 seconds. how many circles does it make in a minute

Mathematics

2 answers:

Gre4nikov [31]2 years ago

7 0

Answer:

30 circles

Step-by-step explanation:

Because there are 60sec in a minute so divide it by two.

andrew11 [14]2 years ago

3 0

Answer: It makes 30 circles in a minute

Step-by-step explanation:

Cirle every 2 seconds

A minute is 60 seconds

So you divide those to get your answer

60 divided by 2= 30

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What do you think that ADA has explicit regulations on slopes and ramps?

yarga [219]

Answer:

I think that the ADA (Americans with Disabilities Act) has explicit regulations on slopes and ramps so that people with disabilities can go about their daily life easier, and to guarantee the safety and wellbeing of the disabled. If, for instance, a wheelchair ramp were too steep, there would be a danger of the wheelchair rolling down too quickly, or the person falling backward on their way up.

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2 years ago

6 times a number ,x, is at least 22

allochka39001 [22]

The answer is most likely 4 because 6 times 4 is 24 at that is atlas 22.

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2 years ago

Sarah completes 1/6 of a project in 1/4 of an hour at this rate how much of the project does Sarah complete per hour? Sarah comp

PtichkaEL [24]

Answer:

2/3

Step-by-step explanation:

Time it would take Sarah to complete the work in one hour = work completed in 1/4 hours x 4

We are multiplying by 4 because there are 4, 1/4 in an hour

1/4 + 1/4 + 1/4 + 1/4 = 1 hour

$\frac{1}{6}$ × 4 = $\frac{4}{6}$

To transform to the simplest form. divide both the numerator and the denominator by 2

= $\frac{2}{3}$

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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

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2 years ago

2 numbers that adds up to 40 and can be multiplied and equals 36

lesya [120]

20+20=40*.1 (10%) =4
40-4=36

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2 years ago