Please answer quickly! I’m so confused and I have no idea what to do! I will mark brainliest!

Mathematics

2 answers:

Dimas [21]2 years ago

6 0

Since this problem is compound interest, the formula would be:
500×(1.03)^20 = 903.056

FrozenT [24]2 years ago

6 0

We can use the I=P(1+RT) formula here.

I = 500(1+(0.03)(20))

I= 500(1.6)

I = $800

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julsineya [31]

Answer:

a. $\frac{1}{6}$

b. $\frac{67}{450}$

Step-by-step explanation:

Theoretical probability is what we expect to happen and experimental probability is what actually happens.

a. In theoretical probability, it doesn't matter what happened in the past. So basically we want to know the probability of rolling a 3 when a number cube is rolled.

There are 6 faces (from 1 to 6) in a number cube. And there is 1 "3". So the probabilty of rolling a 3 is:

1/6

b. In experimental probability, we need to know what happened before. When the cube was rolled 450 times, it came up "3", 67 times.

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3 years ago

An irregular parallelogram rotates 360° about the midpoint of its diagonal. How many times does the image of the parallelogram c

Ad libitum [116K]

Answer:

The correct options is A.

Step-by-step explanation:

The each diagonal of an irregular parallelogram divides the parallelogram in two equal and congruent parts. The diagonal bisects each other.

It means, if a irregular parallelogram rotates 180° about the midpoint of its diagonal, then the image of the parallelogram coincide with its preimage during the rotation.

If a irregular parallelogram rotates 360° about the midpoint of its diagonal, then the image of the parallelogram coincide 2 times with its preimage during the rotation.

Therefore the correct option is A.