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3 years ago

Solve the following radical equation.21*+2 - 18-3 = 18+9x =

Mathematics

1 answer:

stiks02 [169]3 years ago

4 0

Answer:

x = -9, -2, and 3.

just set everything possible to 0.

since 0 = 0 it must be true.

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3 years ago

In one jar, I have two balls labelled 1 and 2 respectively. In a second jar, I have three balls labelled 0, 1 and 2 respectively

PolarNik [594]

Step-by-step explanation:

this is a kind of trick question, actually.

with whatever we draw, we produce X values as power of 3.

to be precise, we can have only

3⁰ = 1

3¹ = 3

3² = 9

3⁴ = 81

due to the possible combinations of drawn numbers (e.g. 3 cannot be created by a multiplication of 0s, 1s and 2s).

so, mostly, these results cannot be exact factors of 1024.

1024 cannot be divided by 3, nor by 9 nor by 81.

but 1024 is a multiple of 1 (as is every number).

so, we are looking at the probability to get 0 as multiplication result of the numbers on the 2 drawn balls.

the only possibilities are

1 and 0

2 and 0

out of in total 6 (2×3) different outcomes

1 and 0

1 and 1

1 and 2

2 and 0

2 and 1

2 and 2

the probability of this "0" event is again

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2 years ago

A loan company will provide a loan to Bill and Hillary for 75% of the appraised value of their home. The interest rate is 10.5%.

ivann1987 [24]

Answer:

The discount points will cost 3749.

Step-by-step explanation:

The first monthly interest payment is $820.

So, annual interest paid = $820\times12$ = $9,840

Now, converting the annual interest to decimal = $\frac{9840}{0.105}$ = $93,714.28

As given, the bank requires 4 discount points, this becomes 0.04.

So, total loan amount = $93714.28\times0.04$ = $3748.57 ≈ $3749

Hence, the discount points will cost 3749.

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3 years ago

Solve the following radical equation.21*+2 - 18-3 = 18+9x =​

Solve the following radical equation.21*+2 - 18-3 = 18+9x =