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Daniel [21]
3 years ago
11

Find the perimeter of the isosceles triangle in simplest radical form.

Mathematics
1 answer:
neonofarm [45]3 years ago
4 0

9514 1404 393

Answer:

  6 +8√5

Step-by-step explanation:

The leg length can be reduced to simpler form:

  3 +√45 = 3 +√(3²·5) = 3 +3√5

The perimeter is the sum of the side lengths, so is ...

  (3 +3√5) +(3 +3√5) +(2√5) = 6 +8√5 . . . perimeter

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Ciana wants to buy a shirt that regularly cost 30$.It is on sale for 40$ off. How much is Ciana saving on the shirt?Please help
DerKrebs [107]

Answer:

I think you meant 40% off. If so...

Step-by-step explanation:

First, you have to turn 40 into a decimal - .40.

Then you multiply 30*.40 and get 12.

Subtract 12 from 30 since you are saving 12 dollars.

This means you spend $18 and saved $12.

So, your final answer would be $12.

Hope this helps :)

5 0
3 years ago
Read 2 more answers
Log (x+2) base 5- log (x) = log (2x-1) base 5 - log (3x-12) base 5
Vlad [161]

Answer:

x ≅ 5.44864209

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

3 0
3 years ago
Suppose that the weights of 5400 registered female Labrador retrievers in the United States are distributed normally with a mean
Maurinko [17]

Answer:

N= 4543 Labrador retrievers

Step-by-step explanation:

We know that the mean \mu is:

\mu = 62.5

and the standard deviation \sigma is:

\sigma=2.5

The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

P(X

We calculate the Z-score for X =65

Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1

So

P(X

Looking in the table for the standard normal distribution we have to:

P(Z.

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

N = P(X

N = 0.8413*5400

N= 4543 Labrador retrievers

6 0
3 years ago
A right rectangular prism is 5 inches long 12 inches wide and 8 inches tall
kolbaska11 [484]
The volume is 480. Hope this helped
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3 years ago
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Can anybody help me with this
Vanyuwa [196]
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