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earnstyle [38]
3 years ago
6

Rewrite 3√5^2 with a rational exponent.

Mathematics
1 answer:
Law Incorporation [45]3 years ago
3 0

Answer:

C. 5 2/3

Step-by-step explanation:

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Determine the measure of ∠Y. images attached
Gwar [14]

Answer:

<h3>The answer is option C</h3>

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of ∠Y

To find the value of ∠Y we use tan

We have

\tan(∠Y)  =  \frac{25}{20}  \\  \tan(∠Y)  =  \frac{5}{4}  \\ ∠Y =  { \tan^{ - 1} } \frac{5}{4}  \\ ∠Y = 51.34019...

We have the final answer as

<h3>51.34°</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
What is the result of adding 20 to -20?
tensa zangetsu [6.8K]

Answer:

ur answer is 0 lols

Step-by-step explanation:

4 0
3 years ago
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What is the answer i really need help (−3)3 + (5 − 2)4
Katarina [22]
The answer to your question is 3
Reasons : -9+ 3•4= -9+12= 3.
8 0
3 years ago
Iq scores are normally distributed with a mean of 100 and a standard deviation of 15 if one person is randomly selected what is
beks73 [17]

probability that the persons IQ falls between 110 and 130 is 0.2286 .

<u>Step-by-step explanation:</u>

Step 1: Sketch the curve.

The probability that 110<X<130 is equal to the blue area under the curve.

Step 2:

Since μ=100 and σ=15 we have:

P ( 110 < X < 130 )=P ( 110−100 < X−μ < 130−100 )

⇒ P ( (110−100)/15< (X−μ)/σ<(130−100)/15)

Since Z = (x−μ)/σ , (110−100)/15 = 0.67 and (130−100)/15 = 2  we have:

P ( 110<X<130 ) = P ( 0.67<Z<2 )

Step 3: Use the standard normal table to conclude that:

P ( 0.67<Z<2 )=0.2286

Therefore, probability that the persons IQ falls between 110 and 130 is 0.2286 .

4 0
3 years ago
Plz help!! <br> If DF = 170, find the value of x. Then find DE and EF.
Firlakuza [10]

Answer

  • DE= 3x + 20 = 86
  • EF= 2x + 40=84

Step-by-step explanation:

DE: 3x + 20

EF: 2x + 40

DE+ EF= DF

3x+20 +2x + 40 = 170

5x + 60 =170

5x= 110

x= 22

  • DE= 3x + 20 = 86
  • EF= 2x + 40=84
8 0
2 years ago
Read 2 more answers
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