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kap26 [50]
3 years ago
10

Math Problem w Quadratics

Mathematics
1 answer:
oee [108]3 years ago
8 0
Opyion B hope this help!
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What is the number of sides of a regular polygon if each interior angle measures 160°?
Temka [501]

Answer:

18

Step-by-step explanation:

180-160 = 20 which equals the exterior angle

the sum of exterior angles is 360 so 360/20 = the number of sides as there is an exterior angle for every side

360/20 = 18

4 0
2 years ago
what is the probability of randomly selecting a score between 1 and 2 standard deviations below the mean?
velikii [3]

Answer:

0.13591.

Step-by-step explanation:

We re asked to find the probability of randomly selecting a score between 1 and 2 standard deviations below the mean.

We know that z-score tells us that a data point is how many standard deviation above or below mean.

To solve our given problem, we need to find area between z-score of -2 and -1 that is P(-2.

We will use formula P(a to solve our given problem.

P(-2

Using normal distribution table, we will get:

P(-2

P(-2

Therefore, the probability of randomly selecting a score between 1 and 2 standard deviations below the mean would be 0.13591.

8 0
3 years ago
Guys Stan lee is dead..... I need ur help
kipiarov [429]
Sure how can I help?
6 0
3 years ago
Read 2 more answers
Solve the quadratic equation using the quadratic formula.<br><br><br><br> 6x²- 9x + 2 = 0
DENIUS [597]

Answer:

x = 9 + √ 33 /12 ,  9 − √ 33  12

or

x = 1.22871355 … ,  0.27128644 …

Step-by-step explanation:

3 0
3 years ago
7) At what interest rate would a deposit of $50,000 grow to $111,277 in 25 years with continuous compounding?
Crank
C) 1.2%
Hope this helped !!
3 0
3 years ago
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