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GuDViN [60]
3 years ago
13

(◞ ‸ ◟) PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP ≧﹏≦

Mathematics
1 answer:
Marrrta [24]3 years ago
4 0
<h2>It is an obtuse angle.</h2>

Step-by-step explanation:

Obtuse: An obtuse angle is an angle more than 90^\circ but less than 180^\circ.

Example : 110^\circ,135^\circetc.

Acute : An acute angle is an angle less than 90^\circ

Example : 30^\circ,45^\circ etc.

Straight : A straight angle is 180^\circ.

Right: A right angle is 90^\circ.

Since the angle is more than 90^\circ but less than 180^\circ . So, it is an obtuse angle.

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The taste test for PTC (phenylthiourea) is a common class demonstration in the study of genetics. It is known that 70% of the Am
AysviL [449]

Answer:

The variance for the number of tasters is 4.2

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are tasters, or they are not. The probability of a person being a taster is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The variance of the binomial distribution is:

V(X) = np(1-p)

It is known that 70% of the American people are "tasters" with the rest are "non-tasters". Suppose a genetics class of size 20

This means that p = 0.7, n = 20

So

V(X) = np(1-p) = 20*0.7*0.3 = 4.2

The variance for the number of tasters is 4.2

7 0
3 years ago
What percent is 14 over 81
postnew [5]

Answer:

17,28 %

Step-by-step explanation:

81 ..............  100%

14 ....................x%

x = 14×100/81 = 1400/81 ≈ 17,28 %

7 0
3 years ago
Read 2 more answers
Skylar and Rodrigo each recorded how far they traveled while skateboarding. Skylar traveled 65 feet in 5 seconds and Rodrigo tra
nikklg [1K]

9514 1404 393

Answer:

  1/2 ft

Step-by-step explanation:

Skylar's speed was ...

  (65 ft)/(5 s) = 13 ft/s

Rodrigo's speed was ...

  (108 ft)/(8 s) = 13.5 ft/s

Rodrigo traveled farther by (13.5 -13) = 0.5 ft per second.

7 0
2 years ago
Identity each pair of angles
ElenaW [278]
Do you have a protractor? You’ll need one measure the angles.
5 0
3 years ago
Read 2 more answers
PLEASE HELP QUICK :) multiple choice.
Damm [24]

Answer:

  • C. f(x) = x³ + 10x² + 7x - 18

Step-by-step explanation:

If the function has a factor of x + 9, then the function will have a zero output at x = -9

<u>Lets verify:</u>

  • A. f(-9) = (-9)³ - 8*(-9)² - 11*(-9) + 18 = -1260, No
  • B. f(-9) = (-9)³ + 10*(-9)² + 7*(-9) - 27 =  -9, No
  • C. f(-9) = (-9)³ + 10*(-9)² + 7*(-9) - 18 = 0, Yes
  • D. f(-9) = (-9)³ - 8*(-9)² + 11*(-9) + 27 = -1449, No
3 0
3 years ago
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