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Marrrta [24]
3 years ago
6

A circle is divided into 18 equal parts. How many degrees is the angle for 5 parts? Explain

Mathematics
2 answers:
Studentka2010 [4]3 years ago
6 0
25, each individual angle is 5 degrees
Nimfa-mama [501]3 years ago
6 0
Acircle is 360degrees divide by 18= 20
360/18=20 x 5 = 100, each individual angle is 20 degrees. I hope it help.
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What sports do you play?​
slavikrds [6]

Answer:

football

Step-by-step explanation:

also known as soccer

7 0
3 years ago
Evaluate -a+(-b)−a+(−b)minus, a, plus, left parenthesis, minus, b, right parenthesis where a = 6.05a=6.05a, equals, 6, point, 05
swat32

Answer: -9.66

Step-by-step explanation:

Here the given expression,   -a + (-b)

Where  a = 6.05 and b =3.61

By putting the given values of a and b in the given expression,

We get,

- 6.05 + ( -3.61)

= -6.05 - 3.61

= - (6.05 + 3.61)

= - 9.66

3 0
3 years ago
Read 2 more answers
A manufacturer makes golf balls whose weights average 1.62 ounces, with a standard deviation of 0.05 ounces. Estimate the probab
saul85 [17]

Answer:

P(-1 < z < 1)  = 0.3174

Step-by-step explanation:

Mean (μ) = 1.62 ounces

Standard Deviation (σ) = 0.05

No of balls (sample size n) = 100

X = weight of a ball

Weight of a group of 100 balls must lie in the range 162 ± 0.5 ounces i.e. weight of a single ball will be 162/100 ± 0.5/100 ounces = 1.62 ± 0.005 ounces.

So, we need to find the probability P (1.615 < X < 1.625). We will use the central limit theorem.

z = (Χ' - μ)/(σ/\sqrt{n})

P (1.615 < X < 1.625) = (\frac{1.615 - 1.62}{0.05/\sqrt{100} } < (Χ - μ)/(σ/\sqrt{n}) < \frac{1.625 - 1.62}{0.05/\sqrt{100} })

                                = (-1 < z < 1)

We need to find the probability of P (-1 < z < 1) by looking at the Normal Distribution Probability Table.

In order to make our working simpler, we need to break P (-1 < z < 1) into two parts: P(z < 1) and P(z > -1)

The probability for areas under the normal curve are given for P(z>X) so we can directly find the probability of P (z > -1) by referring to the normal probability table.

P(z > -1) = 0.1587

We can calculate P(z < 1) by subtracting P(z >1) from the total probability (i.e. 1). P(z >1) can be obtained from the normal probability table.

P(z < 1) = 1 - 0.8413 = 0.1587

By adding the two probabilities together, we get:

P(-1 < z < 1) = P(z < 1) + P (z > -1)

                   = 0.1587 + 0.1587

P(-1 < z < 1)  = 0.3174

6 0
3 years ago
a student earns 42 points out of 60 points on a test what percent of the points did the student answer​
pochemuha

Answer:

It would be a 70%

Step-by-step explanation:

Convert fraction (ratio) 42 / 60 Answer: 70%

6 0
3 years ago
Read 2 more answers
What is -20 and 3/4 as a decimal.
REY [17]

Answer:

20.75

Explanation:

20+3/4

= 20.75

= 2075

6 0
3 years ago
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