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topjm [15]
3 years ago
12

I need help!! Please the first drop down are (area,diameter,radius) and the second drop down are (1/3,1/2,2,3) and the last drop

down are (area,diameter,radius)

Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0

Answer:

The Area of circle is 1/2 times the radius times the circumference.

Hope this helps!!!

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Create and evaluate an expression that shows "the quotient of eight raised to the power of two and four, decreased by six."
AnnyKZ [126]

((8^2)/4)-6 = (64/4)-6 = 16-6 = 10
5 0
3 years ago
The length of time before a seed germinates when falling on fertile soil is approximately Normally distributed with a mean of 60
PIT_PIT [208]

Answer:

b. 0.12

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 600, \sigma = 100

What is the probability that a seed will take more than 720 hours before germinating?

This is 1 subtracted by the pvalue of Z when X = 720. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{720 - 600}{100}

Z = 1.2

Z = 1.2 has a pvalue of 0.88.

1 - 0.88 = 0.12

So the correct answer is:

b. 0.12

4 0
3 years ago
-4a^-(6a-2) + 3 (a^-1).please solve.the arrows that are pointing up is exponent 2.
Gennadij [26K]
Simplify: -4a^-(6a-2)+3(a^-1) With the ^ being (2)...

Answer: -a^ -6a -1

The  ^ = 2
3 0
4 years ago
Jackson is playing a game of chance where he must randomly draw a marble out of a jar. He calculates the probability of drawing
madam [21]

Answer:

12/15

Step-by-step explanation:

If the probability of drawing a read marble is 3/15

Then that would just make the probability of NOT drawing a red marble 12/5

5 0
3 years ago
how do you solve this problem to find the measure of the angle indicated in bold? thank you pls answer!
Mnenie [13.5K]

Answer: 85 degrees

Step-by-step explanation: 20x+5+24x-1=180

                                                         44x+4=180

                                                           -4         -4

                                                              44x=176

               division property of equality  x=4

20(4)+5=

80+5=  85 degrees

5 0
3 years ago
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