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jasenka [17]
3 years ago
8

A spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. The spinner is

spun several times, and the results are recorded below: Spinner Results Color Frequency Red 2 Blue 13 Green 14 Yellow 13 Purple 8 Based on these results, express the probability that the next spin will land on red as a decimal to the nearest hundredth.

Mathematics
1 answer:
MAXImum [283]3 years ago
7 0

The answer is 0.04 (I hope). Here is an explanation:

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Work out the size of angle x <br> Next to 164 and 90
Zielflug [23.3K]

Answer:

x=106 degrees

Step-by-step explanation:

I'm going to assume that this is a circle since you didn't give it to me

So you want to add 164 and 90 together and subtract the sum by 360

360-(164+90)=106

So you want to use PEMDAS (order of operations) to solve this

  1. so do what's in the perenthesis first so 164+90=254
  2. Then you want to subtract 254 from 360 so 360-254=106

x=106 degrees

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3 years ago
3.
Nutka1998 [239]

Answer:

the answer is 12

Step-by-step explanation:

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Find the diameter and radius of a circle with a circumference of 16 pi in
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16 pi?  well... 16 pi = 50.2654824574. So... the diameter would be 16 and the radius would be 8. I think!
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HELP ASAP FOR BRAINLIEST:
goldenfox [79]

Answer: y = -14/9(x + 4)^2 + 7

Step-by-step explanation:

The given roots of the quadratic function is (-1, -7)

The vertex is at (-4, 7)

The formula is

y = a(x - h)^2 + k

The vertex is (h, k)

Comparing with the given vertex, (-4, 7), h = -4 and k = 7

Substituting into the formula

y = a(x - h)^2 + k, it becomes

y = a(x - - 4)^2 + 7

y = a(x + 4)^2 + 7

From the roots given (-1, -7)

x = -1 and y = -7

Substituting x = -1 and y = -7 into the equation,

y = a(x + 4)^2 + 7, it becomes

-7 = a(-1+4)^2 + 7

-7 = a(3^2 ) + 7

- 7 = 9a + 7

-7-7 = 9a

9a = -14

a = -14/9

Substituting a = - 14/9 into the equation, it becomes

y = -14/9(x + 4)^2 + 7

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3 years ago
Given below are a collection of scores on a spelling test: 5,6,10,8,3,5,9,8,7,4,6,5,3,7,9,5,6,4,5,6,7,5,4,6 a.) construct a freq
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Compute relative frequencies
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