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yKpoI14uk [10]
3 years ago
6

Tyson has a collection of 60 sports ribbons. Of these ribbons, 30% are first place ribbons, 45% are second place ribbons, and th

e rest are third place ribbons. How many third place ribbons are in Tyson’s sports ribbon collection?
15
27
32
18
give me a serious answer or I will report you and your account will be deleted
Mathematics
1 answer:
sesenic [268]3 years ago
4 0
The answer is 15.

30% of 60 = 18
45% of 60 = 27
27 + 18 = 45
60 - 45 = 15
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a store is having a sale where school supplies ate 30% off their original price, a backpack is $16 what was the sales price for
Lelechka [254]
16x.30=4.80
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6 0
3 years ago
A sample from 16 shortstops was obtained in an effort to determine whether shortstops have higher salaries than other players. T
marissa [1.9K]

Answer:

1.16 to 2.75

Step-by-step explanation:

The mean salary (millions of dollars) for shortstops was 1.95.

\bar{x}=1.85

The population mean for all baseball players was 1.85

\mu = 1.85

The population standard deviation was 1.61.

\sigma = 1.61

Formula of confidence interval :x-z\times \frac{\sigma}{\sqrt{n}} to x+z\times \frac{\sigma}{\sqrt{n}}

z at 95% confidence level = 1.96

Substitute the values in the formula

Confidence interval :1.95-1.96\cdot\frac{1.61}{\sqrt{16}} to 1.95+1.96\cdot\frac{1.61}{\sqrt{16}}

Confidence interval : 1.16 to 2.75

Hence the 95 percent confidence interval for these data is 1.16 to 2.75

8 0
3 years ago
Pedro has a square practice net in his backyard. The diagonal of the net is 6 feet. Find the length of one side of the net.
olasank [31]

Answer:

3sqrt2

Step-by-step explanation:

If a side length is a, then a^2 + a^2 = 36

2a^2 = 36

a^2 = 18

a = 3sqrt2

Or, you can remember that in a square, if you cut it in half diagonally, you get a 45-45-90 triangle, so the sidenglth is diagonal/sqrt2

5 0
3 years ago
What is the fourth term of a number pattern that begins with 250 and subtracts 13
Lana71 [14]
4th term would be
250 - (n-1)•13
250 - (4-1)•13
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211

check:
250
237
224
211

4 0
4 years ago
Given that sinθ=8/17 , what is cosθ ? Enter your answer, as a simplified fraction, in the boxes.
leonid [27]

Cosθ = 15/17

Step-by-step explanation:

Sinθ = 8/17

We know that,

Sin^2 θ + cos^2 θ =1

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1 - 64/289 = cos^2 θ

225/289 = cos^2 θ

Cos θ = √225/289

Cos θ = 15/17

4 0
3 years ago
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