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labwork [276]
3 years ago
8

Jasmine needs to make a bouquet of 24 yellow and orange carnations. The ratio of yellow carnations to all of the carnations must

be 1 to 3. She determines that she will need 8 orange carnations for the bouquet. Which statement correctly describes her error?
Mathematics
1 answer:
aleksley [76]3 years ago
4 0

Answer:

3

Step-by-step explanation:

just did it

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A regular six-sided die is rolled 1000 times. Use the binomial distribution to determine the standard deviation for the number o
ANTONII [103]

The standard deviation for the number of times an odd number is rolled is 15.8

<h3>How to determine the standard deviation?</h3>

The given parameters are:

Die = regular six-sided die

n = 1000

The probability of rolling an odd number is:

p = 1/2 = 0.5

The standard deviation is then calculated as;

\sigma = \sqrt{np(1 - p)

This gives

\sigma = \sqrt{1000 * 0.5 * (1 - 0.5)

Evaluate the products

\sigma = \sqrt{250

Evaluate the root

\sigma = 15.8

Hence, the standard deviation is 15.8

Read more about standard deviation at:

brainly.com/question/16555520

#SPJ1

8 0
2 years ago
What is the average of 301,317,167 and 319​
Artemon [7]

Answer:

150658743

Step-by-step explanation:

(301 317 167+319)÷2=150658743

4 0
2 years ago
She worked a total of 15 hours. If she makes $15 per hour tutoring and $9 per hour at the grocery store and made a total of $159
Ugo [173]

Answer:

11 hours she worked at the grocery store

Step-by-step explanation:

assuming,

the number of hours worked at tutoring = x

the number of hours worked at grocery store = y

which means,

the amount she made at tutoring = x* $15

the amount she made at grocery store = y*$9

we have 2 equations

<em>total number of hours</em>

1) x+y= 15  

<em>total amount she earned</em>

2) x* $15+ y* $9= $159

From equation 1

x+y= 15  

x=15-y

<em>we replace this x value in equation 2</em>

x* $15+ y* $9= $159

(15-y)* $15+ y* $9= $159

(15*15)- 15y+9y=159

225-6y=159

225-159=6y

66=6y

66/6=y

<u>11=y</u>  <em>the number of hours she worked at grocery store. </em>

<em>we place y=11 in our derived x equation</em>

x=15-y

x=15-11

<u><em>x=4 </em></u><em>the number of hours she worked at tutoring. </em>

3 0
3 years ago
Mario can eat 21 hot dogs in 6 minutes. At the same place, how many minutes would it take him to eat 35 hot dogs? ​
anyanavicka [17]

Answer:

10 minutes

Step-by-step explanation:

Mario can eat e21 hot dog in 6 minutes

Let 35 hot dog  eats in x minutes :

\frac{35}{x} =\frac{21}{6} \\x=\frac{35(6)}{21} \\x=10 min

Therefore, mario would eat 35 dogs in 10 min.

6 0
3 years ago
Line (5,-4), slope -4 <br><br> Y-intercept =
user100 [1]

Answer:-2.75

Step-by-step explanation: y+4=-4(x-5) y+4=-4x+5/4 y=-4x-2.75

4 0
3 years ago
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