Please help me solve this whole problem!

Mathematics

2 answers:

Dvinal [7]3 years ago

3 0

I’m not good at math srry but hope someone answers the is for you

pogonyaev3 years ago

3 0

Answer:

positive slope

start at (0,-4)

rate of change = 5/1 or 5

x y

0 -4

1 1

2 6

i believe its proportional

Step-by-step explanation:

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Bryan bought cupcakes for his sister's birthday party. 15 cupcakes had sprinkles on top. The other 35 cupcakes did not have spri

podryga [215]

Answer: 30%

Step-by-step explanation:

Given: Cupcakes have sprinkles = 15

Cupcakes didn't have sprinkles = 35

Total cupcakes = 15+35 = 50

The percentage of the cupcakes had sprinkles = $\dfrac{\text{Cupcakes have sprinkles}}{\text{Total cupcakes}}\times100$

$=\dfrac{15}{50}\times100\\\\= 30\%$

Hence, the percentage of the cupcakes had sprinkles = 30%

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3 years ago

In how many ways can the letters of the word POLICEMAN be arranged if the 'word' must begin with L and end with a vowel? & W

Vladimir79 [104]

Answer:

20160 ways

Probability = 0.0556

Step-by-step explanation:

We have 9 different letters, so the total number of words we can make is:

$Total = 9! = 362880\ words$

If we want just the words that begin with L and end with a vowel, we would have the first letter "locked", so we have 8 letters remaining, and it must end with a vowel, so the last "slot" has just 4 possible values (A, E, I or O). Then we would have 4 possible values for the last letter and 7 remaining letters in the middle of the word:

$N = 4 * 7! = 4*7*6*5*4*3*2 = 20160\ words$