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lana [24]
2 years ago
10

Kena calculates that she spends 15% of a school day in science class. If she spends 75 minutes in science class, how many minute

s does Kena spend in school?
Mathematics
1 answer:
ankoles [38]2 years ago
5 0

Answer:

Step-by-step explanation:

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Ariel has a standard deck of 52 cards. She draws one card from the deck and then replaces it. She then draws a second card from
BaLLatris [955]
A) probability of sequences can be calculated by multiplying the probability of the first event by the second, etc. until the end of the series. Thirteen cards are clubs in a 52 card deck, so the initial probability of drawing a club is 13/52, or 0.25 (25%). This means that the cumulative probability is 0.25 x 0.25, or 0.0625 (6.25%).

B) Like part a, the initial probability of finding a green marble is 6/16, or 0.375 (37.5%). When not replacing the marble, the second probability is now 5/15, or 0.33 (33.3%), due to the loss of this marble. This means that the cumulative probability is 0.375 x 0.333, or 0.1249 (12.49%).

C) The initial probability of finding a green apple is 4/6, or 0.66 (66.6%). The second probability, when not replacing the apple is now 2/5, or 0.4 (40%) - the loss of the apple affected the total number of apples, but didn’t affect the number of red apples. This means that the cumulative probability is 0.666 x 0.4, or 0.266 (26.6%).

D) Unfortunate, I don’t know what the problem is asking, so I can’t answer this for you.
8 0
3 years ago
Read 2 more answers
A painting crew bought 30 gal of paint for a job. The crew members used 3 gal of paint per hour until they used all the paint.
MatroZZZ [7]

Answer:

Top top right graph is the correct answer.

Step-by-step explanation:

If the crew bought 30 gallons of paint and used 3 gallons per hour, they would run out in 10 hours. The only graph that shows this is the top right graph.

<u>Check</u>

3 x 10 = 30

^^My answer is correct ;)

3 0
3 years ago
X is ........... variable | Maths Questions
makvit [3.9K]

Answer:

B. Independent

Step-by-step explanation:

Hope this helps

8 0
3 years ago
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The following 5 keys are for the following 5 locked padlocks. Each key opens one and only one padlock. Different keys open diffe
Scilla [17]

{5}^{5}

is the answer.

7 0
3 years ago
Solve for [x]. The polygons in each<br> 2x-20<br> 16<br> 16<br> 8
Nataly_w [17]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \:x = 16

____________________________________

\large \tt Solution  \: :

If two polygons are similar, their corresponding sides ratios will be equal to each other.

\qquad \tt \rightarrow \:  \cfrac{8}{16}  =  \cfrac{2x - 20}{24}

\qquad \tt \rightarrow \:  \cfrac{1}{2}  =  \cfrac{2x - 20}{24}

\qquad \tt \rightarrow \: 2x - 20 =  \cfrac{24}{2}

\qquad \tt \rightarrow \: 2x = 12 + 20

\qquad \tt \rightarrow \: 2x = 32

\qquad \tt \rightarrow \: x = 16

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

7 0
2 years ago
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