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natka813 [3]
3 years ago
6

Fraction math problems, have lots tonight need help for some

Mathematics
1 answer:
Vanyuwa [196]3 years ago
7 0

Answer:

5

Step-by-step explanation:

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5. Twenty-five sixth-grade students entered a math contest consisting of 20 questions. The student who
Grace [21]

Answer:

two coins are flipped:

  • if dime land heads and nickel land heads then Allan wins
  • if dime land heads and nickel land tail then Beth wins
  • if dime land tail and nickel land heads then Carlos wins
  • if dime land tail and nickel land tail then Denesha wins

Step-by-step explanation:

The method described above is fair since the probability of each case is 0.25.

If the two coins are flipped:

  • The probability dime land head is 0.5
  • The probability dime land tail is 0.5
  • The probability nickel land head is 0.5
  • The probability nickel land tail is 0.5

Then the probability dime land heads and nickel land heads is 0.5 × 0.5 = 0.25.

The other four cases are calculated similarly and their probability is also 0.25

6 0
4 years ago
Tim has read ​10% of a book. He has 45 more pages to finish. How many pages are there in the​ book?
Monica [59]

if Tim has read 10% of the book, that means he still hasn't read 90% of it yet, and we know that that 90% is 45 pages, so say the book has a total amount of pages of "x", which is 100%.

\begin{array}{ccll} pages&\%\\ \cline{1-2} 45&90\\ x&100 \end{array}\implies \cfrac{45}{x}=\cfrac{90}{100}\implies \cfrac{45}{x}=\cfrac{9}{10} \\\\\\ 450=9x\implies \cfrac{450}{9}=x\implies 50=x

6 0
3 years ago
Halla los cocientes y los restos de estas divisiones de polinomios pordos procedimientos diferentes
e-lub [12.9K]
<span> <span> Change the verbs in italics to indicate that they were in progress at a time in the past. </span> </span>


<span> <span> <span>1. Marta comía en el comedor.


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7 0
4 years ago
What is 34 + 35, I had a hard time thinking
Licemer1 [7]
69. Oh yes the memes indeed.
3 0
3 years ago
Read 2 more answers
ANSWER FAST PLEASE!!
matrenka [14]

Answer:

D

Step-by-step explanation:

D is a function because it passes the vertical line test, meaning that you can draw a vertical line anywhere through the graph and it will only it the lines one time.

5 0
3 years ago
Read 2 more answers
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