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quester [9]
3 years ago
11

There are 25 students in maggies science class. Her teacher will randomly choose 2 students to give their oral reports on monday

and 4 different students to give their reports on tuesday. What is the probability that maggie will be chosen to give her report on monday or tuesday?
A. 2/25
B. 4/25
C. 146/575
D. 288/575
Mathematics
1 answer:
Drupady [299]3 years ago
8 0

Answer:

She has a 4.16667% chance of having to go those days so my guess would be 4/25 (B)

Step-by-step explination

You add 2 and 4 and get 6. divide 25 by 6 then you get the answer I stated before and I rounded down.

You might be interested in
2. There are some nickets, dimes, and quarters in a large piggy bank. For every 2 nickels, there are 3 dimes. For every 2 dimes,
Elena-2011 [213]

Answer:   There are 80 nickels, 120 dimes, and 300 quarters.

Step-by-step explanation:

Since for every 2 dimes there are 5 quarters, and for every 2 nickels there are 3 dimes, there can be 4 nickels, so there will be 6 dimes and 15 quarters. When you add all of them up it equals 25, so you take 500 divided by 25, and that equals 20, so you take the 4 nickels, 6 dimes, and 15 quarters times 20.

20 x 4 = 80

20 x 6 = 120

20 x 15 = 300

Hope this helps! :D

5 0
3 years ago
At the grocery store, Diego has narrowed down his selections to 4 vegetables, 8 fruits, 6 cheeses, and 4 whole grain breads. He
maks197457 [2]

Answer:

Diego can choose the 15 items in 128 different ways.

Step-by-step explanation:

Since at the grocery store, Diego has narrowed down his selections to 4 vegetables, 8 fruits, 6 cheeses, and 4 whole grain breads, and he wants to use the Express Lane, so he can only buy 15 items, to determine how many ways can he choose which 15 items to buy if he wants all 6 cheeses the following calculation must be performed:

4 x 4 x 8 = X

16 x 8 = X

128 = X

Therefore, Diego can choose the 15 items in 128 different ways.

6 0
3 years ago
(08.02 LC)After conducting a survey of all her classmates, Midge discovers that the amount of money everyone spends buying books
klasskru [66]
A mean of thirty dollars on books would mean on average for her classmates.
5 0
3 years ago
Rename 5/6 and 14/15 using the least common denominator.
baherus [9]

Answer:

\frac{25}{30}~and~\frac{28}{30}

  • Multiply 5 by 5 to get your first parameter.

5 * 5 = 25

  • Multiply 6 by 5 to get the denominator, or your second parameter.

5 * 6 = 30

  • For the second fraction, \frac{14}{15}, you need to multiply both parameters by 2, similar to before, but we now must use a different number, otherwise, the denominators will not be the same.

14 * 2 = 28

  • Now, multiply 15 by 2

15 * 2 = 30

  • The last step is to put these numbers you gathered into fractions. The bigger number always goes on the bottom, referred to as the denominator, while the smaller number, referred to as the numerator, always goes on the top.

25~and~30 -- > \frac{25}{30}

28~and~30-- > \frac{28}{30}

________________________________________________________

Finally, the problem is solved. Now that the problem is solved, we review what we just learned <em>not through more problems, though.</em>

________________________________________________________

<h3>What have we learned?</h3>

We learned how to efficiently make fractions' deominators match.

Questions related to this topic? Ask me in the comments box, please!

8 0
3 years ago
Alan mixes 1 1/3 cups of milk with a can of condensed soup. He makes a total of 2 5/8 cups of soup. How many cups of condensed s
Alborosie
Subtract 2_5/8 minus 1_1/3:
First, get the fractions to have a common denominator by multiplying the denominators together: 8*3 = 24
Rewrite both fractions with this new denominator:
5/8 needs to be multiplied by 3 on top and bottom to make it have a denominator of 24:
5/8 * 3/3 = 15/24
1/3 needs to be multiplied by 8 on top and bottom to make it have a denominator of 24:
1/3 * 8/8 = 8/24
Now that the fractions have been rewritten with the same denominator, subtract the mixed numbers:
2_15/24 - 1_8/24
Whole numbers:
2 - 1 = 1
Fractions:
15/24 - 8/24 = 7/24.
The can of condensed soup contains 1_7/24 cup
3 0
4 years ago
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