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FinnZ [79.3K]
3 years ago
8

The ratio of boys to girls in Mr. Castillo's class is 2 to 3. Which of the following cannot be the total number of students in M

r. Castillo's class: 20, 24, 25, or 30?
Mathematics
1 answer:
WARRIOR [948]3 years ago
3 0
Answer is 24 because you cannot divide 24 by 5 without getting a decimal
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Solve the inequality: x^2 - 2.2x + 1.21
Scorpion4ik [409]
No solution / no x

D=b^2-4*a*c -> D=-4^2-4*1*21 -> D=-28 -> D<0, no solution
3 0
3 years ago
Indicate which sets are disjoint to the given set
marysya [2.9K]

If the intersection of two sets is a null set or an empty set, then two sets A and B are disjoint sets. The intersection of a set is therefore empty.

<h3>Explain about the disjoined set?</h3>

Disjoint sets are a pair of sets that do not share any elements. For instance, the sets A=2,3 and B=4,5 are not connected sets. However, set C=3,4,5 and set C=3,6,7 are not disjoint since 3 is a common element in both sets C and D.

Now that we are clear on the disjoint set's definition, let's go on to talking about some more important topics, such the notation and Venn diagram related to it. A B = is the notation used for this particular set. As an illustration, suppose A = 1, 2, 3, and B = 4, 5, 6, 7. A + B = then.

To learn more about disjoined set refer to:

brainly.com/question/28165517

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8 0
1 year ago
Determine the time needed to deliver 72 papers at a rate of 9 papers in 18 minuets
monitta
Hey there,

Question : <span>Determine the time needed to deliver 72 papers at a rate of 9 papers in 18 minuets

Answer : 
9 papers = 18 min
1 paper = 18 / 9
             = 2 min
72 papers = 2 x 72
                 = 144 mins

Hope this helps :))

<em>~Top♥</em>
</span>
3 0
3 years ago
Rice weighing 33/4 pounds was divided equally and placed in 4 containers. How many ounces of rice were in each?
QveST [7]

Answer:

The answer is 15 ounces

Step-by-step explanation:

33/4 ÷ 4 pounds.

(4 × 3 + 3)/4 ÷ 4 pounds.

15/4 ÷ 4 pounds.

15/4 × 1/4 pounds.

15/16 pounds.

Now we know that, 1 pound = 16 ounces.

So, 15/16 pounds = 15/16 × 16 ounces = 15 ounces.

Thus, The answer is 15 ounces

8 0
3 years ago
Please help this is due at 11
ollegr [7]

me at 1:36pm: oh no,  i hope he got his answer

8 0
3 years ago
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