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Liula [17]
3 years ago
15

If Mrs Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups

of 5 students each,2 students are left over. What is the least number of students the class could have ?
Mathematics
1 answer:
guapka [62]3 years ago
6 0
The question means that when the number is 1 more than a multiple of 4 and two more than a multiple of 5. Write out multiples of 4 with one added on to them.
5,9,13,17,21,
Then write out multiples of 5 with one added on to them
7,12,17,22,
The smallest number that both lists share is 17, so that is the answer

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Which triangle is congruent to ABC?
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c

Step-by-step explanation:

the awnser is c

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Suppose a fair six sided die has been relabeled so that the 6 is replaced with another 5,i.e., the sides read 1,2,3,4,5,5. If th
Anvisha [2.4K]

Answer:

P(rolling five distinct values) = 1/3888

Step-by-step explanation:

We are told that I the fair sided dice, 6 is replaced with 5.

Thus,the numbers are now;

1,2,3,4,5,5.

This means a total of 6 possible numbers appearing.

Now, in these 6 numbers there are only 5 distinct numbers since 5 occurs twice.

P(1) = 1/6

P(2) = 1/6

P(3) = 1/6

P(4) = 1/6

P(5) = 2/6

Thus,probability of rolling 5 distinct values = 1/6 × 1/6 × 1/6 × 1/6 × 2/6 = 1/3888

8 0
3 years ago
Determine if the lines are parallel, perpendicular, or neither.<br> y=-2x – 4<br> 2x + y = 5
Otrada [13]

Answer:

parallel I think

Step-by-step explanation:

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7 0
3 years ago
14. How many ways can 4 students sit in a row of 19 chairs for a photograph?
olga_2 [115]

Answer:

they can each sit on floor by lining equally some can move back for example the shortest ones can sit medium tall can stand and the largest people can stand in the very back

8 0
3 years ago
What is the lateral area of the drawing?
katrin2010 [14]

The lateral area of the shape is the sum of the area of all lateral faces.

The area of the lateral face that is rectangle with sides 5 mi and 2 mi is

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As you can see the shape has all four lateral faces of the same rectangular form with the same sides lengths, therefore,

LA=4A=4\cdot 10=40\ mi^2.

Answer: correct choice is B.

8 0
4 years ago
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