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MatroZZZ [7]
2 years ago
7

A class has 30 students. In how many different ways can five

Mathematics
1 answer:
Rina8888 [55]2 years ago
3 0

there are 142,506 different ways to form the five groups.

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Really urgent!!!!
Pie

Answer:

Step-by-step explanation:

Find the lowest common multiple between the numbers

35 = 5×7

40 = 2³×5

42 = 2×3×7

So the lowest common multiple is:

2³×3×5×7 =840 minutes

840 minutes is 14 hours so the next time they are all at the interchange is 2020 hours.

7 0
3 years ago
1.5 x 10 to the power of 8
trasher [3.6K]

Answer:

150000000

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the measure of angle b
blondinia [14]

Answer:

130°

Step-by-step explanation:

a straight line is 180°

so you have

180°-50°= 130°

6 0
3 years ago
Read 2 more answers
An architect is designing a house in which a 104 square foot room and a 130 square foot room share a wall what is the greatest p
Alla [95]
Both rooms share a common side whose dimension is unknown. Call it x.

Then, the area of both squares have x as common factor.

So, x is the greatest common factor of 104 and 130.

You should know how to calculate the greatest common factor of two integers.

Just find the prime factors and choose the common factors raised to the lowest exponent.

104 = (2^3) (13)

130 = (2) (5)(13)

=> the greatest common factor is 2 * 13 = 26, and that is the greatest possible integer length of the shared wall.

Answer: 26



8 0
3 years ago
Find the measure of ZB.
RoseWind [281]

The sum of the inside angles of a triangle, always sum up to 180 degrees. Using this information, we can create the following equation for this problem:

(3x-2)\text{ +(6}x\text{+11)+(5}x\text{ +3) = 180}

Adding up all terms with 'x' and adding the other together, we have the following equation:

\begin{gathered} (3x+6x+5x)+(11+3-2)=180_{} \\ 14x+12=180 \\ 14x=180-12=168 \end{gathered}

Solving this last equation for 'x', we have the following:

\begin{gathered} 14x=168 \\ x=\frac{168}{14}=12 \end{gathered}

Then, the final answer for the 'x' value is twelve!

6 0
1 year ago
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