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densk [106]
2 years ago
5

A lecturer wants to divide a class of 18 students into 3 groups, each of 6 students, to do 3 different statistical projects.

Mathematics
1 answer:
Evgen [1.6K]2 years ago
8 0

Answer:

<h3>The lecturer has to divide the class into 3 groups of 6 which have 1 girl in each group to have 1 girl in each class.</h3>

(sry if this sounds a little akward didn't have enough time to type this answer out).

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Calculate the average speed of the car in m/s
Alina [70]

Answer:

14.4 m/s

Step-by-step explanation:

The speed of the car can be found by dividing the distance by the time. The distance is 0.8m 9 times or 0.8(9)=7.2 meters and the time is 0.5 seconds

s=\frac{d}{t} \\s=\frac{7.2}{0.5} \\s=14.4

3 0
3 years ago
ASAP. Pls help Pls help Pls help Pls help Pls help Pls help Pls help Pls help Pls help Pls help Pls help Pls help Pls help ASAP
nydimaria [60]

Answer:

333 ft^2

Step-by-step explanation:

Surface area is the sum of all the areas of the shape.

First, the area of the square in the center is simply 9x9 = 81.

The area of a triangle is (bh)/2, where b = base, and h = height

In the triangle, 9 is the base, and 14 is the height:

(9x14)/2 = 63

There are four triangles of the same area:

63 x 4 = 252

252 + 81 = 333

5 0
2 years ago
Read 2 more answers
How many x intercepts does the graph of y =|x-2|+12
WARRIOR [948]

Answer:

The graph not have x-intercepts

Step-by-step explanation:

we know that

The x-intercept is the value of x when the value of y is equal to zero

we have

y=\left|x-2\right|+12

This is the equation of an absolute value in vertex form open upward

The vertex is the point (2,12)

The y-coordinate of the vertex is above the x-axis and the graph open upward

That means ----> The graph do not intersect the x-axis

therefore

The graph not have x-intercepts

<u><em>Verify</em></u>

For y=0

substitute in the equation

0=\left|x-2\right|+12

\left|x-2\right|=-12 ----> is not true

The left side of the equation cannot be a negative number

so

The equation not have solution for y=0

therefore

The graph not have x-intercepts

see the attached figure to better understand the problem

8 0
3 years ago
Which triangle is a right isosceles triangle?
Romashka [77]

Answer:

A is the correct answer

Step-by-step explanation:

Hope that helps

4 0
3 years ago
How do i tell whether the given side length is a right angle
erica [24]

Answer:

The sum of the lengths of any two sides of a triangle is greater than the length of the third side. If you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. If that is not true, then it is not possible to construct a triangle with the given side lengths.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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