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3 years ago

How many ways can 4 people sit at a table with 6 seats?

Mathematics

2 answers:

GREYUIT [131]3 years ago

8 0

4 people can sit at a table with 6 seats 24 ways.

Mashutka [201]3 years ago

3 0

24. I think you can arrange them 24 ways

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Find the number of positive integers n is less than or equal to 1000 such that 15n is a perfect square.

boyakko [2]

Answer:

8 positive integers.

Step-by-step explanation:

One value of n would be 15 because 225 = 15^2.

Other values are 225 * n where 15n <= 1000 and n is a perfect square.

So n = 4 gives us 225* 4 = 900 which is a perfect square and 15*4 = 60.

n = 9 gives us 225 * 9 which is a perfect square and 15*9 = 135.

n = 16 gives us 225*16 and 15*16 = 240 , so OK.

n = 25 gives a perfect square and and 15*25 = 375 - so OK.

n = 36 gives a perfect square and 15*36 = 540 - so OK.

n = 49 gives a perfect square and 15*49 = 735 - so OK.

n = 64 gives a perfect square and 15*64 = 960 - so ok.

n = 81 gives a perfect square and 15 * 81 = 1215 so NOT ok.

3 0

3 years ago

Divide the decimal 134.55 by the decimal 0.5

lina2011 [118]

Answer:

269.1

Step-by-step explanation:

8 0

2 years ago

M is the midpoint of segment GR. G has coordinates (11,-5) and M is (4,-4) Find the coordinates of R

7nadin3 [17]

Answer:

(3, -3)

Step-by-step explanation:

Given:

G = (11,-5)
M = (4,-4)
R = ?

Solution

R(x, y)

As per midpoint formula;

4 = (11 + x)/2 ⇒ x + 11 = 8 ⇒ x = 3
-4 = (-5 + y)/2 ⇒ y - 5 = -8 ⇒ y = -3
R = (3, -3)

4 0

3 years ago

What is the value of y? 54" A. 126° B. 730 C. 63° D. 540

Studentka2010 [4]

Answer: 63 degrees.

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

Therefore: 54 + y + y = 180

So 54 + 2y = 180

So 2y = 126

Therefore y = 63 degrees.

3 0

3 years ago

Read 2 more answers

Answer plz it’s impirtanttttt

Vinvika [58]

Part a) In 35 minutes, 25 number of pages have been read.

Part b) There is positive association between time and the number of pages being read

Step-by-step explanation:

Part a) What is the meaning of the point (35,25)

35 is the value of x-axis and 25 is the value of y-axis

x-axis represent Time(minute) while y-axis represent Number of pages read

So, in 35 minutes, 25 number of pages have been read.

Part b) Is the association between time and number of pages positive or negative? state the association in terms of variables.

Association is positive if increasing one variable, other variable is also increasing.

Association is negative if increasing one variable, other variable is decreasing.

In the given graph, the association is positive. Increasing the time, the number of pages being read are also increasing.

if time is 20 minutes, number of pages read are 12.5. if time is 25 minutes then number of pages read are 17

So, there is positive association between time and the number of pages being read.

Keywords: Association between variables

Learn more about Association between variables at:

#learnwithBrainly

3 0

3 years ago