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Ad libitum [116K]
3 years ago
10

There are 200 athletes at a meeting each give a Valentine's Day card to

Mathematics
2 answers:
Rufina [12.5K]3 years ago
7 0

Answer:

200

Step-by-step explanation:

200 cards were given for 200 athletes

dem82 [27]3 years ago
7 0

Answer:

400

Step-by-step explanation:

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The sum of 2 number is 42 and when you switch the order the difference is 5
Ksivusya [100]
So, x + y = 42 and y - x = 5;
Then, y = x + 5;
Finally, x + x + 5 = 42;
2x + 5 = 42;
2x = 37;
x = 18.5;
y = 18.5 + 5;
y = 23.5;
4 0
3 years ago
If cos -105º = -0.26 and csc -105º = -1.03, then cos 105º = ?<br> and csc 105º = ?
labwork [276]
Cos 105 will also be -0.26

csc 105  = 1.03
4 0
3 years ago
How to find area of sector with radius and central angle?
ddd [48]
If you have not already, convert the angle into a radius. xπ/180 where x is the angle in degrees. 

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Hope I helped :) 
8 0
3 years ago
In 1985, the cost of clothing for a certain familiy was $620. In 1995, 10 years later, the cost of clothing for this famility wa
Sholpan [36]

Answer:

$848

Step-by-step explanation:

Calculation for the cost of this familiy's clothing in 1991

First step is to calculate the amount that is increase per year

Increase per year= ($1000-$620)/(1995-1985)

Increase per year= 380/10

Increase per year= $38

Now let y be :38*x + $620 and let x be 6 years (1991-1985)

Second step is to calculate the cost of the clothing in 1991

y = 38*6 + 620

y=228+620

y = $848

Therefore the cost of this familiy's clothing in 1991 will be $848

6 0
3 years ago
Pls help me complete this
snow_tiger [21]

Answer: The number of times a yellow cube will be drawn is 390 times.

Step-by-step explanation: Like the last question with the blue cubes, set up a ratio.

Since it is still 240 times drawn and we need to figure out how many times a yellow cube will be drawn from 1200 times, the top number only changes.

78/240 = x/1200

Multiply 78 and 1200, which is 93,600.

Divide that by 93,600, which is 390.

7 0
3 years ago
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