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3 years ago

Select all the values that make the inequality true

Mathematics

1 answer:

elena55 [62]3 years ago

7 0

Answer:8

Step-by-step explanation: it cannot be 2, 6, or 5 because they are all less than 7.

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There are 5 girls and 5 boys in a chess club. The club holds a round-robin tournament in which every player plays against every

Bess [88]

1. In how many games does a girl play against a boy?
A: Because there are 5 girls, each will play against 5 boys, so in total is 5*5 = 25 times.

2. In how many games does a girl play against another girl?
A: In this case, we only need to calculate how many girl pairs are there among these 5 girls, and it become a combination problem which can solved by $C^{2}_{5}=\frac{5*4}{2*1}=10$

3.The fraction of games "B vs B" should be the number of "B vs B" (which is 10) divide the total number of the games "B vs B" & "G vs G" & "B vs G" (which is 10+10+25=45, see the analysis in 1.A and 2.A), so the fraction should be 10/45=2/9

4.One person will have to play against 9 people at the tournament, and the total number of the games is 45, so the fraction should be 9/45 = 1/5

7 0

2 years ago

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The sum of two numbers is 41. The smaller number is 17 less than the larger number. What are the numbers?

Sergio [31]

29 and 12! 29 + 12 comes out to 41 and 29 - 12 comes out to 17. I hope this helps!!

7 0

2 years ago

What is 2.24 rounded to the nearest tenth?

quester [9]

One tenth is 0.1. Therefore, the answer has to be 2.x. Since 4 is less than 5, the 2 remains the same. The answer is 2.2.

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2 years ago

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A clothing store spends $10 for each shirt it produces and has fixed costs of $400. If the store makes 50 shirts, how much shoul

Kazeer [188]

Answer:

b)$18

Step-by-step explanation:

The break even point is when the revenue is equal to the cost.

Revenue:

How much the store earns for each shirt.

We want to find the price of each shirt, and 50 shirts will be made.

So the revenue function is:

$R = 50p$

In which p is the price.

Costs:

A clothing store spends $10 for each shirt it produces and has fixed costs of $400.

So for 50 shirts:

400 + 50*10 = 900

Breakeven

Revenue equals cost

50p = 900

p = 900/50

p = 18

So the correct answer is:

b)$18

8 0

2 years ago

I really need help Dz,2 of X is (0-4) (2,-2) (6,2)

kvv77 [185]

9514 1404 393

Answer:

(6,2)

Step-by-step explanation:

As is often the case with multiple-choice problems, you don't actually need to know the detailed working. You just need to know what the answer looks like.

When point X is dilated by a factor of 2 with point Z as the center of dilation, it will move to a location twice as far from Z. You can tell by looking at the graph that X' will be in the first quadrant, above and to the right of the location of X. The only sensible answer choice is ...

X' = (6, 2)

_____

Additional comment

X is a distance of X-Z = (4, 0) -(2, -2) = (2, 2) from Z Doubling that will put the image point a distance of 2(2, 2) = (4, 4) from Z. When this is added to Z, we find ...

X' = Z + (4, 4) = (2+4, -2+4) = (6, 2)

8 0

2 years ago

Select all the values that make the inequality true​

Select all the values that make the inequality true