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Andreyy89
3 years ago
14

HELLO I NEED HELP PLS

Mathematics
1 answer:
dalvyx [7]3 years ago
3 0
Don’t know the answer nor the explanation ! Same situation as of yours !
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there are 7 boys and girls in a club. How many different ways to form a queue starting with a girl after each girl?
Soloha48 [4]

Answer:

7 girls can go in the first place, 6 in the second, etc.

7! ways is the number of ways to arrange the girls.

likewise the boys can be arranged in 7! ways

The total number of ways becomes 7! * 7!

7! * 7! = 25,401 600 ways

8 0
2 years ago
What is the simplified form of the square root of 45?
Elodia [21]

Answer:

3sqrt(5)

Step-by-step explanation:

sqrt(45)

sqrt(9*5)

We know the sqrt(ab) = sqrt(a) sqrt(b)

sqrt(9) sqrt(5)

3sqrt(5)

6 0
3 years ago
Read 2 more answers
How many solutions does the equation have?
Elina [12.6K]

9514 1404 393

Answer:

  1 solution

Step-by-step explanation:

The coefficients of d are different on the two sides of the equation (3d vs 6d), so the equation has one solution.

__

Dividing by 3 gives ...

  d +11 = 2(d +33)

  d + 11 = 2d + 66

Adding -d-66 to both sides gives ...

  -55 = d . . . . . . the one solution

4 0
3 years ago
What is the coefficient on x in the product of (3x+2)(x+4)?
IceJOKER [234]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
If k represents a number then write an expression for the ratio of 3 less than k to 2 more than k
EleoNora [17]

The key words you should notice when looking at this word problem are “less than.” This means that the order is flipped, so “3 less than k” means “k minus 3.”

The expression for the ratio is k-3:k+3

Hope this helps

3 0
3 years ago
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