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3 years ago

Please help with all of these!!! VERY URGENT!!!

2 answers:

6 0

1.a coefficient is a number multiplying a variable so if 5 is multiplying x then that would make it the coefficient
2. a term is a number and a variable multiplying or being multiplied , so it would be 2x,and 4y.
3.a variable term is a unknown number multiplying or being multiplied, so it would be c and d
4.a constant term is a term that is not accompanied by a variable or is being multiplied by a number. so it would be 2, and 14

nlexa [21]3 years ago

5 0

1. The coefficient is 5
2. The terms are 2x, 4y, and 8
3. The variables are c, cd, d and d
4. The constants are 2 and 14

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4 years ago

What times what gives me -48 but adds to be -32?

oee [108]

Answer:

a couple of irrational numbers: -16±4√19, approximately {1.436, -33.436}

Step-by-step explanation:

Your question can be cast as the quadratic equation

x² +32x -48 = 0

The solutions can be found using the quadratic formula:

x = (-32 ±√(32² -4(1)(-48)))/(2(1)) = -16±√304 = -16±4√19

_____

Comment on the equation we used

We notice that when p and q are roots, the equation can be written ...

(x -p)(x -q) = 0 = x² -(p+q)x +pq

You want p+q = -32, pq = -48, so the equation is ...

x² -(-32)x +(-48) = 0

x² +32x -48 = 0 . . . . . . with parentheses eliminated

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3 years ago

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Answer:

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Step-by-step explanation:

C Vertex is (2, 27)

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3 years ago

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3 years ago

There are 30 boys in a sporting club. 20 of them play hockey and 15 play volleyball. Each boys plays at least one of the two gam

SVETLANKA909090 [29]

Answer:

5 boys play all the two games

25 boys play only one game

Step-by-step explanation:

Sets

There are two sets defined in the question: one for the boys who play hockey (H) and the other for the boys who play volleyball (V).

All the boys play at least one of the two games, so no elements are outside both sets.

There are 30 boys in total. 20 of them play hockey and 15 play volleyball. Since the sum of both numbers is greater than the total of boys, the difference corresponds to the boys who play both games.

Thus 20 + 15 - 30 = 5 boys play both games

Given that 5 boys are shared by both sets, from the 20 playing hockey, 15 play ONLY hockey. From the 15 boys playing volleyball, 10 play ONLY volleyball.

Thus 15 + 10 = 25 boys play only one game.

The Venn diagram is shown in the image.

7 0

3 years ago