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3 years ago

Is it linear or exponential

Mathematics

1 answer:

kaheart [24]3 years ago

4 0

The relationship for this function is linear love

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Which relation is a direct variation that contains the ordered pair (2, 7)?

Tasya [4]

Lets write equation of a function:

y = kx + n

Direct variation in simple is equation of a line which has n=0 or in other words which y to x ratio is k.

First option gets 7=7 but it isnt direct variation because n is not equal to 0

third option is indeed correct. once we implement coordinates (2,7) we get 7=7

Answer is
y = 7/2x

8 0

2 years ago

Please please help me! all you smart math people please give me a hand

Step2247 [10]

Answer:

Step-by-step explanation:

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2 years ago

8. John's kite is 45 ft above the ground.

skad [1K]

Answer:30

Step-by-step explanation:

45-12=33 nearest tenth is 30

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2 years ago

PLz FAAAAAAAAASTTTTTTTTT!!!!!!!! HAAALPP

bonufazy [111]

Answer:

any value of a makes the equation true.

Step-by-step explanation:

4 0

2 years ago

An NFL coach sometimes uses a defense that utilizes 3 defensive linemen, 4 linebackers, and 4 defensive backs. His roster (the p

Alexandra [31]

Answer:

68,600

Step-by-step explanation:

The order of the players is not important. For example, a defensive line of Shaq Lawson, Ed Oliver and Jerry Hughes is the same as a defensive line of Ed Oliver, Shaq Lawson and Jerry Hughes. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Defensive Lineman:

3 from a set of 8. So

$C_{8,3} = \frac{8!}{3!5!} = 56$

56 combinations of defensive lineman

Linebackers:

4 from a set of 7. So

$C_{7,4} = \frac{7!}{4!3!} = 35$

35 combinations of linebackers

Defensive backs:

4 from a set of 7. So

$C_{7,4} = \frac{7!}{4!3!} = 35$

35 combinations of defensive backs

How many different ways can the coach pick the 11 players to implement this particular defense?

56*35*35 = 68,600

68,600 different ways can the coach pick the 11 players to implement this particular defense

7 0

3 years ago