A study on how fast men can run the 100-meter race found that the athletes in the study were able to run it in an average of 10 seconds. Which of the following is a correct inference?On average, athletes run a 10-second 100-meter race

On average, male athletes run a 10-second 100-meter race

On average, males run a 10-second 100-meter race

On average, female athletes do not run a 10-second 100-meter race

Answers

Answer 1

Answer: A study on how fast men can run the 100-meter race found that the athletes in the study were able to run it in an average of 10 seconds. Thecorrect inference is On average, male athletes run a 10-second 100-meter race

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From its resting position, how long does it take the weight to bounce one direction, then the other, and then return to its resting position?

Answers

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The value x = 3 is a solution to each of the following except which?(1) 4x-1=2x +5
(3) 5x +4<19
(2) 2x-8(4) (x+1)(x-3)=0

Answers

Answer:

$x \: is \: not \: a \: solution \: in \to \: 5x + 4 < 19. \n$

Step-by-step explanation:

$\: if \: x = 3 \: then \n 4x-1=2x +5 \: is \: same \: as \to \: \n 4(3) - 1 = 2(3) + 5\n 12 - 1 = 6 + 5 \n 11 =11 \to \: \n \boxed{ x \: is \:a \: solution \: here} \n \n if \: x = 3 \n then \to \n 5x + 4 < 19\: is \: same \:as \to \n 5(3) + 4 < 19 \n 15 + 4 < 19 \n 19 \: is \: equal \: to \: 19 : \n 19 \: can \: not \: be \: less \: than \: 19 \n \boxed{ henc e\: x \: is \: not \: a \: solution \: here}$

♨Rage♨

Write 144 with an exponent by using 12 as the base

Answers

the answer would be $12^(2)$ because you are using 12 as the base and 12 x 12 = 144

Simplify;4t-2k+5k-t?
Help

Answers

Answer:

Answer is attached to steps.

Step-by-step explanation:

Those are the steps and the answer attached

How do you factor this 8x^2+2x-21=0

Answers

$8x^2+2x-21=0 \n \n 8x^2+2x + 12x -12x-21=0\n\n8x^2+ 14x -12x-21=0 \n \n 2x(4x+7)-3(4x+7)=0\n\n(4x+7)(2x-3)=0$

$4x+7=0 \ \ or \ \ 2x-3 =0 \n\n4x=-7\ \ or \ \ 2x=3\n\nx=(-7)/(4)\ \ or \ \ x=(3)/(2)$

Solve it like this..
8x^2+2x-21=0
8x^2 + 14x - 12x -21=0
2x(4x+7) -3(4x+7) = 0
(4x+7)(2x - 3)=0

So factor 1 is 4x +7 =0
i.e. x=-7/4

Factor 2 is 2x -3 =0
i.e x=3/2

A manufacturer produces soda cans and a quality control worker randomly selects two cans from the assembly line for testing. Past statistics show that 14% of the cans are defective. What is the probability that the two selected cans are defective if the quality control worker selects the two cans from a batch of 50 cans?P(Both defective) = 7/50
P(Both defective) = 49/2500
P(Both defective) = 3/175
P(Both defective) = 7/25

Answers

Probability of being defective is 14% = 14/100 = 7/50

P(Both defective) = 7/50 * 7/50 = 49/2500

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