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Assoli18 [71]
2 years ago
7

PLZ HELP FREE BRAINLIST!!!!

Biology
2 answers:
Alex73 [517]2 years ago
7 0

Explanation:

i think b or d , I will confirm

irina [24]2 years ago
5 0

Answer:

D

Explanation:

cuz the first two r bacteria cells since theyre single cells

and the 3rd one is a plant since its an autotroph and makes its own food

the last one is correct cuz its a heterotroph;depends on otehrs for food, and has multiple cells

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The mean resting pulse rate for men is 72 beats per minute. a simple random sample of men who regularly work out at mitch's gym
tamaranim1 [39]

Claim: the mean resting pulse rate for men is less than 72 bpm.

Symbolic form would be: μ < 72

Step 1: null hypothesis  : μ > =  7 2 b p m

Step 2: alternative hypothesis:  μ <  7 2 b p m



Step 3: the test statistic is z = mean – μ / standard dev/sqrt (n) = -3/4 / 1.7639 = -1.92


Step 4: c v method: since z α = -1.645, the test static is z = -1.92 is less than the CV, we reject null hypothesis


            P Value method: area is 0.0274, since the p value is <= α, reject null hypothesis.

Step 5: the sample data support the claim that the mean resting pulse rate for men is less than 72 bpm.

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69

Explanation:

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List the animals you think can survive when the sunlight is blocked​
svetlana [45]

Answer: c

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How can global warming lead to changes to the Earth's surface?
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8 0
1 year ago
LEASE HELP ME, SOMEBODY. I'LL MARK THE BRAINLIEST.
vampirchik [111]

Answer:

Control: sat in silence

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Explanation: Control group: is the one that sat in silence

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The independent variable is the thing that they change, the music

And the dependant variable is what is being measured, their pulse and heart rate

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