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andrey2020 [161]
3 years ago
7

Pls help me. its on khan academy​

Mathematics
2 answers:
ehidna [41]3 years ago
8 0
i would think it’s 6
Juli2301 [7.4K]3 years ago
7 0

WHAT ARE THE ANSWERS

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What is the sum of the first 10 positive integers?<br><br> A) 55<br> B) 50 <br> C) 100<br> D) 95
olga2289 [7]
The correct answer here is A) 55. This is because a positive integer is defined as any number greater than 0 and has no decimals/ fractions in it. Therefore, you would add 1+2+3+4+5+6+7+8+9+10, yielding 55 as your answer.
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2 years ago
Janna jumped 156in in the long jump competition at the high school track meet . How many feet did Janna jump
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3 years ago
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2 years ago
(-2)2+3 × (-5) <br> please helpe me answer this question
Tpy6a [65]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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Suppose a researcher is testing a new vaccine on mice to see how well it prevents the flu virus. The lab has 1000 mice available
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Solution :

Sampling may be defined as the technique of selecting the individual members or the subset of the population to make a statistical inferences and estimates the characteristics of the entire population.

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b). The researcher chose the 1st 30 mice as she can reach the door to the mouse room

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e). The researcher generates the list of the identification numbers which has been sorted from the smallest to the largest. The researcher randomly picks 1 mouse form the list and selects every 4 mouse until the researcher has 30 mice.

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7 0
2 years ago
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