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Strike441 [17]
3 years ago
8

A researcher is studying a group of field mice. the distribution of the weight of field mice is approximately normal with mean 2

5 grams and standard deviation 4 grams. which of the following is closest to the proportion of field mice with a weight greater than 33 grams?
a)0.046
b)0.977
c)0.954
d)0.023​
Mathematics
2 answers:
Svetllana [295]3 years ago
4 0

Answer:

b

Step-by-step explanation:

morpeh [17]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Is 2 a solution to 4x - 3​
AlexFokin [52]

Answer:

2+4x-3=6

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Answer:3

8 0
2 years ago
Can I have help solving for x?:))
zvonat [6]

Answer:

24.8

Step-by-step explanation:

We will have to use trigonometry here to find the value of x. The first thing we can see is that we need to work out the hypotenuse. We need to chose whether to use Sin, Cos or Tan. We do that by look at the sides .

→ 'x' is the hypotenuse

→ 12 is opposite

→ The adjacent is the side that doesn't have a numerical value to we look for a formula triangle without adjacent in it

Tan = Opposite ÷ Adjacent

Sin = Opposite ÷ Hypotenuse

Cos = Adjacent ÷ Hypotenuse

We can see the Sin formula has no adjacent in it so we use that formula. However we want to work out the hypotenuse so we have to rearrange the sin formula to get hypotenuse as the subject so

Sin = Opposite ÷ Hypotenuse

Hypotenuse = Opposite ÷ Sin

→ Let's substitute in the values

Hypotenuse = 12 ÷ Sin(29)

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So the value of x is 24.8 to 1 decimal place

6 0
3 years ago
Read 2 more answers
Martin burns 360 calories running for 30 minutes. Paul burns 165 calories for every 15 minute he runs. If Kara runs for 20 minut
Yanka [14]

Answer:  She would have to burn between 220 and 240 calories per minute to have a calorie burn rate between those of Martin and Paul.

Step-by-step explanation:

Martin:

360 calories / 30 min = 12 calories/min

Paul:

165 calories / 15 min = 11 calories/min

Kara:

Needs to burn between 11 and 12 calories/min, so we'll calculate the range:

11 calories/min x 20 min = 220 calories (minimum # calories she can burn)

12 calories/min x 20 min = 240 calories (maximum # calories she can burn)

7 0
3 years ago
Use the reverse tabular method to solve division problem: (x^4+2x^3+2x^2+2x+1)/(x+1)
svetoff [14.1K]

Answer:

x^3 +x^2 +x+1

Step-by-step explanation:

Your welcome!!!!!!!!!!!

3 0
3 years ago
How do I multiply 2.25 by 1.8 in standard form?
8_murik_8 [283]
Just multiply as it is
4 0
3 years ago
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