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2 years ago

Vampire creature wip

Mathematics

2 answers:

11111nata11111 [884]2 years ago

5 0

Answer:

wow lol

Step-by-step explanation:

uysha [10]2 years ago

3 0

nice drawing

(altho I think this is for other subject)

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The length and width of a rectangular room are measured to be 3.955±0.005m. Calculate the area of the room and its uncertainty i

Margarita [4]

Answer:

The area of the room and its uncertainty in square meters is:

15.642±0.040 $m^2$

Step-by-step explanation:

We know the area of a rectangular room is the multiplication of the length and width:

$Area= 3.955m*3.955m\\Area= 15.642 m^2$

Now we need to know the uncertainty, the uncertainty of a multiplication is:

$\frac{δ_a}{|Area|} =\frac{δ_L}{|L|}+\frac{δ_W}{|W|}$ (1)

$δ_A$ : Area uncertainty

$δ_L$ : Length uncertainty

$δ_W$ : Width uncertainty

A: Area of the room

L: Length

W: Width

Clearing the uncertainty of the area:

$δ_A=(\frac{δ_x}{|x|}+\frac{δ_y}{|y|})*Area$ (2)

$δ_A=(\frac{0.005}{|3.955|}+\frac{0.005}{|3.955|})*15.642 m^2$

$δ_A= 0.040 m^2$

The area of the room and its uncertainty in square meters is:

15.642±0.040 $m^2$

6 0

2 years ago

a pharmacist measured 70 mL of medication by difference starting with 100 mL. He noted that the graduate used contained 35 mL of

Troyanec [42]

i dont have time to do it right now but here is the percent error equation!

5 0

3 years ago

On this week's homework assignments, Lydia had scores of 85, 78, 92, 98, and 85. Which measure of central tendency would give Ly

Stella [2.4K]

Answer:

median

Step-by-step explanation:

median is the number appearing at the centre or middle after the given numbers.mean is average. mode is the number that appears more times than the others. hope it helps

7 0

3 years ago

Dr. Lawrence is the director of Counseling Services at her university. She is planning to conduct a survey of 100 students at th

Tanzania [10]

Answer:

The type of sampling method Dr. Lawrence going to use is Quota Sampling.

Step-by-step explanation:

In quota sampling participants are chosen nonrandomly so it is not a representative sampling method. In this case Dr.Lawrence has a quota of 15% for first-time students and 85% for returning, so the survey she is conducting is non-random. The sampling method she should use is Quota Sampling.

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2 years ago

Zorah, a musician, pays $120 to have her instrument tuned and $10 per hour for a booth at a fair. She estimates that she earns $

-BARSIC- [3]

Subtracting 10x from the given equation gives
120 = 15x
Then dividing by 15 gives
8 = x

Zorah will have to play 8 hours in order to break even (cover her expenses exactly).

8 0

3 years ago

Read 2 more answers