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3 years ago

How many m are in 300 mm

Mathematics

2 answers:

den301095 [7]3 years ago

6 0

0.3 because when you move your decimal point you have to move it 3 times then you add your zero and you get 0.3

Ksivusya [100]3 years ago

5 0

There are 1,000 mm in a m. So with that said you would do 300/1000. This equals 0.3.
So your answer is going to be 0.3
Hope this helps :)

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Mia hired a moving company. The company charged \$500$500dollar sign, 500 for its services, and mia gives the movers a 16\%16%16

Ira Lisetskai [31]

Mia gives $80 as tip to the movers.

<em><u>Explanation</u></em>

The moving company charged $500 for its service.

Suppose, the amount of tip is $x$ dollar, which is 16% of the total charge.

So, the equation will be.....

$\frac{x}{500}*100\% = 16\%\\ \\ \frac{x}{5}=16\\ \\ x=5*16=80$

So, the amount of tip Mia gives the movers is $80

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3 years ago

Read 2 more answers

What is 8.239 round to the tenths place

Karolina [17]

8.2
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3 years ago

The pulse rates of 174 randomly selected adult males vary from a low of 39 bpm to a high of 111 bpm. Find the minimum sample siz

Daniel [21]

Answer:

a. The sample size is approximately 97 adults

Step-by-step explanation:

The given parameters are;

The number of adults surveyed, n = 174

The lowest value of the pulse rate = 39 bpm

The highest value of the pulse rate = 111 bpm

The level of confidence used for determining the sample size = 90%

The given sample mean = 3 pm of the population mean

a. The range rule of thumb states that the standard deviation is approximately one quarter (1/4) of the range

The range = 111 bpm - 39 bpm = 72 bpm

Therefore, the standard deviation, σ = 72 bpm/4 = 18 bpm

The sample size, 'N', is given as follows;

$N = \dfrac{z^2 \cdot p \cdot q}{e^2}$

Where;

N = The sample size

z = The confidence level, 90% (z-score at 90% = 1.645)

p·q = σ² = 18² = 324

e² = 3² = 9

$N = \dfrac{1.645^2 \times 324}{3^2} = 97.4169$

Therefore the appropriate sample size, N ≈ 97 adults.

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2 years ago

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kodGreya [7K]

Answer:

Step-by-step explanation:

No doubt thats the correct answer guys, thank me later

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2 years ago

Hey friend please solve this question

Bas_tet [7]

yes and yes.

you're told ∠A=∠B. this means angle A and B are equal. so the value you get for cos A will be the same as the value you'll get for cos B

also, the value you get for tan A will be the same as the value you'll get for tan B

if that doesn't make sense you could also draw the triangle and solve for A and B.

you're told it's a right angled triangle meaning one of the angles = 90

you're told that C is that angle so if C is a right angle, angle C=90

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so angle A+ angle B + angle C = 180

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angle A+ angle B = 90

A and B could be any value but you're told angle A = angle B

angle A+ angle B = 90

you can divide 90 by 2 because A and B are equal. that will give you 45 for A and 45 for B

angle A+ angle B = 90

since angle A = angle B,

1. you can substitute angle A with angle B like this

angle B+ angle B = 90

2 angle B = 90

angle B = 90/2

angle B=45; ∴ angle A is also 45 ( because angle A= angle B)

2. or you could substitute angle B with angle A

angle A+ angle A = 90

2 angle A = 90

angle A = 90/2

angle A =45; ∴ angle B is also 45 ( because angle A= angle B)

Now you know what A and B are,

sin A = sin 45; sin B = sin 45

sin 45 = sin 45

tan A = tan 45; tan B = tan 45

tan 45 = tan 45

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3 years ago