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krek1111 [17]
2 years ago
11

A square has a side lenght of 6.2 centimeters. what is the perimiter of the square

Mathematics
2 answers:
garri49 [273]2 years ago
6 0
24.8 square centimeters
Eddi Din [679]2 years ago
4 0
P =24.8 cm hope it helps

                                                                                       .    
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A gazelle can change its speed from 0 to 45 mph in 2 seconds. What is the gazelle's acceleration?
Alex787 [66]

Answer:

average acceleration a=change in velocity / time it took to get to velocity  

a=(45-0)mph / 2s = 22.5 mph/hr/s

Step-by-step explanation:


3 0
3 years ago
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What is 35/4 simplified, or as a mixed number
AVprozaik [17]
8 3/4 bc when u divide 35/4 it’s 8.75 and putting that into a fraction is 8 3/4
8 0
3 years ago
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what is the molariry of a solution that contains 1.22 mol of hydrogen chloride if the total volume of the solution is 1,251 mL?
hichkok12 [17]

Your molarity would be 0.975 M HCl because it’s moles of solute divided by liters of solvent

7 0
3 years ago
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Trucks in a delivery fleet travel a mean of 120 miles per day with a standard deviation of 18 miles per day. The mileage per day
kvv77 [185]

The probability that a truck drives between 150 and 156 miles in a day is 0.0247. Using the standard normal distribution table, the required probability is calculated.

<h3>How to calculate the probability distribution?</h3>

The formula for calculating the probability distribution for a random variable X, Z-score is calculated. I.e.,

Z = (X - μ)/σ

Where X - random variable; μ - mean; σ - standard deviation;

Then the probability is calculated by P(Z < x), using the values from the distribution table.

<h3>Calculation:</h3>

The given data has the mean μ = 120 and the standard deviation σ = 18

Z- score for X =150:

Z = (150 - 120)/18

   = 1.67

Z - score for X = 156:

Z = (156 - 120)/18

  = 2

So, the probability distribution over these scores is

P(150 < X < 156) = P(1.67 < Z < 2)

⇒ P(Z < 2) - P(Z < 1.67)

From the standard distribution table,

P(Z < 2) = 0.97725 and P(Z < 1.67) = 0.95254

On substituting,

P(150 < X < 156) = 0.97725 - 0.95254 = 0.02471

Rounding off to four decimal places,

P(150 < X < 156) = 0.0247

Thus, the required probability is 0.0247.

Learn more about standard normal distribution here:

brainly.com/question/26822684

#SPJ1

5 0
1 year ago
Find the slope of the line (12,-18), (11,12)
telo118 [61]

Answer:

-30

Step-by-step explanation:

To find slope, subtract two y's and then subtract the x's in the same order.

<u>12-(-18)</u>=<u>30</u>=-30

11-12       -1

You could also switch the order like this...

<u>-18-12</u>=<u>-30</u>=-30

12-11      1

As you can see, both of the ways of solving for slope resulted in -30.

Hope this helps!! Have a great day :3

4 0
3 years ago
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