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Lapatulllka [165]
3 years ago
9

Mike is riding his bike 8 mi./hr northwest, and Shelly is riding her bike 11 mi./hr southwest. Both are headed for the intersect

ion of the two bike paths. At what rate are the bikes approaching each other when Mike is 0.2 mi. and Shelly is 0.5 mi. from the intersection?
Mathematics
1 answer:
Assoli18 [71]3 years ago
4 0

Answer: GLOBAL WARMING FOESNT EXIST

Step-by-step explanation: STOP RIDING BIKES MORE CARS

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Below are tabulated a number of Rockwell G hardness values that were measured on a single steel specimen. Compute
Mashcka [7]

Answer:

a) 48.408

b) 1.235

Step-by-step explanation:

a)

The average hardness value xbar can be computed as

xbar=sum of values/number of values

xbar=(46.5+46.9+49.4+50.3+49.8+48.8+47+47.7+48.3+49.4+47.8+49)/12

xbar=580.9/12

xbar=48.408 (rounded to 3 decimal places).

The average hardness value is 48.408.

b)

The standard deviation hardness value s can be computed as

s=\sqrt{\frac{sum(x-xbar)^2}{n-1} }

x              x-xbar  (x-xbar) ²

46.5  -1.90833 3.64174

46.9  -1.50833 2.27507

49.4    0.99167 0.98340

50.3     1.89167 3.57840

49.8     1.39167 1.93674

48.8    0.39167 0.15340

47.0           -1.40833 1.98340

47.7   -0.70833 0.50174

48.3           -0.10833 0.01174

49.4    0.99167  0.98340

47.8           -0.60833 0.37007

49.0    0.59167 0.35007

Total                               16.7692

s=\sqrt{\frac{16.7692}{12-1} }

s=\sqrt{\frac{16.7692}{11} }

s=\sqrt{1.5245}

s=1.2347

s=1.235 (rounded to 3 decimal places)

The standard deviation hardness value is 1.235.

4 0
3 years ago
The office in the living room in a tiny house shower wall the area of the office is 28 ft the area of the living room is 63 ft t
Delicious77 [7]

UHHH I DONT KNOW BUT I THINK ITS HMMMMM MAYBE 56??

4 0
2 years ago
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Giving brainliest to correct answer!
lisov135 [29]

Answer:

The answer is 1.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Given an int variable n that has already been declared and initialized to a positive value, and another int variable j that has
Inessa05 [86]

Answer:

for(j = n; j > 0; j--)

System.out.print(\"*\");

Step-by-step explanation:

-A for loop is a repetition control structure.

-It allows the efficiency to write a loop that would otherwise be written a couple of times.

-The output is a single line comprising n asterisks,

-The number of asterisks printed will be equivalent to the n-value declared.

7 0
2 years ago
Solve for x<br> x^9=12^2x12^7
jekas [21]

Answer:

<h2>12</h2>

Step-by-step explanation:

Hi!

Here is your answer,

I will explain in step by step,

{x}^{9}  =  {12}^{2}  \times  {12}^{7}

Here we can simplify this further using this law,

{a}^{m}  \times {a}^{n} =  {a}^{m + n}

So we will get,

{x}^{9}  =  {12}^{7  + 2}  \\  {x}^{9} =  {12}^{9}

Since the powers are same we can cancel it out and we will get,

x = 12

(Hope this answer helped :))

4 0
3 years ago
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