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Makovka662 [10]
3 years ago
6

Which is the best estimate of the correlation coefficient for the scatter plot?

Mathematics
2 answers:
gavmur [86]3 years ago
7 0
I think it’s b sorry if I’m wrong
astraxan [27]3 years ago
4 0
<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ The best estimate would be B. 0.9

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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A piece if wire 40cm is bent to form a right angled triangle whose hypotenuse is 17cm long find the other two sides of triangle
hjlf

Answer: 150mm

Step-by-step explanation:

Take the two adjecent sides of the triangle to be x and y and X is the angle opposite the side, x.

From the trigonometric identities for a right-angled triangle, it is known that

x=170sin X and;

y=170cos X

Thus the perimeter of the triangle is given by

170sin X + 170cos X + 170 = 400

170(sin X + cos X) = 400 - 170

170(sin X + cos X) = 230

sin X + cos X = 230/170 = 1.3529

Squaring both sides hence,

sin^2(X) + 2sin X.cos X + cos^2(X) = 1.8304

Recall that sin^2(X) + cos^2(X) = 1 and 2sin X.cos X = sin 2X.

Thus, the former expression gives;

1 + sin 2X = 1.8304

sin 2X = 0.8304

2X = arcsin (0.8304)

2X = 56.14° or (180 - 56.14)° = 56.14° or 123.86° for X existing within a triangle.

X = 56.14/2 or 123.86/2

X = 28.07° or 61.93°

Thus the two adjacent sides are ;

x = 170 sin (28.07) = 80mm

y = 170 cos (28.07) = 150mm

Using the value of 61.93° as X would give the same values but interchanged for x and y.

I hope you find this useful.

5 0
3 years ago
Which compound inequality could be represented by the graph? -5 4 -3 -1 0 4 0 X5 3 or x&gt;-1​
AveGali [126]

_44_3_10 4 0 ×53 ×<9 =02947</245

8 0
3 years ago
Insert one term between -13 and -119 to create an arithmetic sequence of three terms.
daser333 [38]

Answer:

-66

Step-by-step explanation:

- 13, ____, -119

first, find the common difference:

-13 - (-119) = 106

next, divide 106 by 2: \frac{106}{2} = 53

so, the common difference is 53.

now, subtract 53 from -13:

-13 - 53 = -66

5 0
2 years ago
Read 2 more answers
Find the product.<br> 31 × 60
jekas [21]

Answer:

1800

Step-by-step explanation:

3x6 is 18. You can't use the 1 cuz if you multiply 0 to anything it's 0

8 0
2 years ago
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Which distributive property gives the same answer as 7(99)?
Makovka662 [10]

Answer:

7(100-1)

Step-by-step explanation:

That's it right there

6 0
2 years ago
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