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sesenic [268]
3 years ago
5

Determine whether the given value is a statistic or a parameter. Upper a sample of seniors is selected and it is found that 45 %

own a computer. A sample of seniors is selected and it is found that 45% own
Mathematics
1 answer:
tankabanditka [31]3 years ago
4 0

Bizarre question but it is a statistic.

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A triangle has 2 sides that equal 5 inches. The other side equals 4 inches
miskamm [114]

Answer:

Isosceles triangle

Step-by-step explanation:

It is assumed that the triangle is a right angle triangle, implying that Pythagoras theorem becomes applicable.

If the first side is represented by x and the second side by y,

x + y = 5

The hypotenuse is always the longest side hence it can be presumed to be 4 since both x and y cannot be more than 5.

Therefore using pythagoras equation:

hyp^2 = sqrt(opp^2 + adj^2)

this implies that

4^{2} = \sqrt{x} (x^{2} +y^{2}

therefore

16 = sqrt (x^2 + y^2) ----------------- (i)

since x + y = 5, y = 5 - x ------------------- (ii)

substituting (ii) into eqn (i)

16 = sqrt ( x^2 + (5-X)^2)

16 = sqrt( x^2 + 25 -10x + x^2)

16 = sqrt( x^2 + x^2 - 10x + 25)

16 = sqrt( 2x^2 - 10x + 25)

squaring both sides

256 = 2x^2 - 10x + 25

this can be refined as

2x^2 - 10x - 231 = 0

Solving using quadratic equation:

where a = 2, b = -10 and c = -231

x = 13.53  or -8.53.

Since x is a side of a triangle that cannot be negative,

x = 13.53 but x can never be greater than 5 since x + y = 5

This implies that the triangle is not a right angle triangle; it is most likely an  isosceles triangle with two sides of equal length such that x = y = 2.5 inches while the longest side; the hypotenuse is 4 inches.

substituting for x in

4 0
3 years ago
6. Consider the A = LR factorization of the matrix A: A =   1 0 0 1 1 0 0 1 1     0 3 2 3 4 0 0 0 2 4 0 0 0 0 0   withou
Natali [406]

Answer:

Please see attachments for step by step guide and answers.

8 0
3 years ago
Please help me with this
Arturiano [62]

Answer:

C

Step-by-step explanation:

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3 years ago
Mindy makes an annual salary of $24,590. What is the maximum monthly rent she could afford to pay? $553.27 $688.52 $234.99 $573.
andrezito [222]
Lets say u have 1 coconut that cost 688.52   ad another 1 that cost 234.99  
all you have to do is sale or buy an extra coconut to get 573.77  if that help dont forgot to drop  me the brainlist

3 0
3 years ago
Read 2 more answers
Wrote an equation in slope intercept form of a line tbag passes through (5,-2) and is parallel to the graph of y=-3x-7
torisob [31]
If you have any questions about slope point formula...feel free to leave comments :)

7 0
3 years ago
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