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viktelen [127]
3 years ago
10

18+

Mathematics
1 answer:
OLga [1]3 years ago
4 0

Answer:

I will answer this for you if you put this into understandable terms.

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How do you find the r?
Anna35 [415]
Use the formula (zy)i<span> = (y</span>i<span> – ȳ) / s </span>y<span> and calculate a standardized value for each y</span>i<span>. Add the products from the last step together. Divide the sum from the previous step by n – 1, where n is the total number of points in our set of paired data. The result of all of this is the correlation coefficient </span>r<span>.</span>
8 0
3 years ago
PLEASE HELP MEH! I NEED HELP ASAP
Vladimir [108]

Answer:

Planet D

Step-by-step explanation:

1.5*10^9 = 1,500,000,000

1.07*10^8 = 107,000,000

5.7*10^7 = 57,000,000

2.29*10^6 = 2,290,000

It has the least amount.

3 0
3 years ago
Read 2 more answers
In triangle △JKL, ∠JKL is right angle, and KM is an altitude. JK=24 and JM=18, find JL.
PolarNik [594]

Answer:

JL ≈ 32  

Step-by-step explanation:

The triangle JKL  has a side of JK = 24 and we are asked to find side JL. The triangle JKL is a right angle triangle.

Let us find side the angle J first from the  triangle JKM. Angle JMN is 90°(angle on a straight line).

using the cosine ratio

cos J = adjacent/hypotenuse

cos J = 18/24

cos J = 0.75

J = cos⁻¹ 0.75

J = 41.4096221093

J ≈ 41.41°

Let us find the third angle L of the triangle JKL .Sum of angle in a triangle = 180°. Therefore,  180 - 41.41 - 90 = 48.59

Angle L = 48.59 °.

Using sine ratio

sin 48.59 ° = opposite/hypotenuse

sin 48.59 ° = 24/JL

cross multiply

JL sin 48.59 ° = 24

divide both sides by sin 48.59 °

JL = 24/sin 48.59 °

JL = 24/0.74999563751

JL = 32.0001861339

JL ≈ 32  

8 0
3 years ago
Clare knows that Priya has a bunch of nickels and dimes in her pocket and that the total amount is $1.25. Write an equation that
Mrrafil [7]

Answer:

The equation that describes the relationship between the number of dimes and the number of nickels in Priya's pocket. is;

0.05n+0.10d=1.25

Explanation:

Let n and d represent the number of nickels and dimes in her pocket;

We know that;

1 nickel is 5 cents = 0.05 dollar

1 dime is 10 cents = 0.10 dollar

Also;

n nickels = n times 0.05 dollars

0.05n

d dimes = d times 0.10 dollar

0.10d

The total is given as;

the total amount is $1.25.

So, we have the equation as;

0.05n+0.10d=1.25

Therefore, the equation that describes the relationship between the number of dimes and the number of nickels in Priya's pocket. is;

0.05n+0.10d=1.25

8 0
1 year ago
Find the z-score for a value of 16 with a mean of 8 and a variance of 5 g
zimovet [89]
If the variance is 5 then the standard deviation is √5.
If Z is the score then Z=(8-16)/√5=-3.58 approx.
3 0
3 years ago
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