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vladimir2022 [97]
2 years ago
5

Hi, can you help me answer this question please, thank you!

Mathematics
1 answer:
slavikrds [6]2 years ago
5 0

Problem Statement

We are asked to find the critical t-value for a confidence level of 80% and sample size of 17.

Method

To solve this, we simply need to do two things:

1. Calculate the degrees of freedom:

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What is the equation of the line that passes through the points (2, -4) and (-6, 6)?​
PSYCHO15rus [73]

Answer:

y = -5/4x - 3/2

Step-by-step explanation:

y2 - y1 / x2 - x1

6 - (-4) / -6 - 2

10 / -8

= -5/4

-4 = -5/4(2) + b

-4 = -5/2 + b

-3/2

5 0
3 years ago
50 points
adell [148]

Answer:

28

Step-by-step explanation:

63/9=7

7*4=28

4 0
3 years ago
What is the perimeter, in units, of polygon PQRSTU? Enter your answer in the box.
ololo11 [35]

Answer:

24 units

Step-by-step explanation:

Perimeter of Polygon PQRSTU = sum of all its side lengths = PQ + QR + RS + ST + TU + PU

PQ = |-4 -(-2)| = 2 units

QR = |4 - 2| = 2 units

RS = |-2 - 2| = 4 units

ST = |2 -(-2)| = 4 units

TU = |2 -(-4)| = 6 units

PU = |4 - (-2)| = 6 units

Perimeter of Polygon PQRSTU = 2 + 2 + 4 + 4 + 6 + 6 = 24 units

5 0
4 years ago
Factor out the GCF and rewrite the problem using the distributive property 56 +70
iren2701 [21]
Easy 56 plus 70 is 160
3 0
3 years ago
(2.6×10^5)(1.9×10^2) ​
natka813 [3]

Answer:

49,400,000

Step-by-step explanation:

(2.6*10^5)(1.9*10^2)

Apply exponent rule

=2.6*1.9*10^5+2

Add the numbers: 5+2=7

=2.6*1.9*10^7

Multiply the numbers: 2.6*1.9= 4.94

10^7*4.94

10^7=10,000,000

=10,000,000*4.94

Multiply the numbers: 4.94*10000000=49,400,000

=49,400,000

Thanks for letting me help!!

6 0
4 years ago
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