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lidiya [134]
3 years ago
15

Help Me With These Please

Mathematics
1 answer:
nadezda [96]3 years ago
8 0
The first one l think is a.6.2 and the second one is d.64
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WHAT IS THE LINE OF BEST FIT FOR THE FOLLOWING DATA (1,3) (2,0) (5,-8) (9, -25) . WRITE YOUR ANSWERS IN THE FORM OF Y= AX+ B​
dimulka [17.4K]

Answer:

3.471 + 7.2516 x

Step-by-step explanation:

Given the data:

(1,3) (2,0) (5,-8) (9, -25) .

X:

1

2

5

9

Y:

3

0

-8

-25

The line of best fit for the data given can be obtained using an online regression calculator :

The equation of best fit for the data is thus;

Best fit equation; y = -3.471 + 7.2516x

Intercept = - 3.471 ;

Slope = 7.2516

5 0
3 years ago
Use the functions h(x) = 2x - 5 and t(x) = 6x + 4 to complete the function operations listed below.
Rom4ik [11]

Answer:

See below for answers (in bold) and explanations

Step-by-step explanation:

Part A: (h+t)(x) = h(x) + t(x) = (2x-5) + (6x+4) = 2x - 5 + 6x + 4 = 8x - 1

Part B: (h*t)(x) = h(x) * t(x) = (2x-5) * (6x+4) = (2x)(6x) + (2x)(4) + (-5)(6x) + (-5)(4) = 12x² + 8x - 30x - 20 = 12x² - 22x - 20

Part C: h(t(x)) = h(6x + 4) = 2(6x + 4) - 5 = 12x + 8 - 5 = 12x + 3

3 0
2 years ago
Is 83 cm greater than or less than 1m? What is the difference in the lengths?
photoshop1234 [79]

1 meter is greater then 83 cm Because if you divide it will be 0.83 and the differences will be 0.17

7 0
3 years ago
The length and width of a rectangle is (x + 5) and x, respectively.
iris [78.8K]

Answer:

the lenght of the rectangle is five more than the width

4 0
3 years ago
Candice spent 5 1/4 hours doing her homework. Her brother, Ronald, spent 1/2 that number of hours doing his homework. How many h
ra1l [238]

B, 2 5/8.

2 and 5/8 times itself is 5 1/4, meaning its half of 5 1/4.

3 0
3 years ago
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