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Liono4ka [1.6K]
3 years ago
9

A) Find a​ 90% confidence interval for the slope of the regression line of​ %Body Fat on Waist.

Mathematics
1 answer:
dusya [7]3 years ago
4 0

Answer:

this is to hard and I like math

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What is f(-2) of the function given below? *<br> f(x) = 3x2 - 4x + 1
slava [35]

Answer:

f(-2) = 21

Step-by-step explanation:

Step 1: Define

f(x) = 3x² - 4x + 1

f(-2) is x = -2

Step 2: Substitute and Evaluate

f(-2) = 3(-2)² - 4(-2) + 1

f(-2) = 3(4) + 8 + 1

f(-2) = 12 + 9

f(-2) = 21

5 0
3 years ago
Describe how the graph of y=|x| and how it is difficult
Ksju [112]
Y= to the absolute function of x?
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4 0
3 years ago
Cameron ran 3.8 miles per every 1.9 miles that Samantha ran and if Samantha and 7.6 miles how far did Cameron run
bija089 [108]
3.8 / 1.9 = x / 7.6....3,8 miles to 1.9 miles = x miles to 7.6 miles
cross multiply
(1.9)(x) = (3.8)(7.6)
1.9x = 28.88
x = 28.88 / 1.9
x = 15.2 <== Cameron ran 15.2 miles
8 0
3 years ago
4{[5 (x-3)+2]-3 [2 (x+5)-9]}
Over [174]
Pemdas
parenthasees exponents mult/division additon/subtraction

parethenasees
x-3 and x+5 we can't do anything with so next
5(x-3)=5x-15

2(x+5)=2x+10

5x-15+2=5x-13

(2x+10-9)=2x+1

(5x-13)-3(2x+1)
-3(2x+1)=-6x-3

5x-13-6x-3=-x-16

4(-x-16)=-4x-64

the answer is -4x-64
6 0
3 years ago
Read 2 more answers
Help me with this please and quick!
bulgar [2K]
The answer would be D because it's the only one that makes sense
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3 years ago
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