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Nadusha1986 [10]
3 years ago
11

Can anybody help me with this bellwork?

Mathematics
2 answers:
aev [14]3 years ago
6 0
First, find the amount of time is taken to travel 1 mile :
time taken to travel 1 mile = 20/6 = 3 ⅓ mins
hence, time taken to travel 9 miles = 3 ⅓ x 9 = 30 mins

time taken to travel 10 miles = 3 ⅓ x 10 = 33 ⅓ mins
wel3 years ago
4 0

Answer:

1. 30 minutes to walk 9 miles.

2. 33.33 minutes to walk 10 miles.

Step-by-step explanation:

I divided 20 by 6, and got 3.33. If you multiply 3.33 by 9 you get 30, and if you  multiply 3.33 by 10 you get 33.33.

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Find the LinReg line of best fit for this data set.
finlep [7]

The LinReg line of best fit for this data set is ŷ = -1.24X + 0.66

<h3>What is regression line?</h3>

A linear regression line has an equation of the form Y = a + bX, where X is the explanatory variable and Y is the dependent variable.

Given:

(−5, 6.3),

(−4, 5.6),

(−3, 4.8),

(−2, 3.1),

(−1, 2.5),

(0, 1.0),

(1, −1.4)

Sum of X = -14

Sum of Y = 21.9

Mean X = -2

Mean Y = 3.1286

Sum of squares (SSX) = 28

Sum of products (SP) = -34.6

Regression Equation,

ŷ = bX + a

b = SP/SSX = -34.6/28 = -1.23571

a = MY - bMX = 3.13 - (-1.24*-2) = 0.65714

ŷ = -1.23571X + 0.65714

ŷ = -1.24X + 0.66

Learn more about regression line here:

brainly.com/question/7656407

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3 0
2 years ago
Can someone help me with (Geometry)
igomit [66]

Step-by-step explanation:

I think the fig.. will helps you a lot...

7 0
2 years ago
What is the value of the function when x = 3?<br><br> x −2 −1 1 3 4<br> y 4 3 6 5 8
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It tells us that:

(-2,4)
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So y = 5
6 0
3 years ago
GIVING BRAINLIEST, FIVE STARS, AND THANKS IF PROPER, RIGHT ANSWER!!
Sphinxa [80]

Answer: 875 is the answer for your question

350 x 2.5 = 875 or 875 divided by 2.5 = 350

Pls mark me as brainliest

5 0
3 years ago
For the given​ data, (a) find the test​ statistic, (b) find the standardized test​ statistic, (c) determine the​ p-value, and​ (
Feliz [49]
<span>You should reject or fail to reject the null hypothesis. the samples are random and independent. ​claim: mu 1μ1less than 50.</span>
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3 years ago
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