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3 years ago

Which table represents a function?

Mathematics

1 answer:

8090 [49]3 years ago

5 0

Don’t click the link it’s a scam happened to me

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What is the domain and range of y = 4x + 1?

Andrei [34K]

A)D;[-,00] R:(-0, 0]

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3 years ago

The area of a particular rectangle is 72. If the length of the rectangle is twice

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

Suppose the width is "a". Then the length is 2a.

2(a²) =72 Divide both sides by 2

a²= 36

a=6

4 0

3 years ago

I will upvote and give brainliest answer

Citrus2011 [14]

Answer:

x = 58 degrees

Step-by-step explanation:

Angle K (which is x) and Angle I are congruent corresponding angles with one another, so if, as an example, Angle I was 10, Angle K would also be 10.

All you need to do in this case is add Angle H (56) and Angle A (66) together:

56 + 66 = 122

Then subtract 122 from 180 (because triangles add up to 180 degrees) to get x:

180 - 122 = 58

So, x = 58 degrees.

7 0

3 years ago

The authors of a paper presented a correlation analysis to investigate the relationship between maximal lactate level x and musc

ArbitrLikvidat [17]

Answer:

a) Sample correlation coefficient, r = 0.7411

bi) test statistic, t = 4.102

bii) P-value = 0.000736

Step-by-step explanation:

a) The formula for the sample correlation coefficient is given by the formula:

$r = \frac{S_{xy} }{\sqrt{S_{xx} S_{yy} }} }$

$S_{xx} = 2,648,130.357\\S_{yy} = 36.7376,\\S_{xy} = 7408.225$

$r = \frac{7408.225}{\sqrt{2648130.357*36.7376} }$

r = 0.7511

i) formula for the test statistic is given by the formula:

$t = \frac{r\sqrt{n-1} }{\sqrt{1 - r^{2} } }$

sample size, n = 4

$t = \frac{0.7511\sqrt{14-1} }{\sqrt{1 - 0.7511^{2} } }$

t = 4.102

ii) Degree of freedom, df = n -2

df = 14 -2

df = 12

The P-value is calculate from the degree of freedom and the test statistic using excel

P-value =(=TDIST(t,df,tail))

P-value = (=TDIST(4.1,12,1)

P-value = 0.000736

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3 years ago

This is probably very easy but I totally forgot (look at picture)

Darina [25.2K]

Coordinates for new triangle -

P’(-1,1)
Q’(-3,3)
R’(-3,1)

3 0

3 years ago

Read 2 more answers