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11111nata11111 [884]
3 years ago
14

Application:

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
3 0
2 hours = 120 minutes
120 minutes =science
140 minutes = math

She spent more time on math homework

140-120=20

She took 20 more minutes on her math homework than her science homework.
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What is the average rate of change from x=0 to x=5
zmey [24]
80-40/5-0=40/5=8 through the slope formula
6 0
2 years ago
Read 2 more answers
Using the same data, Complete the following
astra-53 [7]

Answer:

a) weight = 49.995 +0.103height +\epsilon

R^2 = 0.67051225196413

R^2_{adj} =0.66160717769289

F =75.2955260721013

b) H0:\beta_1 =0

H1: \beta_1 \neq 0

On this case the test statistc is given by t=8.67729946884982

And the p value obtined was: p_v =1.88977483236692x10^{-10} and since the p value is lower than th significance level we can reject the null hypothesis at 5% of significance. The slope is significant.

SE_{\beta_1}=0.0118255634597743

Step-by-step explanation:

We assume the following info:

Gender Height Weight

Male 73.84701702 241.8935632

Male 68.78190405 162.3104725

Male 74.11010539 212.7408556

Male 71.7309784 220.0424703

Male 69.88179586 206.3498006

Male 67.25301569 152.2121558

Male 68.78508125 183.9278886

Male 68.34851551 167.9711105

Male 67.01894966 175.9294404

Male 63.45649398 156.3996764

Male 71.19538228 186.6049256

Male 71.64080512 213.7411695

Male 64.76632913 167.1274611

Male 69.2830701 189.4461814

Male 69.24373223 186.434168

Male 67.6456197 172.1869301

Male 72.41831663 196.0285063

Male 63.97432572 172.8834702

Male 69.6400599 185.9839576

Male 67.93600485 182.426648

Male 67.91505019 174.1159291

Male 69.43943987 197.7314216

Male 66.14913196 149.173566

Male 75.20597361 228.7617806

Male 67.89319634 162.0066518

Male 68.1440328 192.3439766

Male 69.08963143 184.4351744

Male 72.80084352 206.8281894

Male 67.42124228 175.2139224

Male 68.49641536 154.3426389

Male 68.61811055 187.5068432

Male 74.03380762 212.9102253

Male 71.52821604 195.0322432

Male 69.1801611 205.1836213

Male 69.57720237 204.1641255

Male 70.4009288   192.9035151

Male 69.07617117 197.4882426

Male 67.19352328 183.8109732

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And we can use excel to solve the problem

Part a

On this case we need to click on Data>Data analysis>Regression>Ok

We select the input Y range and th X range and then we click in Ok.

The output obtained is on the first figure attached.

And in order to estimate the regression line we need to look into the column Coefficients, and for this case we got:

\beta_0 =49.995

\beta_1 =0.103

And the linear model would be given by:

weight = 49.995 +0.103height +\epsilon

For the determination coefficient we have:

R^2 = 0.67051225196413

And the adjusted R^2 =0.66160717769289

And if we analyze the output th F statistic is given by:

F =75.2955260721013

Part b

We want to test:

H0:\beta_1 =0

H1: \beta_1 \neq 0

On this case the test statistc is given by t=8.67729946884982

And the p value obtined was: p_v =1.88977483236692x10^{-10} and since the p value is lower than th significance level we can reject the null hypothesis at 5% of significance. The slope is significant.

The standard error for the slope is given in the output:

SE_{\beta_1}=0.0118255634597743

t=8.67729946884982

p_v =1.88977483236692x10^{-10}

We reject the null hypothesis.

5 0
3 years ago
V= 512^2/3* 19683^1/3*256^1/4
irina1246 [14]

Answer:

V=512^2/3* 19683^1/3*256^1/4    = 6912

Step-by-step explanation:

V= (512^{\frac{2}{3} } ) \times (19683^{\frac{1}{3} } )\times  (256^{\frac{1}{4} } )\\

As

2^{9}  = 512\\2^{8} =  256\\19683^{\frac{1}{3} } = 27\\

putting values in equation

V= 2^{9(^{\frac{2}{3} } )} \times 27 \times 2^{8^({\frac{1}{4}) } } \\  let it be equation 1

As

2^9^{\frac{2}{3} }  = 2^6    according\,to\,exponential\,rule\\2^8^\frac{1}{4} =     2^2     according\,to\,exponential\,rule\\\\

putting values in equation 1

V= 2^6\times 27\times 2^2

According to exponential rule 2^6 \times 2^2 = 2^8

V=2^8 \times 27\\

V=256\times 27\\V=6912

So

V= 6912

Keywords: Algebra

Learn more about algebra at:

  • brainly.com/question/3739260
  • brainly.com/question/13168205
  • brainly.com/question/9607945

#learnwithBrainly

7 0
3 years ago
Solve ln2x+ln2=0. x=
daser333 [38]

Answer:

1/4

i hope this is the answer you are looking for

Step-by-step explanation:

5 0
2 years ago
The figure below shows a quadrilateral ABCD. Sides AB and DC are congruent and parallel: A quadrilateral ABCD is shown with the
Dominik [7]

Answer:

Therefore, the triangles ABD and CDB are congruent by SAS postulate, NOT SSS postulate, which would require 3 pairs of congruent sides.

Answer:2.Triangles ABD and CDB are congruent by the SAS postulate.

Step-by-step explanation:

"Side AB is parallel to side DC so the alternate interior angles, angle ABD and angle CDB, are congruent." is perfectly correct.

"Side AB is equal to side DC and DB is the side common to triangles ABD and BCD." this is also true

so by now we have 2 triangles, with 2 congruent sides, and the angles between these pairs of congruent sides, are also congruent

5 0
3 years ago
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