Mathematics, 10.06.2021 22:50, issagirl05

ANSWER ASAP!! Use the substitution method to solve the system of equations. 3x+7y=1 and y=x-7

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:20, acharity196

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Answers: 2

continue

Mathematics, 21.06.2019 22:30, skylarjane1030

9.4.34 question to estimate the height of a stone figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a meter?

Answers: 1

continue

Mathematics, 21.06.2019 23:00, jalenrussell321

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

Answers: 1

continue

Mathematics, 22.06.2019 00:00, ChanceJ

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it. find the area of the sidewalk.

Answers: 1

continue

Do you know the correct answer?

ANSWER ASAP!! Use the substitution method to solve the system of equations. 3x+7y=1 and y=x-7...