Mathematics, 13.12.2019 23:31 homework2358
The scouts sold small and large boxes of cookies as a fund raiser. one scout sold 7 small boxes and 12 large boxes for $54.00. another scout sold 5 small boxes and 10 large boxes for $60.00. the scout leader wrote a system of equations to represent the their sales. 7x+12y=54 5x+10y=60 which constants can each equation be multiplied by so that one variable is eliminated when the equations are added?
check all that apply.
a) the first equation can be multiplied by 5 and the second equation by β6 to eliminate the y.
b) the first equation can be multiplied by β5 and the second equation by 6 to eliminate the y.
c) the first equation can be multiplied by β5 and the second equation by 7 to eliminate the x.
d) the first equation can be multiplied by 5 and the second equation by β7 to eliminate the x.
e) the first equation can be multiplied by β5 and the second equation by 10 to eliminate the x.
Answers: 2
Mathematics, 22.06.2019 00:30
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Write the component forms of vectors u and v, shown in the graph, and find v β 2u. u= (< -3, -2> , < -3, -1> , < -2, -2> , < -2, -1> ) v= (< -5, 1> , -4, 0> , < 0, -4> , < 1, -5> ) v-2u= (< 5, 3> , < 0, 4> , < 4, 0> , < 5, -3>
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Mathematics, 22.06.2019 03:50
This stem-and-leaf plot represents the heights of the students on ralphβs basketball team. one studentβs height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.
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The scouts sold small and large boxes of cookies as a fund raiser. one scout sold 7 small boxes and...
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