Mathematics, 02.10.2020 14:01 zachzach28280
I. Select the option that gives the correct answer. Check the box.
1) What should h be so that the expression h? - 2h has a value of 3 ?
Th = 1 Oh=-1 h = 2
h = -2
2) What should b be so that the expression (3b + 10) has a value of 1?
b=-3 0 b = 2 b= -2 b= 3
3) What should y be so that the expression 1 - yl has a value of 25?
y=-6 y=2 y=-4 y = 5
4) What should m and n be so that the expression 3m² + nm has a value of 0 ?
m=-1, n = 3 m = 2, n = -1 m = 3, n = 2 m = -3,n=0
5) What should a and b be so that the expression ala-2b) -b has a value of -11?
O a=-4,6 = 6 a = 5, b = 8 O a = 7, b = 4 O a=6, b = -5
6) What should x and y be so that the expression -(x - y) + 2(x + y) has a value of 4?
O x = 2. y=-2 x=-2, y = 2 x=3, y = -3 0 x = -3. y = 3
Answers: 1
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Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.
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I. Select the option that gives the correct answer. Check the box.
1) What should h be so that the...
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