2. factor x2 + 11x + 24 .
(x + 6)(x + 4)
(x + 2)(x + 12)
(x + 3)(x + 8)
(x +...
Mathematics, 29.08.2019 23:50 jaidxxxz
2. factor x2 + 11x + 24 .
(x + 6)(x + 4)
(x + 2)(x + 12)
(x + 3)(x + 8)
(x + 1)(x + 11)
3. factor 2m2 + 27m + 70 .
(2m + 7)(m + 10)
(m + 10)(2m + 7)
(2m + 3)(m + 20)
(2m + 7)(m β 10)
4. factor g2 β 64.
(g β 1)(g + 64)
(g + 8)(g β 8)
(g β 8)(g β 8)
(g + 8)(g + 8)
5. factor 49t2 β 9.
(7t + 3)(7t + 3)
(7t + 3)(β7t β 3)
(7t + 3)(7t β 3)
7t β 3
6. the area of a rectangular field is given by the trinomial t2 β 4t β 45. the length of the rectangle is t + 5. what is the expression for the width of the field?
t β 9
t β 5
Answers: 1
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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1β0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
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Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?
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