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ivann1987 [24]
3 years ago
9

Tell me quick please

Mathematics
2 answers:
Alika [10]3 years ago
8 0
Number six is 4x4 there because 4x4= 16
Keith_Richards [23]3 years ago
6 0
1. C
2. A
3. C
4. B
5. C
6. B
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An urn contains 7 red marbles and 3 white marbles. three marbles are drawn from the urn one after the other. find the probabilit
vaieri [72.5K]

7+3 = 10 total marbles

 1st pick = 7/10 for a red one

2nd pick = 6/9 reduces to 2/3 for a red one

3rd pick = 3/8 for a white one

7/10 x 2/3 =14/30 reduces to 7/15

7/15 x 3/8 = 21/120 reduces to 7/40

 probability = 7/40

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3 years ago
Which of the following would best represent a cosine function with an amplitude of 3, a period of pi/2 , and a midline at y = –4
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To transform the function f(x)= cos(x) to have the amplitude of 3, we need to multiply the constant 3 to the function f(x), so we have y=3f(x)

To transform the function f(x)=cos(x) to have the midline y=-4 we need to subtract f(x) by 4, so we have y=f(x)-4, 

To transform the function f(x)=cos(x) to have period of \frac{ \pi }{2}, we need to divide the original period 2 \pi by 4, so we have y=f(4x). Note that it is the 4x gives the effect of dividing the points on x-axes by 4 and the period is read on x-axes

Hence, the full transformation is given y=3f(4x)-4 which is the last option
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2 years ago
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Amy and Roger both wash windows at a large downtown building. Amy can wash 25 windows in 4 hours. Roger can wash 32 windows in 6
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What is 7/6 reduced to
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7/6 is 1 and 1/6 (1 1/6) as a reduced fraction. 7/6 is an improper fraction. So, how many times does 6 go into 7, it goes into it one time and there is one remainder.
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To make a sports drink for the football team, Jaylen filled 9/10 of a large cooler with water. Then, he filled the remaining spa
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He made 3.75 gallons. There was 1/10 remaining, meaning each tenth was 6 cups. The entire thing is 10 tenths so you do 6(10) to get 60 cups. After converting to gallons by doing 60÷26, you get 3.75.
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