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Ipatiy [6.2K]
2 years ago
7

Which point BEST represents the location of 58 on the number line?

Mathematics
1 answer:
nataly862011 [7]2 years ago
8 0

Answer:

Step-by-step explanation:

60

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Length A is 4 ft. after a dilation is performed length B is 7ft. what was the scale factor used?
kogti [31]
1.75

4 x 1.75 = 7 so that is the answer
5 0
3 years ago
Daisy has a marble collection in her room the ratio of blue marbles to red marbles are 4 : 7 if she has 24 blue marbles how many
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Answer:

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Step-by-step explanation:

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Levart [38]

amswer:

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step by step:

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2 years ago
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3 years ago
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Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0
Black_prince [1.1K]

Answer:

x = pi, 3pi, 5pi  etc

x = -pi, -3pi, -5pi etc

Step-by-step explanation:

cos^2 x + 2 cos x + 1 = 0

replace cos x with m

m^2 + 2m +1 = 0

solve by factoring  (this is a^2 +2ab+b^2 = (a+b)^2  where a =m and b=1)

(m+1)^2=0

take the square root of each side

m+1 =0

m=-1

now replace m with cos x

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x = pi, 3pi, 5pi  etc


3 0
3 years ago
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