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kykrilka [37]
2 years ago
14

I need help A,b,c, or d

Mathematics
1 answer:
butalik [34]2 years ago
4 0

Answer:

answer C

Step-by-step explanation:

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Eighty-eight percent of all people who try to do this ratio and proportion
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Answer: 61 people have worked on this worksheet so far.

Step-by-step explanation:

Given: 80% people try to do this ratio and proportion  worksheet find they need some help with the problems.

Let x be the total number of people worked on this worksheet so far.

People need some help with the problems. =80% of x = 0.80x

As per given,

0.80x=49

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3 years ago
Which values are solutions to the inequality below? . . Check all that apply.. . x2 > 49. .
Marianna [84]
   
x^2 \ \textgreater \  49 \\  \\ 
x_{1,2} =  \pm \sqrt{49}  = \pm 7 \\  \\ 
\boxed{x \in (-\infty, ~-7)\bigcup (7,~ +\infty) }



6 0
3 years ago
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Find the coordinates of the third vertex that completes the construction of a right triangle on the coordinate plane.
Neko [114]

Answer:

<u>(7,a) Where a ∈ R - {7}</u>

<u>OR</u>

<u>(-2,a) where a ∈ R - {-2}</u>

Step-by-step explanation:

The coordinates of the given line from the right to the left are:

(7,1) and (-2,1)

So, to make a right triangle, we need to make a right angle or by another words, we need to a make a perpendicular line to the given line (i.e: a vertical line parallel to the y-axis at one of the given points)

So, the third vertex must be on the line x=7 or x=-2

So, the coordinates of the third vertex is:

<u>(7,a) Where a ∈ R - {7}</u>

<u>OR</u>

<u>(-2,a) where a ∈ R - {-2}</u>

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3 years ago
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Which pair of angles has congruent values for the sin x and the cos yº?
kirza4 [7]

Answer:70;20

Step-by-step explanation:

3 0
3 years ago
Solve: 2^x-2^(x-2)=6
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X=3! Hope this helps (:
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3 years ago
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