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kondaur [170]
3 years ago
15

For a party, Susan estimated there would be 14 people in attendance, but only 12 showed up. What was the percent error in her es

timation?
Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0
14.3% would be the answer
Mariana [72]3 years ago
5 0
She was only %85.7 correct
You might be interested in
If sin(x) = squareroot 2 over 2 what is cos(x) and tan(x)
Bumek [7]

Answer:

cos(x) = square root 2 over 2; tan(x) = 1

Step-by-step explanation:

\frac{\sqrt{2} }{2}

was, before it was rationalized,

\frac{1}{\sqrt{2} }

Therefore,

sin(x)=\frac{1}{\sqrt{2} }

The side opposite the reference angle measures 1, the hypotenuse measures square root 2.  That makes the reference angle a 45 degree angle.  From there we can determine that the side adjacent to the reference angle also has a measure of 1.  Therefore,

cos(x)=\frac{1}{\sqrt{2} }=\frac{\sqrt{2} }{2} and

since tangent is side opposite (1) over side adjacent (1),

tan(x) = 1

7 0
3 years ago
PLEASE HELP!
fenix001 [56]

Answer:

No

Step-by-step explanation:

No because (1,2) falls on the line, and the line is a dotted line, which means that any point on the line is not a solution to the inequality.

5 0
3 years ago
Please help!! giving brainlest , please be serious. due in a few minutes thanks!
Margaret [11]

The answer is -7

The arrows both point toward the left side, and sine there are seven spaces the arrows are going through, you subtract 7 spaces and get -7

Hope that helps.

7 0
2 years ago
Read 2 more answers
What fraction is at the same location as 1/4
Maksim231197 [3]

Answer:

Fractions equivalent to 1/4 are 2/8, 3/12, 4/16, 5/20, 6/24, 7/28, 8/32, 9/36, 10/40.

those are the ones i know so far

3 0
3 years ago
PLEASE HELP THIS IS URGENT I AM BEING TIMED!!
Volgvan

Answer:

1/30 or 3.333%

Step-by-step explanation:

7 0
3 years ago
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