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sineoko [7]
3 years ago
8

For the acute angles in a right triangle,

Mathematics
1 answer:
Romashka [77]3 years ago
5 0

Answer:

answer for this solution is 10 degrees

Step-by-step explanation:

sin x + cos x = 90

5x + 3x +10 = 90

x = 10

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Whats the slope of the line?
TiliK225 [7]

Answer:

m = rise/run = 4/5.

Step-by-step explanation:

This line goes throught the "exact" grid intersections (-2, 0) and (3, 4).  As we move from the first point to the second, we see that x increases by 5 (this is the 'run') and y increases by 4 (this is the 'rise').  Thus, the slope of this line is m = rise/run = 4/5.

6 0
3 years ago
How do you do it<br> .Thank you
GrogVix [38]
An improper fraction is when the numerator is greater. For example, 1 7/8 = 15/8
5 0
3 years ago
12r2s + 21rs2 – 3rs=
Nitella [24]
Answer:
63rs

explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs
6 0
3 years ago
Which of the lines below has a negative slope?
aleksandrvk [35]
Well, negative slope has the word negative in it right? So, it will be the negative number. Answer: -5 (negative 5)
6 0
3 years ago
All else being equal, if you cut the sample size in half, how does this affect the margin of error when using the sample to make
gizmo_the_mogwai [7]

Answer:

The margin of error is multiplied by \sqrt{2}

Step-by-step explanation:

margin of error (ME) from the mean can be calculated using the formula

ME=\frac{z*s}{\sqrt{N} } where

  • z is the corresponding statistic of the given confidence level
  • s is the standard deviation of the sample (or of the population if it is known)
  • N is the sample size

Since margin of error is proportional with inverse of \sqrt{N},

if we cut the sample size in half, the margin of error is multiplied by \sqrt{2}.

8 0
3 years ago
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