Answer:
A
Step-by-step explanation:
y component=17 sin 81≈16.7907≈16.8
Answer:
-12.5%
Step-by-step explanation:
The percentage change in your time can be computed using ...
pct change = ((new value)/(old value) -1) × 100%
= (28/32 -1) × 100%
= (0.875 -1) × 100% = -12.5%
The time to finish level 2 decreased by 12.5%.
Answer:
ME=0.014
Sample Proportion=0.725
Step-by-step explanation:
-The margin of error is defined as the percentage by which obtained results differ from the real population value.
-It is calculated as half the difference between the confidence interval levels:
![ME=\frac{1}{2}[CI_u-CI_l]\\\\=0.5[0.739-0.711]\\\\=0.014](https://tex.z-dn.net/?f=ME%3D%5Cfrac%7B1%7D%7B2%7D%5BCI_u-CI_l%5D%5C%5C%5C%5C%3D0.5%5B0.739-0.711%5D%5C%5C%5C%5C%3D0.014)
Hence, the margin of error is 0.014
-The sample proportion is mathematically half the sum of the confidence intervals:
![ME=\frac{1}{2}[CI+u-CI_l]\\\\=0.5[0.739+0.711]\\\\=0.725](https://tex.z-dn.net/?f=ME%3D%5Cfrac%7B1%7D%7B2%7D%5BCI%2Bu-CI_l%5D%5C%5C%5C%5C%3D0.5%5B0.739%2B0.711%5D%5C%5C%5C%5C%3D0.725)
Hence, the sample proportion is 0.725
The equation that is not necessarily true is that PQ = AB.
<h3>How to illustrate the equation?</h3>
The perpendicular bisector of any line segment can be drawn by opening the compass more than half, by putting the nib of the compass at one end of a line segment, and by marking an arc on both sides of the line segment from both the ends of the segment.
The following Property that the perpendicular bisector PQ follows when it bisects the line segment AB include:
- AP=BP
- AQ=BQ
- AR=BR
- ∠ARP=∠BRP=∠ARQ=∠BRQ=90°
Therefore, PQ is Perpendicular Bisector of Line Segment AB is not true.
Learn more about equations on:
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Answer:
D Numbers that can be written as fractions
Step-by-step explanation:
A <em>rational</em> number is one that can be written as a <em>ratio</em>: a fraction with integer numerator and denominator.
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The term "decimal" as used here is sufficiently non-specific that we cannot seriously consider it to be part of a suitable answer. A terminating or repeating decimal will be a rational number. A non-terminating, non-repeating decimal will not be a rational number.
While integers and whole numbers are included in the set of rational numbers, by themselves, they do not constitute the best description of the set of rational numbers.
