In this case, you would use Pythagoras' Theorem:
a^2 = b^2 + c^2
with a being the hypotenuse (a is always the hypotenuse I'm Pythagoras' Theorem).
So we substitute the other sides in (it doesn't matter which side is b or c):
a^2 = 3^2 + 4^2
= 9 + 16
= 25
Therefore:
a = 5
Because in order to get rid of the squared on the side with the a, you must square foot both sides. This will get rid of the squared on the left and square the right hand side. The root of 25 is 5 and so a = 5
Answer:
37m (hope im doing it in right way)
Step-by-step explanation:
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Yes
Reason - figure b has been increased by 3 (x3 for each side)
Eg. figure b - 1. Figure a - 3
Answer:
0.9821
Step-by-step explanation:
Probability that a randomly selected value will be less than 2.1 deviations from the mean ; this means the Zscore = 2.1
Hence, using :
P(Z < 2.1) = 0.9821 (standard normal table
= 0.9821
Answer: 22 + 8x ≤ 60
Step-by-step explanation: She has to spend 22 dollars on jeans, so $22 will be added to the initial amount. The <em>x </em>will be the number of t-shirts and then the cost of <em>x </em>t-shirts will be <em>8x</em>. Putting this into inequality form will result in <u>22 + 8x ≤ 60</u>
