The diagram below shows an equilateral triangle ABC with AB = (4x - 9)cm. Diagram not drawn to scale
В B.
Α'
(4x – 9) cm
The perimeter of the triangle is 45 cm.
Calculate the value of x.
[3]
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Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c