Y varying directly with x means y equals a constant multiplying x: y=kx
in this case, k=4, so 84=4x
x=21
Four and eleven hundredths
Answer:
3.6cm
Step-by-step explanation:
YZ = 10² - 6² = 8
sinX = 8/10 = 53.13º
cos 53.13º = XN/6
XN = 3.6cm
Answer:

Step-by-step explanation:
<u>Step 1: Make an equation</u>
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<u>Step 2: Cross multiply</u>
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<u>Step 3: Divide both sides by 32</u>
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Answer: 