Answer:
A. 21 / 29
Step-by-step explanation:
with reference angle X
base (b) = 21
hypotenuse (h) = 29
Now
Cos X = b / h
= 21 / 29
Hope it will help :)
Answer:
5 x 2 inside the parenthesis
Step-by-step explanation:
We need an order of operations to ensure we always arrive at the correct answer. It gives us a consistent way to work with numbers. We use the mnemonic device like PEMDAS to remember the correct order.
P-parenthesis
E-exponents
M-multiplication
D-division
A-add
S-subtract.
We apply them left to right doing inner operations before outer operations.
There fore our first step is in the parenthesis and multiplication because it is the inner most operations. 5 x 2 inside the parenthesis.
Answer:
its B= 79/80
Step-by-step explanation:
i divided 79 by 80 and got .87 repeating
(brainliest???)
Step-by-step explanation:
65) Perimeter = 13 + 12 + 5 or 30 cm
Area= 5 x 12 / 2 or 30 cm^2
Perimeter formula: Add all the sides
Area formula ( triangle)= 1/2 bh
66) Perimeter = 8 + 4 + 7 + 3.5 or 22.5 ft
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:) Hope this helps</em></u></h3>
