Answer:
180-90=90
90÷2=45
answer is 45
Step-by-step explanation:
To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.
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Answer:
The denominator is shown below the line and is the number of parts by which the whole has been divided. Example: 2/3, in this fraction the whole has been divided into three parts. This fraction represents 2 parts of the 3.
<u> 4 x² = 64</u>
Divide each side by 4 : x² = 16
Take the square root
of each side: x = √16
x = <em>+ 4</em>
and
x = <em>- 4</em> .
Answer:
D
Step-by-step explanation:
Use the FOIL method and multiply it out, and you should get
16x^2+28x-28x-49
Simplify that and you get the answer.
