Answer:
ummm
Step-by-step explanation:
The quadratic formula is -b plus minus the square root of b^2-4ac all over 2a.
Here, a=1, b=13, and c=30.
The only option that fills in the values correctly is D
<h3><u>Fraction to Decimal:</u></h3>
Divide the numerator (upper number) by the denominator (bottom number) on your calculator. Whatever number you get would be your decimal.
<h3><u>Decimal to Percent:</u></h3>
Take your decimal and use your calculator to multiply it by 100. Whatever number you get would be your percent. However, since it is a percent, you need to include the percentage unit.
<h3><u>Demonstration:</u></h3>
1/4 = 0.25
0.25 * 100(%) = 25%
0.96 because 72 divide by 75 is 0.96
~JZ
Answer:
48
Step-by-step explanation:
The angle where chords cross is half the sum of the subtended arcs.
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(2x +10)° = (1/2)(62° +150°) . . . . using the given values
2x +10 = 106 . . . . simpilfy
2x = 96 . . . . . . . subtract 10
x = 48 . . . . . . . divide by 2
The value of x is 48.