Answer:
<em>20 units² </em>
Step-by-step explanation:
What is the Value of 5a + 15/B WHEN A =-2 AND b=3
2 answers:
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Answer:
D. 59.66
Step-by-step explanation:
The formula is <em>A = = 3.14</em>
so we need to find the area's
9 x 9 = 81
81 x 3.14 = 254.34
Next circle.
10 x 10 = 100
100 x 3.14 = 314
Now to find the difference.
314 - 254.34 = 59.66
59.66
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The required distance covered is 90 units
<h3>Distance formula</h3>The formula for calculating the distance between two points is expressed as shown:
The required coordinates missing are (0, 42.78) and (90.42.78). Substiute the coordinate into the formula:
Hence the required distance covered is 90 units
Learn more on distance formula here: brainly.com/question/1872885