Kathryn, a college student, works part time at a coffee house.She worked?2 3/8 hours on Monday,3 1/2 on Tuesday,53/4 on Wednesda
y, 6 1/4 on Thursday, and 8 on Friday. How many
hours did she work altogether?
She worked hours altogether.
(Simplify your answer. Type an integer or a mixed number)
hours did she work altogether?
She worked hours altogether.
(Simplify your answer. Type an integer or a mixed number)
1 answer:
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Answer:
Solutions are (6,3) and (-2,3).
Step-by-step explanation:
From the first equation given we can write:
substituting for in the second equation given we get
∴ y=3
Putting y=3 in the first equation we get
x-2 = ±4
Hence x=6 or x=-2.
Answer: OPTION D.
Step-by-step explanation:
The formula for calculate the circumference of a circle is:
Where <em>r</em> is the radius.
The formula for calculate the area of a circle is:
Where <em>r</em> is the radius.
Solve for <em>r</em> from to calculate it:
Subsitute the radius into . Then: