Answer: B
Step-by-step explanation: Hope this helps :)
15/100
Im pretty sure thats the answer :3
Answer:
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Answer:
952 cubic feet
Step-by-step explanation:
The diameter is 21, so the radius is 10.5. The area of a circle is πr^2, so 10.5^2π, or 110.25π. The pool is filled 9 inches from the top, so it is 3.5 feet - 9 inches high, 9 inches is 0.75 feet, so 2.75 feet filled. Now multiply 110.25π by 2.75 to get 303.1875π and then 952.4916, closer to 952 cubic feet.
Tell me if I'm right
Let
x----------> number of weeks
y----------> total money
we know that
<span>Judy's saving equation can be modeled as follows
</span>y=20+6x------------> equation 1
and
Ida's spending equation can be modeled as follows
y=172-4x----------> equation 2
<span>to know when they will have the same amount
</span>equation 1=equation 2
20+6x=172-4x------------> 6x+4x=172-20----------> 10x=152------> x=15.2
x=15.2 weeks
the answer is 15.2 weeks