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iogann1982 [59]
3 years ago
8

What is the arc length of CD in the circle below? The circle is shown with a radius of 8ft and a center angle of 35 degrees.

Mathematics
1 answer:
Radda [10]3 years ago
6 0
B.4.88 is the answer
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It takes Nate five hours to paint a wall, and it takes Jill seven hours to paint the same wall. About how many hours will it wil
Alexxx [7]
Let's use the relation:

\mathsf{\dfrac{1}{x} = \dfrac{1}{5} + \dfrac{1}{7}}\\ \\ \\ \mathsf{\dfrac{1}{x} = \dfrac{7+5}{35}}\\ \\ \\ \mathsf{\dfrac{1}{x} = \dfrac{12}{35}}\\ \\ \\ \mathsf{x = \dfrac{35}{12}}\\ \\ \\ \boxed{\mathsf{x\approx 2.92 \ h}}

It would take about 3 hours to complete the work.
3 0
4 years ago
Two planes, which are 2235 miles apart, fly toward each other. Their speeds differ by 95 mph. If they pass each other in 3 hours
lora16 [44]

Answer:

325 mph and 420 mph

Step-by-step explanation:

If the speed of the slower plane is x, then the speed of the faster plane is x + 95.

The distance traveled by the slower plane is 3x.

The distance traveled by the faster plane is 3(x + 95).

The total distance is 2235 miles.

3x + 3(x + 95) = 2235

3x + 3x + 285 = 2235

6x = 1950

x = 325

x + 95 = 420

The speed of the planes is 325 mph and 420 mph.

5 0
4 years ago
Don’t mind the writing. Just trying to see if this is right?
LuckyWell [14K]

Answer:


Step-by-step explanation:

Yep you are 100% correct grate job!!

4 0
3 years ago
Read 2 more answers
If the probability that 42 or fewer kids in a group of 57 like pizza is 79%, what is the probability that at least 43 kids in th
weqwewe [10]

Answer:

Step-by-step explanation:

43

7 0
3 years ago
Read 2 more answers
Gianna is preparing for the upcoming tennis season. According to her schedule, she can complete at most 10 workouts this week. I
Strike441 [17]
The whole number of minutes that Gianna complete each week as a function of x and y:
45x+30y
Since the above number is greater than 450 minutes, we get the inequality:
45x+30y\geq450
Also, "she can complete at most 10 workouts this week" so we deduce the inequality:
\\x+y\leq10
Therefore, the system of inequalities is the following:
45x+30y\geq450
\\x+y\leq10
The above system has many solutions, for example :
4 0
3 years ago
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