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Rudiy27
4 years ago
12

Find the circumference and the area of a circle with diameter 7 cm

Mathematics
1 answer:
zepelin [54]4 years ago
3 0
Circumference formula: diamter*pi=7pi
Area = pi*r^2=pi(3.5)^2=12.25pi.
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If g(x) and f(x) are inverse functions, which graph represents g(x)?
34kurt

When g(x) and f(x) are inverse functions, the graph that represents g(x) is the second graph.

<h3>How to explain the graph?</h3>

It should be noted that the first graph shows the radical expression where, f(x) = ✓x.

In order to find the inverse, we need to replace f(x) with y and switch the x. This will be:

x = ✓y

(✓y)² = x².

y = g(x) = x²

Therefore, the graph that shows the exponential growth is the second graph.

Learn more about graph on:

brainly.com/question/19040584

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4 0
2 years ago
Harold swam 6 2/5 km in 2 hours how far could Harold swim in 5 hours
Mama L [17]

The distance that Harold swim in 5 hours should be 16 km.

Given that,

  • Harold swam 6 2 ÷ 5 km in 2 hours.
  • And, the number of hours given is 5 hours.

Here we assume the distance be x

So,

6\frac{2}{5} =6.4

Now

\frac{6.4}{2}=\frac{X}{5}

2x=(6.4)(5)

2x=32

Now Divide by 2 on both sides  

Thus,  

X=16 km

Therefore, we can conclude that the distance that Harold swim in 5 hours should be 16 km.

Learn more about the distance here: brainly.com/question/12319416

4 0
3 years ago
In simplest form 3n-13-5n+6n​
azamat

Answer:

THE ANSWER IS 4n - 13

6 0
3 years ago
If 9a+5b+5c=9 what is -10c-18a-10b?
Rus_ich [418]
9a + 5b + 5c = 9

Multiplying the whole equation by -2.

-18a - 10b - 10c = -18.

Hence, the answer is -18.
6 0
3 years ago
AO
iogann1982 [59]

Answer: Summer Math Packet for Students Entering Algebra 2. 1. Percentages ... E) -15+6 = -9 f). 35:-7 = 5 g. 3[2(6+1)-32). 1+(22-1)+1. 1 = 3 h). 4:3 =

Step-by-step explanation: Good luck!

3 0
3 years ago
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