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blsea [12.9K]
3 years ago
8

Plz help me with these

Mathematics
1 answer:
grigory [225]3 years ago
8 0

Answer:

4)

Step-by-step explanation:hope this helps

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Help me plz with my hw
inna [77]
Circumference is found with the formula

c = pi × d

d is diameter and we will use 3.14 for pi.

The diameter is the measure across the center of the circle. In the first problem, you are given the radius, so we have to multiply by 2 to get the diameter. Then we can use the formula.

12.4 in × 2 = 24.8 in (that's the diameter)

c = pi × D
c = 3.14 × 24.8
c = 77.872 inches

circumference is 77.872 inches.

Try the other problems on your own. They are just like this one. Just make sure they are giving you the diameter and not the radius. Post if you have problems.
6 0
3 years ago
G = {(5,3), (2, 3), (6,4)} Is G^-1 a function and why?
sleet_krkn [62]

Answer:

The inverse relation G^(-1) is not a function. Why not? Because the y value y = 3 is paired up with more than one x value (x = 5, x = 2). The inverse relation G^(-1) is the set shown below

{(3,5), (3,2), (4,6)}

All I've done is swap the (x,y) values for each ordered pair to form the inverse relation. As you can see, x = 3 leads to multiple y value outputs which is why this relation is not a function. So in short, the answer is choice C. To have the inverse relation be a function, each value in the original domain must map to exactly one value in the range only. However that doesn't happen as the domain values map to an overlapping y value (y = 3).

5 0
3 years ago
Ethan can blow 15 balloons in 20 minutes Junwei can blow 18 balloons in 25 minutes and vishal can blow 16 balloons in 21 minutes
monitta

Answer:

ethan blows fastest

Step-by-step explanation:

5 0
3 years ago
What the answer now question
sergejj [24]

Answer:

69 is your answer

Step-by-step explanation:

Have a wonderful day and good luck on you're test!

3 0
3 years ago
What number is bigger 10.65 or 1.056
Vladimir [108]
10.65 is bigger because 65 is larger than 56
5 0
3 years ago
Read 2 more answers
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