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Naddika [18.5K]
3 years ago
6

Please help me with mathematics

Mathematics
1 answer:
klasskru [66]3 years ago
6 0

Answer:8

Step-by-step explanation:if im wrong sorry

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The blue segment below is a diameter of O. What is the length of the radius of the circle?
nexus9112 [7]

Answer: Option D :3.85 units.


Step-by-step explanation: Diameter is the longest chord of any circle . It is a straight line passing through the center of the circle and touches the circle at two points. Radius is a line  drawn from the center of circle to the circumference. Radius is half of diameter.In the given figure the blue line is diameter  .The diameter is the blue line which equals 7.7 units.Radius is half of diameter .Radius = 7.7÷2=3.85 units.

Option D is the right answer.


8 0
3 years ago
Read 2 more answers
On a map, 9 cm represents 15 miles. If the distance between two cities on the map is 15 cm, how many miles separate the cities?
torisob [31]

Answer:

15 cm on the map is equal to 25 miles.

Step-by-step explanation:

Given that,

On a map, 9 cm represents 15 miles.

The distance between two cities is 15 cm. We need to find the distance in miles.

9 cm = 15 miles

1\ cm=\dfrac{15}{9}\ \miles

So, 15 cm is equal to,

15\ cm=\dfrac{15}{9}\times 15\ miles\\\\=25\ miles

So, 15 cm on the map is equal to 25 miles.

4 0
3 years ago
Five plus one multiplied by ten eaquals 5 1x10=
faust18 [17]
By order of operation
5+1x10
5+10
15

By normal solving
5+1x10
6x10
60
3 0
3 years ago
A basket ball player made 23 out of 50 free throws in the last game. What percent of the free throws did he make?
AlexFokin [52]
23/50 times 100= 46%
4 0
3 years ago
What is the amplitude, period, and phase shift of f(x) = −3 cos(4x + π) + 6?
MatroZZZ [7]

Answer:

amplitude =

3

period =

\frac{\pi}{2 }

phase shift =

-  \frac{\pi}{4}

3 0
3 years ago
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