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ludmilkaskok [199]
3 years ago
15

Is 30 diameters equal to 3 meters?

Mathematics
1 answer:
34kurt3 years ago
3 0
No, because 30 diameters is 30 inches and 3 meters is 118.11 inches
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You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth 100-point test to have a m
kap26 [50]
The mean of n numbers is the sum of the numbers divided by n.

You have a mean score of 84 after taking 5 tests. Let x be the sum of scores.
\frac{x}{5}=84 \\
x=84 \times 5 \\
x=420
You scored a total of 420 points on five tests.

You need to have a mean score of 85 after taking 6 tests. Let y be the score you need to obtain. Your total score on 6 tests is 420+y.
\frac{420+y}{6}=85 \\
420+y=85 \times 6 \\
420+y=510 \\
y=510-420 \\
y=90

You need to score 90 points on the sixth test.
8 0
3 years ago
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Lines A and B are parallel lines cut by a transversal find the value of x​
irga5000 [103]

Answer: x = 13

Step-by-step explanation:

8x + 2 = 14x - 76

78 = 6x

x = 13

7 0
3 years ago
Some one help me out with thus question​
sleet_krkn [62]

Answer:

h=6

Step-by-step explanation:

6 0
3 years ago
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Match each radius or diameter of a circle with its approximate circumference.
jok3333 [9.3K]

Answer:

radius: 3 units <----> Circumference: 18.84 units

Diameter: 12 units <----> Circumference: 37.68 units

Diameter: 36 units <----> Circumference: 113.04 units

Radios: 5 unites <----> Circumference: 31.4 units

Step-by-step explanation:

How I got the answers for the radiuses:

3 (this is only half the diameter so if you do 3 x 2 you will get the diameter.)

3 x 2 = 6

C = pi x d

C = 3.14 x 6

C = 18.84 [this is the first radios]

5 (this is only half the diameter so if you do 5 x 2 you will get the diameter.)

5 x 2 = 10

C = pi x d

C = 3.14 x 10

C = 31.4 [this is the second radios]

How I got the diameters:

12 (this is the full diameter so we do not have to multiply it by 2)

C = pi x d

C = 3.14 x 12

C = 37.68 [this is the first Diameter]

36 (this is the full diameter so we do not have to multiply it by 2)

C = pi x d

C = 3.14 x 36

C = 113.04 [this is the second Diameter]

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5 0
3 years ago
For every 10$ glen earns . his parents require him t0 save 2$ what percent did he spend ?
saveliy_v [14]

Answer:

20%

Step-by-step explanation:

10 each dollar is 10% for 2 dollars =20%

4 0
3 years ago
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