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masha68 [24]
3 years ago
9

Evaluate 8j-k+14when j=0.25 and k =1

Mathematics
1 answer:
nevsk [136]3 years ago
5 0

Answer:

8j-k+14

8(0.25)-1+14=2-1+14=15

Step-by-step explanation:

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In a circle with center C and radius 6, minor arc AB has a length of 4pi. What is the measure, in radians, of central angle ACB?
valina [46]
To solve this problem, we need to know that 
arc length = r θ  where θ is the central angle in radians.

We're given
r = 6 (units)
length of minor arc AB = 4pi
so we need to calculate the central angle, θ
Rearrange equation at the beginning,
θ = (arc length) / r = 4pi / 6 = 2pi /3

Answer: the central angle is 2pi/3 radians, or (2pi/3)*(180/pi) degrees = 120 degrees
8 0
3 years ago
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A flagpole is at the top of a building. 300 feet from the base of the building, the angle of elevation of the top of the pole is
Grace [21]

Answer: We can use tangent here to find the length of the flagpole

First, find the length of the building + the flag pole

tan 32 = x/300

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find length of building

tan 30 = x/300

x=173.205080757

subtract

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round, length of flagpole = 14 feet

7 0
3 years ago
18. The sum of 10 times a number and fifteen is added to eleven times the same number.​
sergij07 [2.7K]

Answer:

Sum of 10 times a number and fifteen is added to eleven times the same number is therefore: 10x + 15 + 11x = 21x + 15

Step-by-step explanation:

4 0
3 years ago
7 more than 3 multiplied by x algebraic expression ​
Karolina [17]

Answer:

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Step-by-step explanation:

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3 years ago
Abraham just accepted a new job at consulting firm that pays $47,500 during the first year, with an annual increase of 7% per ye
gladu [14]

Answer:

64,125 I think

Step-by-step explanation:

7%x 5 years =35%

35% of 47, 500 is 16625

16625 + 47,500=64,125

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3 years ago
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