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sp2606 [1]
3 years ago
13

Please help. I don't understand this.​

Mathematics
1 answer:
klio [65]3 years ago
7 0

Answer:

radius=6

Step-by-step explanation:

arc ACB=6xPi

Pi=3.14159

arc ACB=18.85 (rounded to 2 places)

ACB is a half circle so a full circle would be 18.85x2 or 37.7

circumference (whole circle)=2 x Pi x radius

37.7=2 x 3.14159 x radius

radius= 37.7/(2 x 3.14159)

radius=6

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X x 4 *equal sign* 64 hope this helps. :)

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OleMash [197]
The answer is the number 670
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4) Solve each pair of simultaneous equations.
Mkey [24]
4) a. x+y=1–(1)
y=2x-8—(2)
(2) into (1)
x+(2x-8)=1
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(3) into (2)
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b. x+y=19—(1)
y=5x+1—(2)

(2) into (1)

x+(5x+1)=19
6x+1=19
6x=19-1
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(3) into (2)

y=5(3)+1
y=16

ans x=3, y=16

c.x+y=-2—(1)
y=x-10—(2)

(2) into (1)

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2x=-2+10
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x=4–(3)

(3) into (2)
y=4-10
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ans x=4, y=-6


5) 3x=y—(1)
x=y-16–(2)

(2) into (1)

3(y-16)=y
3y-48=y
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y=48/2
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x=24-16
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3 years ago
The sum of two numbers is 109. one number is one more than twice the other number. Find the two numbers.​
Masja [62]

Answer:

I mean I think there are like a ton of answers to this,

50,59

51,58

52,57

53,56

54,55,

Step-by-step explanation:

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What conclusion can be based on the given statement?<br> x is a number such that 7x = 7y
kotykmax [81]
Y must be equivalent to x
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