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MArishka [77]
3 years ago
6

Find the measure of “rst”

Mathematics
2 answers:
Murljashka [212]3 years ago
7 0
Its over 90 degrees but i cannot tell you the exact measurement
Lostsunrise [7]3 years ago
5 0

Answer: it is 110 bcs each section in 10° and there are 11 sections

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The diameter of a circle is 55 inches.
Galina-37 [17]
The radius would be 8.75
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3 years ago
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Mx+nx=p solve for x please
Irina-Kira [14]
X(m+n) = p
x = p/(m+n)

Hope this helps!
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3 years ago
A 14 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1092. Find the substance's half-
nignag [31]

Answer:

t = 6.3

Step-by-step explanation:

N=Noe^(-kt)

No = 14 grams

k = .1092

We want to find t when N = 7 or 1/2 of 14

N=Noe^(-kt)

7 = 14 e ^ (-.1092t)

Divide each side by 14

1/2 = e ^ (-.1092t)

take the natural log of each side

ln (1/2) = ln e ^ (-.1092t)

ln (1/2) = -.1092t

Divide each side by -.1092

ln (1/2)/ -.1092 = t

t≈6.3475

Rounding to the nearest tenth

t = 6.3

5 0
3 years ago
Randy has 386 hockey cards. he has 165 more baseball cards does he have in all​
muminat

Answer:

just add 386+165 which equals 551

Step-by-step explanation:

5 0
3 years ago
Part I: Describe the center and radius of the circle.
trasher [3.6K]

Answer:

Center (2,4) , radius=3, h=2 v=4 & r=3

Step-by-step explanation:

Ok so in order to find the center of the circle, use the graph (like you can see that the x is 2,if you count down from 5 to the left. the y is 4,because it's below 5 in the y pole).So the center is (2,4)

Now, in order to find the length of the radius, you need to do the following:

Take the center point (2,4) and the point where the circle ends (2,1) . Because radius is a straight, you can substract the y values of the two points : 4-1=3

As you can see in the equation, the h symbolizes the x of the center point and the v symbolizes the y.The r is the radius that we already found(3)

So it's shouldn't be a problem now to find the equation of the circle,simply replace the values with their numbers:

(x-2)^2 + (y-4)^2 = 9

4 0
3 years ago
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