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goblinko [34]
3 years ago
13

Please help me ASAP I’ll mark Brainly

Mathematics
1 answer:
gregori [183]3 years ago
4 0

Answer:

13

Step-by-step explanation:

Prove

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What is the length of RS.
Natali [406]

Consider, in ΔRPQ,

RP = R (Radius of larger circle)

PQ = r (radius of smaller circle)

We have to find, RQ, by Pythagoras theorem,

RP² = PQ²+RQ²

R² = r²+RQ²

RQ² = R²-r²

RQ = √(R²-r²

Now, as RQ & QS both are tangents of the smaller circle, their lengths must be equal. so, RS = 2 × RQ

RS = 2√(R²-r²)

5 0
3 years ago
A company introduces a new product for which the number of units sold S is
KonstantinChe [14]
(a) The "average value" of a function over an interval [a,b] is defined to be 

(1/(b-a)) times the integral of f from the limits x= a to x = b. 

Now S = 200(5 - 9/(2+t)) 

The average value of S during the first year (from t = 0 months to t = 12 months) is then: 

(1/12) times the integral of 200(5 - 9/(2+t)) from t = 0 to t = 12 

or 200/12 times the integral of (5 - 9/(2+t)) from t= 0 to t = 12 

This equals 200/12 * (5t -9ln(2+t)) 

Evaluating this with the limits t= 0 to t = 12 gives: 

708.113 units., which is the average value of S(t) during the first year. 


(b). We need to find S'(t), and then equate this with the average value. 

Now S'(t) = 1800/(t+2)^2 

So you're left with solving 1800/(t+2)^2 = 708.113 

<span>I'll leave that to you</span>
6 0
3 years ago
Write 10 5/12 as an equivalent improper fraction.
allochka39001 [22]

125/12 would be your equivalent improper fraction

3 0
3 years ago
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A rental company rents big-screen televisions for $22 down plus $4 a day. If the final bill is $46, how many days did you rent t
Misha Larkins [42]

Answer:  6 days

Step-by-step explanation:

take 22 off of the final price 46-22=24

now divid 24 by 4

and u have 6

4 0
3 years ago
WILL GIVE BRAINLIEST
Savatey [412]
A' = (-2, 1)
B' = (1, 0)
C' = (-1, 0)
4 0
3 years ago
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