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12345 [234]
3 years ago
7

How would I solve this

Mathematics
1 answer:
Tom [10]3 years ago
3 0

Answer:21.2

do x/45 = 24/51 cross multiply and get 51x=1080 simplify and get 21.2

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The solution shown for the equation is incorrect. What is the correct​ solution? What is the​ error?
Degger [83]
-9(3-r)=45
-27+9t=45
9r=45+27
R=72/9
R=8
The answer is 8 not -8
5 0
3 years ago
I need help with question 18 PLS!!!!
dolphi86 [110]

Answer:

162

Step-by-step explanation:

( -a ) ( b ) ( -a + b )

-6 ( 3 ) ( -6 + -3 )

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If the cost is $250 each day. How much do I pay at 6 days and 2 nights?
LiRa [457]
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What is 5+5= and 5×2​
saveliy_v [14]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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(1 point) Consider the function f(x)=2x3−6x2−48x+5 on the interval [−4,10]. Find the average or mean slope of the function on th
andreyandreev [35.5K]

Answer:

The mean slope on the interval is 68

Step-by-step explanation:

The formula to find the mean slope on an interval [a, b] is given by:

\frac{f(b)-f(a)}{b-a}

So now, we are going to find f(10) and f(-4) and will substitute these values in the formula.

f(10)=2(10)^{3} -6(10)^{2} -48(10)+5\\f(10) =2(1000)-6(100)-480+5\\f(10)=2000-600-480+5\\f(10)=925\\\\f(-4)=2(-4)^{3} -6(-4)^{2} -48(-4)+5\\f(-4)=2(-64)-6(16)+192+5\\f(-4)=-128-96+192+5\\f(-4)=-27

So the mean slope of the function on the interval [-4,10] is:

\frac{f(10)-f(-4)}{10-(-4)} =\frac{925-(-27)}{14} =\frac{925+27}{14} =\frac{952}{14} =68

8 0
3 years ago
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