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galben [10]
3 years ago
9

Find the surface area of the cone, use 3.14 for pi

Mathematics
2 answers:
seraphim [82]3 years ago
6 0
To find the area of a cone you do A=πr(r+\sqrt{h^2 + r^2}
Which give you the answer of 151.58
DIA [1.3K]3 years ago
3 0
Hey,
The answer is 138 inches².

Cheers,
Izzy
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Serggg [28]

$2004 Apex answer !!

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2 years ago
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How do you put 27% ,miles per hour , 42% and 45 in a sentence
Serjik [45]
  There are a number of possible combinations for this open-ended question, so here's an example question and answer, in which the two are non-related:
 James' car is going at 45 miles per hour, and that is 42% of his maximum speed. How much slower does James have to go to be 27% of his maximum speed?
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7 0
2 years ago
(6x+5)-(3x+10)<br> how to solve this question?
Sveta_85 [38]

Answer:

3x-5

Step-by-step explanation:

(6x+5)-(3x+10) = 6x+5-3x-10

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4 0
2 years ago
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Solve for x. Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions. 54x+64 49x + 59
never [62]

Answer:

x=-1

Step-by-step explanation:

54x+64=49x+59

subtract 64

54x=49x-5

subtract 49x

5x=-5

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7 0
3 years ago
Use substitution to solve the system.<br><br> x=3y-8<br> 3x-4y=-9
nadya68 [22]
<span>x=3y-8
3x-4y=-9

We are told that:
</span>x=3y-8

So replace x in 3x-4y=-9 with x=3y-8 like so: 
3(3y-8)-4y=-9 

Start by distributing the 3: 
(3)(3y)+(3)(-8)+-4y=-9
Now you have: 
9y+-24+-4y=-9&#10;
Combine like terms, now you have: 
5y-24=-9&#10;
add 24 to both sides 
5y-24+24=-9+24&#10;
Now you have:
5y=15
Divide both sides by 5 to get: 
y=3 

Now that you know y=3 plug it into: 
x=3y-8
x=3(3)-8
x=1 

Final answer: 
(1,3) 
5 0
2 years ago
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