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IgorC [24]
4 years ago
7

Find the surface area. Round your answer to the nearest tenth

Mathematics
1 answer:
Lina20 [59]4 years ago
4 0
A = 4πr^2 = 4π*9 = 113,1
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What is the solution to the equation 4(3x - 11) + 23 = 5x - 14 ?
Maurinko [17]
Hello there!

4(3x - 11) + 23 = 5x - 14

Apply the distributive property to 4(3x - 11)
4(3x) + 4(-11)
12x - 44

We now have:
12x - 44 + 23 = 5x - 14
Combine like-terms on the left-hand side of the equation.
-44 + 23 = -21

12x - 21 = 5x - 14
Get x on one side by subtracting 5x from both sides..
12x - 5x = 7x
5x - 5x = 0

7x - 21 = -14
Add 21 to both sides to isolate 7x.
-21 + 21 = 0
-14 + 21 = 7

7x = 7
Divide both sides by 7 to solve for x.
7x / 7 = x
7 / 7 = 1

We are now left with the following solution:
x = 1

I hope this helps!
7 0
3 years ago
Is m = 1 a solution to the inequality below?<br> 55<br> m<br> &gt; 26<br> yes<br> no
Bas_tet [7]

Answer: no

Step-by-step explanation:

3 0
2 years ago
Simplify each expression by combining like terms. <br>7a - 6 + 8a ​
anygoal [31]

=7a - 6 + 8

=7a + 8a - 6 =15a - 6

5 0
3 years ago
What is the distance between begin ordered pair 8 comma negative 3 comma 4 end ordered pair and begin ordered pair 6 comma negat
katen-ka-za [31]

Answer:

d = \sqrt{14} = 3.74...

Step-by-step explanation:

To find the distance between (8, -3, 4) and (6, -4, 1), use the distance formula for (x,y,z) points. It is very similar to (x,y) points.

d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2 + (z_2 - z_1)^2} \\d = \sqrt{(8 - 6)^2 + (-3--4)^2 + (4-1)^2} \\d = \sqrt{(2)^2 + (1)^2 + (3)^2} \\d = \sqrt{4 + 1 + 9}\\ d = \sqrt{14} = 3.74...

5 0
3 years ago
Find the limit of (lnx)³/x as x approaches infinity.
EastWind [94]
Ok, so one way is like your way

so
if we test some numbers
for x=10
we get about 12.3/10≈1.2
for x=100000
we get 1522.03/100000≈0.01522
the top number keeps getting smaller reletive to bottom number
when x=1000000000
we get 8899.68/1000000000≈0.000009

we notice the bottom number is increaseing at a faster rate that the botom one
when x approaches infinity,the bottom number will be so big it will become a fraction that evaluates to basically zero becuase it evaluates to a very small number that is negligible
5 0
3 years ago
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