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lakkis [162]
3 years ago
12

Find the surface area of a sphere with radius of 1.5 and slant height of 6.​

Mathematics
1 answer:
storchak [24]3 years ago
3 0

Answer:

about 28.27

Step-by-step explanation:

A=4πr2

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What's does 1000(3)h mean
insens350 [35]
Multiplication!

your answer to that should be 3000h

I hope this helps!

if you have any further questions, please feel free to private message me!
8 0
3 years ago
Find an equation of the line that passes through the points (1 2) and perpendicular to the line 2y-x=4
Ratling [72]
Steps to find the equation
1. Find the slope
2. Insert slope into the general equation
3. Find y-intercept
4. Insert -intercept into the equation found in step 2
And you get the equation of the line

----------------------------------------------------------------------------------------------
Find the slope
----------------------------------------------------------------------------------------------
2y - x = 4

----------------------------------------------------------------------------------------------
Rewrite into the form y = mx + c
----------------------------------------------------------------------------------------------
2y = x + 4
y = 1/2 x + 2

Slope = 1/2
Perpendicular slope = -2 (negative reciprocal)

----------------------------------------------------------------------------------------------
Insert slope into the equation
----------------------------------------------------------------------------------------------
y = mx + c
y = -2x + c

----------------------------------------------------------------------------------------------
Find y-intercept
----------------------------------------------------------------------------------------------
y = -2x + c
At point (1, 2)
2 = -2(1) + c
2 = -2 + c
c = 4

----------------------------------------------------------------------------------------------
Insert y-intercept into the equation y = -2x + c
----------------------------------------------------------------------------------------------
y = -2x + 4

----------------------------------------------------------------------------------------------
Answer: y = -2x + 4
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3 0
3 years ago
Subtract. Simplify the answer 8/9-1/2=
Inessa05 [86]
7/18 is the simplified answer.
6 0
3 years ago
Read 2 more answers
Write a linear equation parallel to the line y = 2x + 1 that passes through the
romanna [79]

Answer: y = 2x - 13

Explanation:

Slope intercept form: y = mx + c where m is the gradient/slope (how steep the line is) and c is the y intercept ( the point where the line crosses the y axis)

It states parallel, so you know that the gradient has to be the same (they need to be "steep" at the same rate to be parallel)

Substitute the numbers in:

y = mx + c

-5 = 2(4) + c

-5 = 8 + c

c = -8-5

c = -13

With this, rewrite the equation:

y = 2x - 13

7 0
3 years ago
Solve x^3 =64 what would the answer be
NeX [460]

Answer:

x=4

Step-by-step explanation:

take the cube root of both sides

(4x4x4= 64)

5 0
3 years ago
Read 2 more answers
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