3 years ago

How can I calculate the value of x

Mathematics

1 answer:

AnnyKZ [126]3 years ago

8 0

Solve 180=10x+10 to find your answer (:

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Find the surface are of the cylinder in terms of pi

Andrej [43]

Hello!

To find the surface area of a cylinder you use the equation

$SA = 2 \pi rh + 2 \pi r^{2}$

SA is surface area
r is radius
h is height

PUt in the values you know

$SA = 2 \pi (7)(18) + 2 \pi * 7^{2}$

Square the number

$SA = 2 \pi (7)(18) + 2 \pi * 49$

Multiply 7 and 18

$SA = 2 \pi * 126 + 2 \pi * 49$

Multiply 126 by 2

$SA = 252 \pi + 2 \pi * 49$

Multiply the 49 by 2

$SA = 252 \pi + 98 \pi$

Add

$SA = 350 \pi$

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3 years ago

Find the simple interest earned after 5 years on $1200 invested at 2% annual interest rate

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The product of a constant factor 15 and a 2-term factor x+4

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The product of 15 and $x+4$ is $15(x+4) = 15x+60$ . This is a linear binomial.

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