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notsponge [240]
3 years ago
6

HELP ILL MARK AS BRAINLIEST what’s the surface area?

Mathematics
1 answer:
svetoff [14.1K]3 years ago
4 0

Step-by-step explanation:

SURFACE AREA of a cylinder is 2×pi×r×(h+r)

=> 2×3.14×7×(8+7)

=>43.96×(15)

=>659.4 mm^2

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Solve this polynomial expression please.
Sedbober [7]
-9x^3 +54x^2 -30x +12
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3 years ago
Consider m = y2 - y1/ x2 - x1 . Which x1 and x2-values would determine that the line is vertical? Justify your answer
Y_Kistochka [10]

Answer:

x_2=x_1

Step-by-step explanation:

We were given the slope formula;

m=\frac{y_2-y_1}{x_2-x_1}

This line is vertical if the denominator is zero.

That is when x_2-x-1=0

This implies that;

x_2=x_1

Justification;

When x_2=x_1, then, the line passes through;

(x_1,y_1)  and (x_1,y_2)

The slope now become

m=\frac{y_2-y_1}{x_1-x_1}=\frac{y_2-y_1}{0}

The equation of the line is

y-y_1=\frac{y_2-y_1}{0}(x-x_1)

This implies that;

0(y-y_1)=(y_2-y_1)(x-x_1)

0=(y_2-y_1)(x-x_1)

\frac{0}{y_2-y_1}=(x-x_1)

0=(x-x_1)

x=x_1... This is the equation of a vertical line.

3 0
3 years ago
Udlinius<br>6x – 12 = 6(x - 2)​
Sunny_sXe [5.5K]
If you distribute the 6(x-2) you would get 6x-12 so zero would equal zero
5 0
3 years ago
Help meeeeeee!!!!!!!
Juliette [100K]

A: partial variation

B: Direct variation

C: Direct variation

D: Partial variation

5 0
3 years ago
HELPPPPPPP PLEASE AND BRAINLY STOP ASKING ME TO WRITE MORE IM IN URGENCY
babymother [125]

Answer: 1,431

<u>Step-by-step explanation:</u>

split the thing into two rectangular prisms

small prism dimensions: 18 x 2 x 3

multiply the dimensions to get 108

large prism dimensions: 7 x 21 x 9

multiply the dimensions to get 1,323

add 1,323 and 108 together to get 1,431

5 0
3 years ago
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