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liubo4ka [24]
4 years ago
7

What is the surface area of a cylinder with base radius 4 and height 5 eithier enter an exact awnser in terms of pi or use 3.14

for pi and enter your awnser as a decimal
Mathematics
2 answers:
timofeeve [1]4 years ago
7 0

Answer:

SA=226.195

Step-by-step explanation:

TEA [102]4 years ago
5 0

Answer:

Step-by-step explanation:

Given that,

Base radius r = 4 unit

Height h = 5 unit

Constant π = 3.14

Surface Area?

Noted that, the surface area is the curve surface of the cylinder. A cylinder has a curved surface area and two circular area.

Area of the curved surface is

A = 2πrh

A = 2π × 4 × 5

A = 40 × 3.14

A = 125.6 square unit

The curved surface area is 125.6 square unit

I hope this helps: cc sadiku

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Find the value of x and the value of y. A.x = 15, y = 10 B.x = 20, y = 50 C.x = 50, y = 10 D.x = 50, y = 20
Llana [10]

Answer:

X = 50

Step-by-step explanation:

(5x - 100) + (x - 20) = 180 (sum of angle on a straight line is = 180)

5x + x -100 -120 = 180

6x - 120 = 180

6x = 180 + 120

6x = 300

x = 300/6

x = 50

For y

3y + y + 140 = 180

4y = 180 -140

4y = 40

y = 40/4

y = 10

3 0
3 years ago
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th
grandymaker [24]

Answer:

Step-by-step explanation:

The rocket will hit the ground when y = 0. If you use the quadratic equation:

x = (-248±√(2482-4(-16)(116))/(2(-16))

4 0
3 years ago
Find the diameter of the circle with the given circumference. Use 3.14 for π(PI).
disa [49]

Answer:

Diameter = 8.28

Step-by-step explanation:

<u>Step 1:  Solve for r</u>

2*3.14*r = 26 / 2

3.14r / 3.14 = 13 / 3.14

r = 4.14

<u>Step 2:  Find the diameter by multiplying the radius by 2</u>

r = 4.14

d = 4.14 * 2

d = 8.28

Answer:  Diameter = 8.28

5 0
3 years ago
Which equation represents a line passing through the point (8,33) with a slope of 3?
Delvig [45]

The slope intercept form of equation of required line is y = 3x + 9

What is equation of line in slope intercept form?

The most general form of equation of line in slope intercept form is given by y = mx + c

Where m is the slope of the line and c is the y intercept of the line.

Slope of a line is the tangent of the angle that the line makes with the positive direction of x axis.

If  \theta is the angle that the line makes with the positive direction of x axis, then slope (m) is given by

m =  tan\theta

The distance from the origin to the point where the line cuts the x axis is the x intercept of the line.

The distance from the origin to the point where the line cuts the y axis is the y intercept of the line.

Here,

Slope = 3

The line passes through (8, 33)

Equation of required line

y - 33 = 3(x - 8)

y - 33 = 3x - 24

y = 3x - 24 + 33

y = 3x + 9

To learn more about equation of line in slope intercept form, refer to the link:

brainly.com/question/25514153

#SPJ1

6 0
1 year ago
Karen earns $5 by delivering newspapers each week. She saves $3 and she spends the rest. How many weeks will it take her to save
antoniya [11.8K]
It will take her 12 weeks overall
3 0
3 years ago
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