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4 years ago

Not sure how to do this, I will give Brainiest for step-by-step instructions.

Mathematics

1 answer:

Mkey [24]4 years ago

4 0

Find 2 coordinates on the graph : (0, -20) and (10, 10)

Slope = (10 - (-20) ) / (10 - 0) = 30/10 = 3

Slope = 3

y-intercept = (0, - 20)

Equation : y = 3x - 20

Since the right hand side is shaded, the equation is y > 3x - 20.

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The City of Oz has to repaint its cylinder-shaped water tower. Only the top and sides need to be painted. If the water tower has

scoundrel [369]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Among the choices provided the answer should be letter C. Below is the solution:

top
pi r^2 or pi * 400 
sides 
2 pi r * 60 
40 * 60 pi 
2400pi 

so add the top and side we get p*400 + p*2400 = 2800 pi ft^2

6 0

4 years ago

6. Which pair of points forms a vertical line segment that is 4 units long? (1 point) • (–3, 5) and (–7, 5) • (3, –8) and (3, –4

Ilia_Sergeevich [38]

(-7,5) and (-3,5) :)

4 0

3 years ago

Read 2 more answers

Rosa climbs a 16-meter tower to ride a straight water slide. After landing in the slash pool, she walks 9 meters back to the bas

erastova [34]

Answer:

The length of slide is 18.36 meters

Step-by-step explanation:

The given scenario forms a right-angled triangle where

The height of tower id perpendicular, the distance between slash pool and base of tower is base and the length of slide will be hypotenuse.

Height of tower = h = 16 meters

Distance between slash pool and base of tower = b = 9 meters

Length of slide = s = ?

As it is a right angled triangle, we can use Pythagoras theorem to find the length of slide

Pythagoras theorem states that:

$(Hypotenuse)^2 = (Base)^2+(Perpendicular)^2\\s^2 = b^2+h^2\\s^2 = (9)^2+(16)^2\\s^2 = 81+256\\s^2 = 337\\s^2 = 18.36\ meters$

Hence,

The length of slide is 18.36 meters

4 0

3 years ago

Sum of interior angles of a convex 14-gon

just olya [345]

Answer: 2160°

Step-by-step explanation:

The sum of angles in a polygon is represented by the formula:

Sum = (n - 2) x 180° where n is the number of sides in the polygon

In this case, the complex polygon has 14 sides (n = 14)

So, (14 - 2) x 180°

= 12 x 180°

= 2160°

Thus, the sum of interior angles of a convex 14-gon is 2160°

3 0

3 years ago

Solve the equation x-4/2=10

hodyreva [135]

X-4/2 = 10

x+-2=10

x-2=10

x-2+2=10+2

x=12

4 0

3 years ago

Read 2 more answers