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adell [148]
3 years ago
10

PLEASE HELP THIS IS URGENT!!!

Mathematics
1 answer:
jolli1 [7]3 years ago
8 0

Answer:

-5

Step-by-step explanation:

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A right triangle has side lengths d, e and f as shown below use the lengths to find sin x cos x and tan x
Monica [59]

Answer:

sin is d/f

cos is e/f

tan is d/e

Step-by-step explanation:

sin is opposite over hypotenuse

cos is adjacent over hypotenuse

tan is opposite over adjacent

Some old hippie, caught another hippie, tripping on acid

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HELPPPPP ASAP
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Answer:

r/c  

Step-by-step explanation:

96/48

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24/12

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Kayla wants to build a fence in her backyard the length of her backyard is 30 feet and the width is 45 feet how many feet of fen
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150

Step-by-step explanation:

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Determine the slope of the line given the points (2,1) and (4,0)
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The slope is the change in Y over the change in X.


Slope = (0 - 1) / 4-2)

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Tublu buys a cylindrical water tank height 1.4 M and diameter 1.1 M to catch rainwater off his roof. ​
denis23 [38]

Complete Question:

Tublu buys a cylindrical water tank of height 1.4m and diameter 1.1m to catch rainwater off his roof. He has a full 2 liters tin of paint in his store and decides to paint the tank(not the base). If he uses 250ml to cover 1m2, will he have enough paint to cover the tank with one layer of paint? Take pie as 3.142

Answer:

Yes. It will be enough to cover the tank with 1 layer of paint. The tank requires 1.21 liters of paint.

Step-by-step explanation:

Given:

Height of cylindrical tank (h) = 1.4m

Diameter = 1.1m (radius = ½ of 1.1 = 0.55 m)

Litres of paint available = 2 liters

Rate of usage of paint = 250 ml to 1 m²

π = 3.142

Required:

Determine if the available 2 liters of paint would be enough for the painting

Solution:

Step 1: calculate the curved surface area of the cylindrical tank

Curved surface area (CSA) = 2πrh

= 2*3.142*0.55*1.4

= 4.84 m²

Step 2: Calculate how many liters of paint is required to paint the cylindrical tank having a curved surface area of 4.84 m²

If 1 m² requires 250ml (0.25 liters) of paint,

4.84m² area will require 4.84*0.25 liters

= 1.21 liters of paint.

<em>Since 2 liters of paint is available, it means the paint will be more than enough to cover the tank with 1 layer of paint.</em>

7 0
3 years ago
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