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2 years ago

Please help me with this.. and tell correct answer..

Mathematics

1 answer:

seropon [69]2 years ago

5 0

Answer:

Step-by-step explanation:

55 +80 + ∠C = 180 {Angle sum property}

135 + ∠C = 180

∠C = 180 - 135

∠C = 45

The side opposite to the biggest angle is the longest side

Biggest angle is ∠B. So the longest side is AC

Smallest angle is ∠C. So, the shortest side is BA

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Kellens bill at a restaurant before tax and tip is $22 if tax is 5.25% and we wants to leave 15% of the bill including the tax o

Musya8 [376]

22x0.0525 = 1.155

22 x 0.15 = 3.3 (tip)

22 + tax + tip = 26.46 (unless the tax is actually 11.55)

3 0

3 years ago

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A cylinder has a diameter of 40 feet and a height of 32 feet. What is the surface area of the cylinder? Express the answer in

mafiozo [28]

Answer:

$6524.51 ft^2$

Step-by-step explanation:

The surface area of a cylinder is given as;

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

where r = radius

h = height

The cylinder has a height of 32 feet and a diameter of 40 feet. This means that the radius is:

40 / 2 = 20 feet

The surface area is therefore:

$SA = (2*\pi* 20 * 32) + (2*\pi *20^2)\\\\SA = 4021.24 + 2513.27\\\\SA = 6524.51 ft^2$

The surface area of the cylinder is $6524.51 ft^2$ .

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3 years ago

IF 24% of the sixth grade class is in Mrs Whites class and Mrs White has 30 students how many sixth graders are there in all?

Alexeev081 [22]

Given

0.24 × (number of 6th grade students) = 30

Find

(number of 6th grade students

Solution

Divide by 0.24.

... (number of 6th grade students) = 30/0.24 = 125

4 0

3 years ago

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8/11 of a class of 44 pupils passed their science test. how many pupils failed the test?

lbvjy [14]

Answer:

12 pupils failed the test

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2 years ago

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3/5 of 7 pls help shshshshs

vaieri [72.5K]

Answer:

11.6666666667

Step-by-step explanation:

First you multiply 7 by 5

7x5=35

Then you divide 35 by 3

35/3 = 11.6666666667

4 0

2 years ago

Please help me with this.. and tell correct answer..​

Please help me with this.. and tell correct answer..