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Studentka2010 [4]
3 years ago
8

Find x, y and z 82" 54

Mathematics
1 answer:
scZoUnD [109]3 years ago
6 0

Answer:

help me pls

Step-by-step explanation:

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length of a rectangle is 3 times its width.If its perimeter is 24 centimetres what is the area of the rectangle?​
fgiga [73]

Answer:

<h3>27 cm²</h3>

Step-by-step explanation:

The length is 3 × width.

l = 3w

The perimeter is 24 centimeters.

P = 2l + 2w

24 = 2(3w) + 2w

24 = 6w + 2w

24 = 8w

3 = w

The width is 3 centimeters.

l = 3(3)

l = 9

The length is 9 centimeters.

Area is l × w.

A = l × w

A = 9 × 3

A = 27

The area is 27 squared centimeters.

7 0
2 years ago
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Nine less than two times a number is no less than the sum of five times the number and two
dimulka [17.4K]
2n-9 > 5n+2

That is the answer, I believe
6 0
3 years ago
A 13 Ft ladder is leaning up against a building, with the base of the ladder 2 feet from the building. How high up on the buildi
Lelechka [254]

Visualize the image in your mind and you can see that it forms a right angled triangle with a base,altitude and hypotenuse

base=2 feet

hypotenuse(ladder)=13 ft

We need to find the altitude,

By applying pythagoras theorem,

base square+altitude square=hypotenuse square

Take altitude as x

2 square+x square=13 square

4+x square=169

x square=169-4

x square=165

x= root of 165

x=12.8 feet(approx.)

6 0
3 years ago
7/12 + 6/12 + 2/12 =
OleMash [197]

Answer:

1 1/4

Step-by-step explanation:

hope it helps ^^

6 0
2 years ago
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Which two angles are supplemartrt
Makovka662 [10]

Answer:

Supplementary angles are two angles whose sum is 180 degrees while complementary angles are two angles whose sum is 90 degrees.

Step-by-step explanation:

8 0
3 years ago
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