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Len [333]
2 years ago
14

Please help me this is due in 20 mins

Mathematics
2 answers:
Alex2 years ago
8 0

Answer:

1. The perimeter of figure a is 36 cm.

2. The area of figure a is 60 cm².

3. The perimeter of figure b is 14.25 in.

4. The area of figure b is 7.031 in².

If it's wrong tell me

vekshin12 years ago
6 0

Answer:

35cm

120cm^2

Step-by-step explanation:

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Which ordered pair is a solution of the linear system: x+2y=-8 and
andrew-mc [135]

Answer:

option A

A(-2,-3)

Step-by-step explanation:

make y subject of formula

x+2y=-8

2y=-8-x

y=(-8-x)/2

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when x=-2

y=-4-(-2)/2

=-4-(-1)

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(-2,-3) is an ordered pair

5 0
2 years ago
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Talja [164]
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-4x + 14</span>
6 0
2 years ago
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A rock with mass of 5.0 kg is carried up a small hill 10 meters high. What is the potential energy of the rock at the hilltop?
Sonja [21]

490J

Step-by-step explanation:

Given parameters:

Mass of rock = 5kg

Height of hill = 10m

Unknown:

Potential energy at the hilltop = ?

Solution:

Potential energy is the energy at rest of a body. it is given as:

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m is the mass of the body

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h is the height of the hilltop

     P.E = 5 x 10 x 9.8 = 490J

Learn more:

Potential energy brainly.com/question/10770261

#learnwithBrainly

5 0
3 years ago
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Klio2033 [76]

Answer:

31.5 units²

Step-by-step explanation:

Area = ½*base*height

Height of the triangle on the grid = 9 units

Base = 7 units

Area = ½*9*7

Area = ½*63

Area = 63/2

Area = 31.5 units²

3 0
2 years ago
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Population Of the United States

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