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katrin [286]
3 years ago
5

Find the solutions of 5x^2 -20x +20= 0

Mathematics
2 answers:
tino4ka555 [31]3 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

sineoko [7]3 years ago
5 0

Answer:

x = 2

Step-by-step explanation:

5(2)²-20(2)+20=0

20-40+20=0

0=0

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Tell which property is illustrated by the statement. 3+z=z+3
ANEK [815]

Answer:

communitive property of addition

Step-by-step explanation:

The community property of addition states: a+b=b+a

This basically means that when you add two numbers, the order of when you add them does not occur.

3 0
2 years ago
Can someone help its algebra?
aalyn [17]

Answer:

see explanation

Step-by-step explanation:

The perimeter is the sum of the 3 sides of the triangle , that is

3x + 2x + 6 + 6x - 3 ( simplify by collecting like terms )

= 11x + 3

Given the perimeter = 36 units , then

11x + 3 = 36 ( subtract 3 from both sides )

11x = 33 ( divide both sides by 11 )

x = 3

Then

base = 2x + 6 = 2(3) + 6 = 6 + 6 = 12 units

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8 0
2 years ago
Find the area of the sector.
attashe74 [19]

Answer: C . 147π / 4 mi²

Concept:

The sector is the part of a circle is enclosed by two radii of a circle and their intercepted arc.

A = (θ / 360) πr²

θ = angle of the sector

π = constant

r = radius

Solve:

<u>Given variable</u>

θ = 270°

r = 7 mi

<u>Given formula</u>

A = (θ / 360) πr²

<u>Substitute values into the formula</u>

A = (270 / 360) π (7)²

<u>Simplify exponents</u>

A = (270 / 360) π 49

<u>Simplify by multiplication</u>

A = (147 / 4) π

A = 147π / 4

Hope this helps!! :)

Please let me know if you have any questions

4 0
3 years ago
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A square tile has an area of 148 in2.
aivan3 [116]
Yes you are correct B is the right answer
3 0
2 years ago
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