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2 years ago

3(n+8)=13 Gizmos Solving Algebraic Equations 2

Mathematics

1 answer:

Readme [11.4K]2 years ago

6 0

Answer:

n= - 11/3

Step-by-step explanation:

3(n+8)=13

3n+24=13

3n=13-24

3n-11

n= - 11/3

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laiz [17]

Answer:

$AB=12\sqrt{3}\ cm$

Step-by-step explanation:

If AB is tangent to the circle, then angle ABO is right angle and triangle AOB is special $30^{\circ}-60^{\circ}-90^{\circ}$ triangle. In this triangle, the leg that is opposite to the angle of 30° is half of the hypotenuse. Thus,

$AO=2BO=2\cdot 12=24\ cm.$

By the Pythagorean theorem,

$AB^2=AO^2-BO^2,\\ \\AB^2=24^2-12^2,\\ \\AB^2=576-144=432,\\ \\AB=12\sqrt{3}\ cm.$

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2 years ago

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dem82 [27]

Answer:

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Step-by-step explanation:

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2 years ago

Simplify this expression

antiseptic1488 [7]

Answer:

2/(3x-2)²

Step-by-step explanation:

4x²-6x³-2x²+6x³/4x²-6x³-6x³+9x^4=

2x²/4x²-12x³+9x^4=

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2/9x²-12x+4

2/(3x-2)²

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3 years ago

The difference between the measures of two supplementary angles is 92. Find the measure of both angles

Sholpan [36]

supplementary angles add up to 180 degrees

x + y = 180

x - y = 92

---------------add

2x = 272

x = 272/2

x = 136 <=== this is one angle

x + y = 180

136 + y = 180

y = 180 - 136

y = 44 <=== this is ur other angle

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2 years ago

Read 2 more answers

2 üssü - 12 ile 25 üssü 2 nin çarpımı nedir?

KengaRu [80]

Answer:

2 üssü 12 demek 2'yi 12 defa yanyana yazmak demektir yani 2×2×2×2×2×2×2×2×2×2×2×2×=4096 eder.

şimdi diğerini yapalım aynı şekilde yapmış olursak 25×25 =625 eder

ŞİMDİ SONUCU BULALIM:4096×625=2,560,000

KOLAY GELSİN

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2 years ago