2 years ago

What does the interior angles of a triangle sum up to be? Why?

Mathematics

2 answers:

KATRIN_1 [288]2 years ago

6 0

Answer:

180

Step-by-step explanation:

I don't know why but that's just always the rule with triangles

Eddi Din [679]2 years ago

3 0

Huh could you re say your question?:)

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SOLVE EQUATION BY TAKING SQUARE ROOTS.<br> -100+81a^2=0

IceJOKER [234]

Answer:

a = ±10/9

Step-by-step explanation:

$-100+81a^2=0\\81a^2=100\\a^2=\frac{100}{81}\\\sqrt{a^2}=\sqrt{\frac{100}{81} }\\a=10/9\\a=-10/9$

7 0

2 years ago

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Using the functions f(x) = (3 - x)/(x2 + 4) and g(x) = 3x, find the value of (f*g)(2).

wariber [46]

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Answer:

(f×g)(2) = 3/4

Step-by-step explanation:

For each of the functions, put 2 where x is and evaluate the expression.

f(2) = (3 -2)/(2² +4) = 1/8

g(2) = 3×2 = 6

Then the product is ...

(f×g)(2) = f(2)×g(2) = (1/8)×6 = 6/8

(f×g)(2) = 3/4

4 0

2 years ago

The approximate volume of a sphere with a diameter of 10 centimeters is

Alexeev081 [22]

Answer: The volume is approximately 523.6 cm³.

Step-by-step explanation:

The formula for the volume of a sphere is V=4/3(3.14)r³

The radius is 5 cm, the you just have to multiply everything together.

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2 years ago

Moving left 5 units would be shown as 'x+5'<br> True<br> False

lawyer [7]

Answer:

true

Step-by-step explanation:

8 0

2 years ago

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The Price of a machine depreciates at the rate of ₹1500 per year. If it was bought for ₹15,800, what will be its price after 5 y

saul85 [17]

Answer:

5th year= 9800

Step-by-step explanation:

1st year=15800

2nd=14300

3rd=12800

4th=11300

5th=9800

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2 years ago