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3 years ago

Triangle

Mathematics

2 answers:

Gnesinka [82]3 years ago

3 0

Answer:

I think it's 165 degrees

kolbaska11 [484]3 years ago

3 0

Answer:

The correct answer is 120. Thank me later.

Step-by-step explanation:

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Some integers are irrational numbers true or false please explain

Agata [3.3K]

False, all integers are rational because they can be expressed as a fraction. Like -4 is a rational number because it can be -4/1. All integers are rational.

4 0

3 years ago

Help with this question it's PEMDAS

Dafna11 [192]

[3*(2+4)] -4

Parenthesis first:

[3 * 6] -4

Brackets next:

18 - 4

Now subtract:

18-4 = 14

The answer is C. 14

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3 years ago

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Find the height of a triangle with base 3 m and area 9 m².<br> a<br> m

miss Akunina [59]

Answer:

h=6

Step-by-step explanation:

a=b x h x 0.5

9=3 x h x 0.5

9/3=3/.5=6

h=6

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2 years ago

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What is the center of the ellipse x2+5y2–45=0?

jeka94

Answer:

Center is at (0,0)

Step-by-step explanation:

An equation of ellipse in standard form is:

$\displaystyle{\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2} = 1$

Where center is at point (h,k)

From the equation of $\displaystyle{x^2+5y^2-45=0}$ . First, we add 45 both sides:

$\displaystyle{x^2+5y^2-45+45=0+45}\\\\\displaystyle{x^2+5y^2=45}$

Convert into the standard form with RHS (Right-Hand Side) equal to 1 by dividing both sides by 45:

$\displaystyle{\dfrac{x^2}{45}+\dfrac{5y^2}{45}=\dfrac{45}{45}}\\\\\displaystyle{\dfrac{x^2}{45}+\dfrac{y^2}{9}=1}$

Therefore, the center of ellipse is at (0,0) since there are no values of h and k.

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2 years ago

X + 1.6 = 3.5 solve for X

galina1969 [7]

Answer: 1.9

Step-by-step explanation:

3.5 - 1.6 = 1.9

To make sure it’s the right answer;

1.9 + 1.6 = 3.5

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3 years ago

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