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Ainat [17]
3 years ago
9

What angles make a triangle? Like, I know 180 is one, but is that it?

Mathematics
2 answers:
RUDIKE [14]3 years ago
8 0

Answer:

A 90 degree angle, 60 degree angle, and a 30 degrre angle

Step-by-step explanation:

VARVARA [1.3K]3 years ago
7 0

Answer:

The right triangle has one 90 degree angle and two acute (< 90 degree) angles. Since the sum of the angles of a triangle is always 180 degrees... The two sides of the triangle that are by the right angle are called the legs... and the side opposite of the right angle is called the hypotenuse.

Step-by-step explanation:

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Derive the equation of the parabola with a focus at (-5,5) and a directix of y = -1
Paladinen [302]

Answer:

D

Step-by-step explanation:

From any point (x, y) on the parabola the focus and directrix are equidistant

Using the distance formula

\sqrt{(x+5)^2+(y-5)^2} = | y + 1 |

Squaring both sides

(x + 5)² + (y - 5)² = (y + 1)^2 , that is

(y + 1)² = (x + 5)² + (y - 5)² ← subtract (y - 5)² from both sides

(y + 1)² - (y - 5)² = (x + 5)² ← expand left side and simplify

y² + 2y + 1 - y² + 10y - 25 = (x + 5)²

12y - 24 = (x + 5)² ← factor left side

12(y - 2) = (x + 5)² ← divide both sides by 12

y - 2 = \frac{1}{12} (x + 5)² ← add 2 to both sides

y = \frac{1}{12} (x + 5)² + 2

or

f(x) = \frac{1}{12} (x + 5)² + 2 → D

7 0
3 years ago
Which expression has a value that is a rational number?
Gnom [1K]

Answer:

The expression has a negative rational number A as its numerical value. Positive rational B. positive integer. negative integer. Question ...

5 0
2 years ago
Can someone help me out pls
Fiesta28 [93]

the answer is d 350000..

6 0
2 years ago
The height of bamboo is proportional to its age. Use the graph to determine how long it takes for bamboo to reach a height of 12
Brut [27]

Answer:

Answer: 30 weeks

wosejdjdduddd

4 0
2 years ago
Find the measure of angle A
Ray Of Light [21]
In the fist you have to know: a<span>ny angle opposite the head is equal in measurement.
so now we know o</span><span>ne angle in the triangle it is 82
</span><span>All corners of the triangle are equal 180
</span>so we have to do this 180-82=98
so we have to collection (4x+8)+(8x-6)=98
12x+2=98
12x=96
x=8
4(8)+8=40
the answer is 40
<span><span><span>
</span></span></span><span><span>
</span></span><span />
8 0
2 years ago
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