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Paul [167]
4 years ago
14

____ angles are pairs of angles with measures that sum to 90 degrees

Mathematics
1 answer:
Mama L [17]4 years ago
7 0

Answer:

Complementary

Step-by-step explanation:

<u>COMPLEMENTARY</u> angles are pairs of angles with measures that sum to 90 degrees.

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Anyone help me solve this? And show work please
inessss [21]

Answer:

A) 2a + 6

Step-by-step explanation:

(5a + 3) + (2a + 3) + x = 9a + 12

Add both side lengths plus the unknown side to equal the perimeter.

7a + 6 + x = 9a + 12

-7a -6          -7a   -6          Subtract 7a + 6 on both sides

x = 2a + 6 This is the missing side length.

4 0
3 years ago
Write the equation for a parabola with a focus at (-7,-5) and a directrix at x = -4
Nataliya [291]

Answer:

y² + 10y + 6x + 58 = 0

Step-by-step explanation:

Focus of the parabola has been given as (-7, -5) and directrix as x = -4

Let a point on the parabola is (x, y).

By the definition of a parabola, "distance of a point on parabola is equidistant from focus and directrix".

Distance from focus of the given point = \sqrt{(x+7)^2+(y+5)^2}

Distance of the point from directrix = \sqrt{(x+4)^2}

Therefore, equation of the parabola will be,

\sqrt{(x+7)^2+(y+5)^2}=\sqrt{(x+4)^2}

(x+7)^2+(y+5)^2=(x+4)^2

x² + 14x + 49 + y² + 10y + 25 = x² + 8x + 16

y² + 14x + 10y + 74 = 8x + 16

y² + 10y + 6x + 58 = 0

6 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points (4, -1) and (-1, 4)
Phoenix [80]
Slope = -1 -4 / 4 --1
slope = -5 / 5
slope = -1

6 0
3 years ago
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Please help me with this question I will give you Brainlest and 10 points​
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the answer is already given, plz explain

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3 years ago
What is 1 and 5/9 times 9
kolezko [41]
1 \frac{5}{9} * 9= 14

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3 years ago
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