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uysha [10]
2 years ago
9

The length of a side of an equilateral triangle is x-45

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
3 0

Answer:

that means all the other sides are x-45 and each of the angles are 60 degrees

(i dont know what your asking for)

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Which equation below would be best solved by using the addition property of equality?
Svetradugi [14.3K]

Answer: F-23=45

Step-by-step explanation:

The addition property of equality means that if:

A = B

then we can add the same thing in both sides of the equation, and the equality will remain balid, so:

A + C = B + C.

Then, the correct answer is the last option:

if

F - 23 = 45

Then we can add the same number to both sides, we can add 23 to both sides and in this way isolate F:

F - 23 = 45

(F - 23) + 23 = 45 +23 = 68

F + (23 - 23) = 68

F = 68

8 0
3 years ago
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Find the unit rate.<br> 130 feet in 6.5 seconds
madam [21]

Answer:

20 feet per second

Step-by-step explanation:

130/6.5 = 20

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A second game uses spinner B. A player must spin a Wto win. Explain how to find the experimental probability of spinning a W.
Volgvan

Answer:

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Step-by-step explanation:

8 0
3 years ago
What is an equation of the line that passes through the point (−8,−1) and is parallel to the line x-4y=4x
avanturin [10]

Answer:

y = -3/4x - 7

Step-by-step explanation:

Parallel lines have the same slope.

Solve for y in the equation to find the slope.

x - 4y = 4x

  -4y = -x + 4x

  -4y = 3x

     y = 3/-4 x   = -3/4x    So the slope is -3/4  which is the coefficient of the

                                       x term

Substitute the slope(m) = -3/4 and point (-8, -1) into y = mx + b to solve for "b"

y = mx + b

-1 = -3/4(-8) + b

-1 = 6 + b

-1 - 6 = b

-7 = b

The equation of the new line:  y = mx + b

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5 0
2 years ago
Help me with this!!!!
sdas [7]

Answer:

IJ = 34

Step-by-step explanation:

Since HK = JK, then IK is a perpendicular bisector and Δ is isosceles, then

IJ = HI , that is

2s = s + 17 ( subtract s from both sides )

s = 17

Then

IJ = 2s = 2 × 17 = 34

7 0
2 years ago
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