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Nana76 [90]
3 years ago
7

The picture shows a barn door.

Mathematics
2 answers:
Verdich [7]3 years ago
6 0
4 ft because it is a 45,45,90 triangle. It's legs are equidistant
BabaBlast [244]3 years ago
5 0

Answer:

AC = 4tan45

Explanation:

Use the tangent  formula to find the distance.

tanΘ=opp/adj

You might be interested in
What is an equation of the line that is parallel to y=-5x+6 and passes through the point (-4,-1)​
marin [14]

Answer:

y= -5x - 21

Step-by-step explanation:

parallel lines have the same slope, so you know the slope.

you need to use the point slope formula y-y1=m(x-x1)

with this equation, this looks like y - -1 =- 5(x - -4)

double negatives are positives, so to keep this easier on the eyes, let's make it y + 1= -5(x + 4)

distribute the -5. you should get y + 1 = -5x - 20

subtract 1 to move it from the left side to the right and you get your answer!

y = -5x - 21

6 0
3 years ago
Which of the following figures does not have line symmetry?
4vir4ik [10]

Answer:

The parallelogram.

Step-by-step explanation:

Line symmetry means that if you folded the shape in half, then both halves would be equal. There is no way to fold a parallelogram in half and have both halves be equal.

7 0
4 years ago
Hi! I'm not sure of the answer to this.
andriy [413]

Answer:

y - 2 = (-3/7)(x + 5)

Step-by-step explanation:

Recall that the slopes of a line and another line perpendicular to the first are negative reciprocals.

The slope of the given line is 7/3.  The negative reciprocal of that is -3/7.  Thus, we immediately eliminate the fourth answer choice.

We must now find the equation of the perpendicular line, with slope -3/7, that passes through (-5, 2).  We'll do that using the point-slope formula for the equation of a straight line.

That formula is    y - k = m(x - h), where m is the slope and (h, k) is the given point.

Substituting 2 for k, -5 for h and -3/7 for m, we get:

y - 2 = (-3/7)(x + 5).  This matches the 3rd given possible answer.

5 0
3 years ago
Please help me my grade is a D
Alenkasestr [34]
The first one is false and the second one is 1.5 2 is the outlier
4 0
3 years ago
What is x? And what are the steps.
IgorC [24]

Answer:

the angle would be 128 be cause they are opposite or opposing angles.

8 0
3 years ago
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