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xxMikexx [17]
2 years ago
7

Please hurry! will give brainliest

Mathematics
1 answer:
slega [8]2 years ago
3 0

Answer:

Step-by-step explanation:

If we think about a right triangle, we get that the hypotenuse is 24ft or the length of the ladder. The base of the ladder is 15ft away from the building which is the leg of the right triangle. The screenshot is the diagram (my drawing isn't that good lol:))

Thus we can use cosine function with the angle between the ladder and the ground since we need to find the angle and we get

cos\alpha = \frac{15}{24}

and \alpha = 51.3 degrees

The angle is 51.3 degrees hope that helps!

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A plane is flying within sight of the Gateway Arch in St. Louis, Missouri, at an elevation of 30,000 ft. The pilot would like to
Maurinko [17]

Answer:

X = 33,669.78 ft

Y = 15285.76 ft

Step-by-step explanation:

Given data:

let x be the distance btwn arch and plane

and y be the distance btwn  ground point  and arch y

we know that

cos\theta =  \frac{adjacent}{hypotaneous}

cos(27) = \frac{30,000}{x}

xcos27 = 30000

x = \frac{30000}{cos 27}

x = 33,669.78 ft

b) we knwo that

tan \theta  = \frac{opposite}{adjacent}

tan 27 = \frac{y}{30000}

y = tan(27) (30000)

y = 15285.76 ft

8 0
3 years ago
Need help with 8-10 didn’t understand this
castortr0y [4]
Answer:

8. F) -5
9. D) (-2,3)
10. J) -10
7 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLYIST FOR WHOSE RIGHT ITS TIMED TOO
Slav-nsk [51]

Answer: Centimeters

Step By Step: 1 centimeter is equivalent to one hundredth of a meter. 1 millimeter is equivalent to one thousandth of a meter.

8 0
3 years ago
How do I know if it’s similar, congruent or neither?
Phantasy [73]

Answer:

These two triangles are congruent.

Step-by-step explanation:

You know this bc the markings on the drawing show that Angle B and Angle D are congruent. Also that AB is parallel to CD. This means that Angle BAC and Angle DCA are congruent by ALTERNATE INTERIOR ANGLES. Also, AC is congruent to itself. That makes the two triangles congruent by ANGLE-SIDE-ANGLE.

Now, you need to know that "congruent" triangles (and shapes in general) are the same size and shape. "Similar" triangles (shapes) are the same shape but not necessarily the same size.

5 0
2 years ago
-2.75 + 8.25 ? Help pls
Archy [21]
The answer is 5.5!!!!
3 0
3 years ago
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