1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Archy [21]
3 years ago
7

Need help please math questions # 12 and 14

Mathematics
2 answers:
pshichka [43]3 years ago
5 0

Answer:

\large \boxed{\text{ Q12. 0.85 m; Q14. 24 750 ft}}

Step-by-step explanation:

Question 12.

If Jeff is using a right triangle, the third angle of the triangle is 45°.

They have an isosceles triangle, so the distance from the foot of the elevator to the base of the cliff is x ft.

We can use Pythagoras' Theorem:

The square on the hypotenuse is equal to the sum of the squares of the other two sides.

d² = x² + x²

1.2² = 2x²

1.44 = 2x²

x² = 0.72

x ≈ 0.85 m

Question 14

Hugo's angle of descent is the same as the angle of elevation from the point of touchdown.

The glidepath distance is the horizontal distance from the  point where they start the descent to the point of touchdown (side c in the diagram).

Thus we have a right triangle in which ∠B = 22° and b = 10 000 ft.

\begin{array}{rcl}\tan B & = & \dfrac{b}{c}\\\\\tan 22^{\circ} & = & \dfrac{\text{10 000 ft}}{c}\\\\0.4040 & = & \dfrac{\text{10 000 ft}}{c}\\\\c & = & \dfrac{\text{10 000 ft}}{0.4040}\\\\ & = &\text{24 750 ft}\\\end{array}\\\text{The length of Hugo's glide path is $\large \boxed{\textbf{24 750 ft}}$}

icang [17]3 years ago
3 0

Answer:

Step-by-step explanation:

You might be interested in
Find the surface area and volume of the following figures.
Oduvanchick [21]

White figure Area = 128\pi

White surface area = appro. 301

Yellow area = 320\pi

Yellow Surface area = approx. 653

Area found with = 2πrh+2πr2

Surface Area found with = 2πrh+2πr2

You need to memorize them for tests

Hope that helped!!! k

4 0
3 years ago
Read 2 more answers
What is 1/5 times 24 as estimate
Furkat [3]
 the  estimates or correct answer is 24/5 =4 4/5

4 0
3 years ago
Read 2 more answers
Which of the following is a polynomial?
Zanzabum

Answer:

I'm pretty sure A is the correct answer :)

(x-2)(x^4+3) is a polynomial

5 0
2 years ago
Mark's age, x, is 6 times his age 2 years ago.
miv72 [106K]
A, X=6(x-2) as his age take away 2 (his age two years ago) then multiplied by 6 will equal his current age.
4 0
3 years ago
Read 2 more answers
A study at a college in the west coast reveals that, historically, 45% of their students are minority students. if a random samp
Evgesh-ka [11]
100 percent because 45 % is always in between 30 and 50 %
5 0
3 years ago
Other questions:
  • Can you help with this one
    12·1 answer
  • You are a researcher studying the lifespan of a certain species of bacteria. From a previous study, it was found that the standa
    8·1 answer
  • (-1) + (-1) + (-1) + (-1) + ... 500 times =<br>(a) 500<br>(b) 1<br>(c) -1<br>(d) -500​
    12·1 answer
  • 50 points!!!
    12·1 answer
  • A car drives at a speed of 34 2/3 mph. How many miles will the car travel in:<br> 40 min?
    14·1 answer
  • A scientist builds a Mars rover that can travel 4.9 centimeters per second on flat ground.
    6·2 answers
  • What is an equation of the line that is parallel to y=3x-8 and passes through point (4,-5)?
    7·1 answer
  • During the mayoral election,two debates were held between the canidates. The first debate lasted 1 4/5 hours. The second one las
    8·1 answer
  • PLEASE HELP 15 POINTS N BRAINLIEST
    7·2 answers
  • HELP!!!!!! 100 POINTS!!!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!