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3 years ago

Three screenshots, answer em all pls

Mathematics

1 answer:

Shtirlitz [24]3 years ago

6 0

I just did the second one, the one that looks this a side ways L,
here are the points
(4,4). (5,4). (3,1). (3,2). (4,2). hope this helped

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A photographer stands 60 yards from the base of a lighthouse and observes that the angle between the ground and the top of the l

schepotkina [342]

The height of lighthouse is 52.2 yards

Solution:

Given that photographer stands 60 yards from the base of a lighthouse and observes that the angle between the ground and the top of the lighthouse is 41 degree

The diagram is attached below

Consider a right angled triangle ABC

AB is the height of the lighthouse

BC is the distance between the base of a lighthouse and Photographer

As per given, BC = 60 yards

Angle between the ground and the top of the lighthouse is 41 degree

Angle ACB = 41 degree

To find: height of lighthouse i.e AB = ?

We know that,

$tan(\angle ACB) = \frac{Perpendicular}{Base}$

Here Base is BC and perpendicular is AB

$\tan 41^{\circ}=\frac{A B}{B C}$

Substituting the values,

$\begin{aligned}&\tan 41^{\circ}=\frac{A B}{60}\\\\&0.8692=\frac{A B}{60}\\\\&A B=0.8692 \times 60=52.157 \approx 52.2\end{aligned}$

Thus the height of lighthouse is 52.2 yards

4 0

4 years ago

Select the correct answer. Which rule can you use to find the nth term of an arithmetic sequence in which the common difference

lesantik [10]

Answer

a. a_(n)= 3+5n

4 0

4 years ago

At a large university, 20% of students are enrolled in the nursing program. The dean of students selects a random sample of 20 s

grin007 [14]

Answer:

He can select a row of the random number table and read 20 single digits between 1 and 5. He will record the number of digits that are a 1.

Step-by-step explanation:

edge 2022

3 0

3 years ago

4m-4=4m solve this equation. prefer an explanation. ...?

oksian1 [2.3K]

4m - 4 = 4m

This equation does not work i'm pretty sure, are you sure you typed it up correctly??

7 0

3 years ago

The Willis Tower in Chicago is 1,451 ft tall. The Transamerica Pyramid in San Francisco is 10,236 in. tall.

Marat540 [252]

Answer:

The Transamerica Pyramid in San Francisco is approximately 7 times as tall as The Willis Tower in Chicago.

Step-by-step explanation:

10236 ÷ 1451 = 7.054

6 0

3 years ago