3 years ago

Will someone help me with these 2 questions please?

1 answer:

4 0

1. Use pythagoras theory
(7.1)^2 + (3.4)^2 = AB^2
AB = 7.87 (3 sig figures ) (check answer in calculator )

2. Use trigonometry
Tan(x)=opp/adj
Tan(x)=13.4/3.7
X=tan^-1 (13.4/3.7)
X= 74.6

You might be interested in

A railroad crew can lay 7 miles of track each day. They need to lay 203 miles of track. The length, L (in miles), that is left t

swat32

Answer:

It will take 29 days to lay the track

After 18 days the crew still has 77 miles of track left to lay

Step-by-step explanation:

203÷7

=29 days

L= 203 - 7(18)

L= 203 - 126

L= 77

7 0

3 years ago

What is the next term of the following sequence? 20, 10, 5, 2 1/2, ... 1 1/2 1 1/4 3/4

Lynna [10]

20\2=10
10\2=5
5\2=2.5
2.5\2=1.25

4 0

3 years ago

Directions: Solve for x in the inequalities below. Graph and check your solution.

Kipish [7]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

A ladder reaches the top of a 20 foot building. the ladder is 4.5 feet away from the building. how long is the ladder?

KATRIN_1 [288]

Answer:

Step-by-step explanation:

do that with pithagoras:

20² + 4,5² = x²

400 + 20,25 = x²

420,25 = x²

x = $\sqrt{420,25}$

x ~ 20,5

Letter C: 20,5 feet

4 0

3 years ago

Estimate 200,629 +28,542

Alinara [238K]

$200,629 \approx 201,000\\28,542 \approx 29,000\\\\ 201,000 + 29,000 = 230,000\\200,629 + 28,542 \approx 230,000$

5 0

3 years ago

Read 2 more answers