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Serhud [2]
3 years ago
11

A composite figure is shown.

Mathematics
1 answer:
Oksana_A [137]3 years ago
4 0

Answer:

its D

Step-by-step explanation:

rectangle area:

3×13

=39cm²

triangle area:

7×10 / 2

70/2

=35cm²

total area:

35+39

=74cm²

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In right ∆LMN, sin M = 0.759. What is cos N? A. 0.121 B. 0.241 C. 0.349 D. 0.651 E. 0.759
Hatshy [7]

Answer:

E. 0.759

Step-by-step explanation:

You can take this right triangle to have a base length side LM , height of LN and a hypotenuse of MN

The sine of angle ∠LMN is 0.759, find the value of ∠LMN

sin^-1(0.759)=49.38

∠LMN=49.38°

Find angle ∠LNM

You know sum of angles in a triangle add up to 180°, given that this is a right-triangle, the base angle is 90° hence

∠LNM=180°-(90°+49.38°)

∠LNM= 180°-139.38°=40.62°

Find cos 40.62°

Cos 40.62°=0.7590

6 0
3 years ago
A car takes 4 hours to cover a certain distance, travelling at a speed of 120 km/h. How long will the car take if it travels at
muminat

Answer:

3/8 hours

Step-by-step explanation:

distance=speed/time=120/4=30km

time=distance/speed=30/80=3/8

4 0
3 years ago
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Use the laplace transform to solve the given initial-value problem. y' + y = (t − 1), y(0) = 3
GaryK [48]

In mathematics, the Laplace transform, named after its discoverer Pierre Simon Laplace, transforms a function of real variables (usually in the time domain) into a function of complex variables (in the time domain). is the integral transform that Complex frequency domain, also called S-area or S-plane).

Learn more about Laplace transform here brainly.com/question/17062586

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5 0
2 years ago
People need to develop a financial plan to accomplish their retirement goals. True False
icang [17]

Answer:

True

Step-by-step explanation:

The reason I say this is because of the fact you can't go into retirement without knowing how much your going to get. You need to create a financial plan stating how much you will get and how much you have saved prior to this occurence.

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Answer:

Step-by-step explanation:

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