2 years ago

Which expression calculates the speed in meters per second of an object that travels a distance of 40 m every 10 s?

Mathematics

2 answers:

Evgen [1.6K]2 years ago

5 0

Answer:

i believe that it would be B

Step-by-step explanation:

hope this helps

Mumz [18]2 years ago

3 0

Answer:

Step-by-step explanation:

40/10 will give you your answer

40/10=4m/s

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2 years ago

Which expression is equivalent to One-fifth (150 x minus 80 y + 50 minus 50 x minus 25 y + 20)?

inna [77]

Answer:

The answer to your question is 20x + 21y + 14

Step-by-step explanation:

Data

Expression 1/5 (150x - 80y + 50 - 50x - 25y + 20)

Process

1.- Multiply 1/5 by each term

150/5x - 80/5y + 50/5 - 50/5x - 25/5y + 20/5

2.- Simplify

30x - 16y + 10 - 10x - 5y + 4

3.- Simplify like terms

(30x - 10x) + (-16y - 5y) + (10 + 4)

4.- Result

20x + 21y + 14

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3 years ago

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Answer:

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Step-by-step explanation:

5 0

3 years ago

Is the function f(x) = (- 7) ^ x an exponential function ? If so , identify the base . If not , why not ?

Degger [83]

Answer:

Yeah, the base is -7

Step-by-step explanation:

8 0

2 years ago

Find an expression equivalent to 1-sinx ^2/1-cosx ^2

madam [21]

Answer:

cot²x

Step-by-step explanation:

Using the identity

sin²x + cos²x = 1, then

1 - sin²x = cos²x

1 - cos²x = sin²x

Thus

$\frac{1-sin^2x}{1-cos^2x}$ = $\frac{cos^2x}{sin^2x}$ = cot²x

8 0

2 years ago