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3 years ago

Lesson Check (6.RRA.3d)

Mathematics

1 answer:

kotegsom [21]3 years ago

3 0

It took Mark 2 1/2 hours to cycle 25 miles. 2 hours 30 minutes or 150 minutes.

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Determine whether (a) x = -1 or (b) x = 2 is a solution to this equation X-8=-9

andrew11 [14]

Answer: (a) x = -1

Step-by-step explanation:

Given

x - 8 = - 9

Add 8 on both sides to isolate x

x - 8 + 8 = - 9 + 8

$\boxed{x=-1}$

Hope this helps!! :)

Please let me know if you have any questions

8 0

3 years ago

Todd is saving for a new video game system and has $127 saved already. He saves $4 a

Fittoniya [83]

He would need to save $4 for 8 weeks.

7 0

4 years ago

HI WHAT IS 7/6 OF 456327= PLEEEEAAASE HEEEELLLP ME!!!!!!!!

zloy xaker [14]

Answer:

532381.5

Step-by-step explanation:

456327 divided by 6 to get 1/6 = 76054.5

76054.5 x 7 to get 7/6 = 532381.5

or 456327 (6/6) + 76054.5 (1/6) =532381.5

3 0

3 years ago

Find the y-intercept - 74 - 7y = -7%

harkovskaia [24]

Answer: -75

Step-by-step explanation:

3 0

3 years ago

What is the effect on the graph of the function f(x) = x when f(x) is replaced with -1/2 f(x)?

inn [45]

Answer:

The correct option is B.

Step-by-step explanation:

The given function is

$f(x)=x$

The new function is

$g(x)=-\frac{1}{2}f(x)$

$g(x)=-\frac{1}{2}x$ .... (1)

It is in the form of

$g(x)=mx$ .... (2)

Where, m is a constant.

If m is negative, then there is a vertical reflection over x-axis. If the constant is greater than 1, we get a vertical stretch and if the constant is between 0 and 1, we get a vertical compression.

From (1) and (2), we get

$m=-\frac{1}{2}$

Since the value of m is negative and absolute value of m is between 0 and 1, therefore the graph g(x) shows the vertical reflection over x-axis and vertical compression.

Option B is correct.

4 0

3 years ago