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gregori [183]
3 years ago
8

ITS URGENT PLEASE HELP!!! I will give brainliest if correct! Someone please help?

Mathematics
1 answer:
QveST [7]3 years ago
5 0

Answer:

D, E, C, A, and B.

Step-by-step explanation:

We wish to solve the equation:

2(x-3)+7-3x=11

Let’s go through this step-by-step.

1) Distributive Property:

2x-6+7-3x=11

2) Commutative Property of Addition (we rearrange them):

2x-3x-6+7=11

3) Combined Like Terms:

-x+1=11

4) Addition Property of Equality* (we add <em>-1</em> to both sides):

-x=10

5) Multiplication Property of Equality (we multiply both sides by -1):

x=-10

So, our sequence is:

D, E, C, A, and B.

*A better choice would’ve been the Subtraction Property of Equality, but both are equally fine.

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A graph titled velocity versus time has horizontal axis time (seconds) and vertical axis velocity (meters per second). A line ha
AnnyKZ [126]

Acceleration is the change in velocity with respect to the time. The acceleration of the car at segment C is -30 meter per second squared. Hence the option B is the correct option.

<h3>Given information-</h3>

Segment A runs from 0 seconds 0 meters per second to 1 seconds 30 meters per second.

Segment B runs to 3 seconds 30 meters per second.

Segment C runs to 6 seconds 10 meters per second.

Segment D runs to 7 seconds 10 meters per second.

Segment E runs to 10 seconds 20 meters per second.

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Acceleration is the change in velocity with respect to the time. Acceleration of a vector quantity which means it has both magnitude and the direction. It can be given as,

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Acceleration at segment C,

a_c=\dfrac{10-40}{6-5}

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Thus the acceleration of the car at segment C is -30 meter per second squared. Hence the option B is the correct option.

Learn more about the acceleration here;

brainly.com/question/2437624

4 0
2 years ago
Read 2 more answers
35. In her rough work, Janu added 2389 and 740 as shown here.
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Answer:

D

Step-by-step explanation:

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2 years ago
Verify the identity and explain how cot(x- pi/2)= -tan x
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Answer:

First, let's recall some usefull information:

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- tan(x) = sin(x)/cos(x)

We also know that:

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Now we can use those relationships and get:

cot(x - pi/2) = cos(x - pi/2)/sin(x -pi/2) = sin(x)/-cos(x) = -tan(x)

So we have verified the identity, and explained step by step why the identity is true.

8 0
3 years ago
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