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Liula [17]
3 years ago
13

Which of the following are solution to the inequality below -4w - 2 < -38

Mathematics
1 answer:
FromTheMoon [43]3 years ago
8 0

Answer:

w > 9

Step-by-step explanation:

Solve the inequality by using inverse operations.

-4w - 2 < -38

-4w < -36

w > 9

Like solving equations, inequalities should be solved using inverse operations. However, unlike equations, when you divide or multiply by a negative the sign changes.

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Can you help me? Please explain how you got it!
julia-pushkina [17]

Answer:

B.

Step-by-step explanation:

First we must find the x and y intercepts for y = -2x - 4. The y-intercept is -4, since it is b in y = mx + b, but you can also find it by plugging in zero for x:

y = -2(0) - 4 = 0 -4=-4

The x-intercept is found by plugging in zero for y:

0=-2x-4

0+4=-2x-4+4

4=-2x

\frac{4}{-2}=\frac{-2x}{-2}

-2=x

The graph with an x-intercept of -2 and a y-intercept of -4 is C. Also, less than inequalities have the shading underneath the line, so we definitely know C is the answer.

4 0
3 years ago
A wildlife service wanted to estimate the number of alligators in a river so they tagged 90 alligators and released them back in
lilavasa [31]
You can solve this with a proportion. If you know that 23 tagged alligators were in a 200 alligator sample, there are 90 tagged alligators in the entire river. Written otherwise:

23/200 = 90/x    

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x = 782.608...

So the "best estimate" would be around 783 alligators. Hope that helps! If you liked this answer please rate it as brainliest!! thank you!!!
5 0
3 years ago
Can somebody help me with these 2 questions plz
Lelechka [254]

Answer:

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Step-by-step explanation:

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iragen [17]

Answer:

Mode: 11

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Step-by-step explanation:

mode is number that shows up the most

Arrange numbers in order :

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Answer:

f

Step-by-step explanation:

base

6 0
3 years ago
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