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Maslowich
3 years ago
13

Step 1 -3(3x+5)-6<6

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
6 0
Error is between steps 4 and 5. It should say:

Step 4: -9x < 27
Now divide by -9
Step 5: x > -3
Note that the inequality changes direction.
When you mean multiply or divide an inequality by a negative number, the inequality changes direction.

For example:
4 < 5
Multiply by -1:
-4 > -5

Another example:
-5 < 0
5 > 0
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6 0
3 years ago
50 POINTS FOR THIS AND BRAINLY IF YOU GET IT RIGHT
sashaice [31]

Answer:

  • p/(p+q)  and r/(r+s)

Step-by-step explanation:

<em>Refer to attached</em>

<u>Comparing sales by the ratio of sold to all or</u>

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<u>Applying to our table:</u>

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Correct answer option is the last one

7 0
3 years ago
Read 2 more answers
The function f(t) = 750t + 20,000 models the number of movie theaters in the United States t years after 1985. Use this equation
Alexandra [31]

Given:

The function models the number of movie theaters in the United States t years after 1985.

f(t)=750t+20,000

To find:

The year in which the United States will have 35,000 movie theaters.

Solution:

We have,

f(t)=750t+20,000

Putting f(t)=35000, we get

35,000=750t+20,000

35,000-20,000=750t

15,000=750t

Divide both sides by 750.

\dfrac{15,000}{750}=t

20=t

It means, United States will have 35,000 movie theaters 20 years after 1985.

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Therefore, United States will have 35,000 movie theaters is 2005.

8 0
3 years ago
Please help me !!!!!!!
erastova [34]

Answer:

C. Both (1,11) and (-1,-5)

Step-by-step explanation:

Ok so,

let's try to plug in the first ordered pair into the equation. It should look like this:

11 = 8+3

11=11      CORRECT

now let's try to plug in the second ordered pair. it should look like this:

-5 = -8+3

-5 = -5      CORRECT

hope this helps. have a good day!!

6 0
3 years ago
−x2 + x + 6 = 2x + 8 The equation is represented by the system shown here. Linear-Quadratic Equation This system intersects in p
elena55 [62]

Answer:

1) A

2) C

Step-by-step explanation:

6 0
3 years ago
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