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Alex787 [66]
3 years ago
8

Solve for x.show your work please - 1/2x < -12

Mathematics
2 answers:
Nastasia [14]3 years ago
6 0

Greetings.

The answer is x > 24.

Explanation:

Solving Inequality is almost the same as equation. However, you have to know one thing about solving an Inequality.

<em>That is </em><em>whenever you move the negative coefficient of the variable, you have to swap the sign of Inequality.</em>

-\frac{1}{2}x

Reminder that

-\frac{1}{2}x=-\frac{x}{2}

We use negative x above 2 instead (Easier in solving)

-\frac{x}{2}

Then we move 2 to divide -12.

-x

Because the coefficient for x is in negative. We move -1 to divide -24 as we get 24 (Because negative divide negative = positive)

But remember that "<em>whenever you move the negative coefficient of the variable, you have to swap the sign of Inequality."</em>

So we change from < to > instead.

x>24

Ratling [72]3 years ago
3 0

Answer:

x <24

Step-by-step explanation:

first cancel negative signs

then transfer 2 to right side

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Select all of the situations which can be represented by the expression 25.75x + 10.
Kobotan [32]

Answer:

The situation that says Sasha sells a scarf for $10.00 and xjackets for 25.75 each

Step-by-step explanation:

We know thatt she is only selling one scarf for $10.00 and we know we are multiplying X jackets times 25.75

so 25.75x + 10

6 0
2 years ago
Read 2 more answers
John received $300 for his birthday he buys 4 DVDs at $12.95 each. Sales tax is 6.5% how much birthday money does he have left
joja [24]

Answer: $244.83


Step-by-step explanation:

First find the original amount spent on dvds:

    $12.95 * 4 = $51.80

Then, the sales tax (6.5% is converted to decimal form by dividing by 100):

    $51.80 * 0.065 = $3.367

Add the sales tax to the original amount to get the total amount spent:

    $51.80 + $3.367 = $55.167

Round to the nearest hundredth:

    $55.167 -> $55.17

Subtract the total amount from the money received for his birthday:

    $300 - $55.17 = $244.83

4 0
3 years ago
In one day, the stock price for Warbucks Coffee rose from $50 to $57 per share. By what percent did this stock price rise?
egoroff_w [7]

Answer:

14%

Step-by-step explanation:

1. The formula to find percent change is \frac{(V_2-V_1)}{|V_1|} * 100. Now, all we have to do is plug in the values to their corresponding variable.

2. (Solving)

  • \frac{(57-50)}{|50|} * 100
  • \frac{7}{50} *100
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7 0
2 years ago
Could someone answer these 3 for me?
KengaRu [80]

Answer:

x=4.77

Angle 3=98.32 degrees

Angle 6= 81.68 degrees

Step-by-step explanation:

(Assuming these are parallel lines), Angle 3 and angle 5 are equal because they are alternate Angles. Therefore we can write the following equation to solves for x:

16x+22=3x+84 (angle 3=angle5)

Which we can now solve:

16x +22 - 22 - 3x=3x-3x+84-22

13x=62

13x/13=62/13

x=4.77 (2dp)

We can then use this x to calculate angle 3:

16(4.77)+22

76.33+22=98.32 degrees

Finally,

Angle 6 and angle 3 are interior angles, so they add up to 180 degrees.

So to find angle 6,we can just subtract angle 3 from 180:

180-98.32=81.68 degrees.

Hope this helped!

6 0
3 years ago
If f(x) = -5-4 and g(x) = -3 -2 find (f-g)(x)
asambeis [7]

<u>Answer:</u>

The correct answer option is D. -5^x+3x-2

<u>Step-by-step-explanation:</u>

We are given the following two functions:

f(x)=-5^x-4

and

g(x)= -3x-2

We are to find (f-g)(x) so we will subtract the function g from function f, arrange the like terms together and combine them like shown below to get:

(f-g)(x) =(-5^x-4)-(-3x-2)

(f-g)(x)=-5^x-4+3x+2

(f-g)(x)=-5^x+3x-2

Therefore, (f-g)(x) is equal to -5^x+3x-2 so the correct answer option is D. -5^x+3x-2.

5 0
3 years ago
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