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asambeis [7]
4 years ago
12

Solve the inequality please .. if you can show your work i dont understand it

Mathematics
1 answer:
Sauron [17]4 years ago
4 0

Answer:

X ≥ 3

Step-by-step explanation:

First you simplify, as if the ≤ is an = (just don't multiply with a negative number)

27 = 7X + 6

27 - 6 = 7X

21 = 7X

3 = X

Then you put the ≤ back in

3 ≤ X

and put the X up front. The ≤ then swaps into a ≥

Finally, you can do a test with X = 2 (should be false) and X=4 (should be true), to check wether you made any mistakes.

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<img src="https://tex.z-dn.net/?f=3%20-%20%20%5Cfrac%7Bx%7D%7B2%7D%20%20%3C%203%20" id="TexFormula1" title="3 - \frac{x}{2} &l
Sergio [31]
The first step for solving this is to cancel equal terms on both sides of the inequality.
- \frac{x}{2} < 0
Now multiply both sides of the inequality by -2 and flip the inequality sign.
-2 × (- \frac{x}{2}) > -2 × 0
Remember that multiplying two negatives together always equals a positive,, so the expression changes to the following:
2 × \frac{x}{2} > -2 × 0
Reduce the numbers with 2.
x > -2 × 0
Any expression multiplied by 0 equals 0,, so the correct answer to your question will be:
x > 0
Let me know if you have any further questions.
:)
8 0
4 years ago
Six friends each use a $2-off coupon to buy themselves a movie ticket. They spend a total of $42. What is the price of one movie
andrey2020 [161]

Answer:

$9

Step-by-step explanation:

1.) First, divide 42 by 6 since there are six people and the total is $42.

42/6 = 7

2.) Now, add $2 to 7 since 7  was the price of the movie ticket AFTER the $2  were taken off of it

x = 7+2x=9

4.) So, one movie ticket (x) = $9

4 0
4 years ago
Answer this fast please!!!!!!!!!!b
RoseWind [281]

Answer:

20

Step-by-step explanation:

reasoning; you can see that all three of them form a 180 angle so you add 125+35 which is 160 then 180- 160 which is 20 that is the answer

hope it helps!

pls give brainliest

6 0
3 years ago
A rectangles width is one-fourth of its length . its area is 9 square units
Paha777 [63]

Answer:

Length = 6

Width = 3/2

Step-by-step explanation:

You can choose to go about this question in lots of different ways, but this is how i did it. I drew a diagram of the rectangle and labeled it: the height/length as x and the width as x/4 (they told us the width is a quarter of the length). They also told us that the area is 9 square units.

We know that length x width = area

So: length x width = 9

I'm gonna bring in the variables i used in the diagram, so:

x x \frac{x}{4} = 9

Keep solving:

\frac{x^{2} }{4}= 9

Times both sides by 4:

x^{2} = 36

Square root both sides for x:

<em>* remember that when you square root, its possible to have a positive or negative version of the value</em>

x = ±6

Since its impossible to have a negative length, we can say that x = 6.

X was just the variable we gave to the length of the rectangle, so now we know the length is 6. If you needed to find width as well, you can do 6/4, which simplifies to 3/2.

To double-check

- 6 x 3/2 should equal 9, since length x width = area

which it is, so we're correct!

Hope that helped : )

4 0
4 years ago
A clothing store has the sign shown in the shop window advertising $3 off purchases. Penny sees the sign and wants to buy 3 shir
Drupady [299]

Answer:

Shirts are 12-3=$9 after the discount, and jeans are 19-3=$16.

3*9+2*16=27+32=$59.

7 0
2 years ago
Read 2 more answers
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