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4 years ago

3(x-2)>-3 anyone know the answer

Mathematics

2 answers:

lord [1]4 years ago

5 0

X>1 all you have to do is isolate the variable

anygoal [31]4 years ago

3 0

Divide both sides by 3 and we get
x - 2 > -1
Thus, from adding 2 to both sides,
we get x > 1

Solving inequalities is similar to that of equalities.
Some differences occurs when you multiply with a negative or take negative exponents.
e.g. 5 < 9 ---> -5 > -9

e.g. 5 < 7 ---> 1/5 > 1/7

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3x + 7y = 21 –3x – 7y = 42<br> Solve the system of equations?

likoan [24]

9514 1404 393

Answer:

no solution

Step-by-step explanation:

The equations describe parallel lines. There are no values of x and y that will satisfy both equations.

In standard form, the two equations are ...

3x +7y = 21

3x +7y = -42 . . . . . with positive leading coefficient

If (x, y) values satisfy the first equation, they cannot satisfy the second equation, and vice versa.

8 0

3 years ago

Can someone please help me with this question

zlopas [31]

Answer:

15 kilometers

Step-by-step explanation:

So we know:

For 4 days she runs 1500 meters each day.

For 3 days she runs 3 kilometers each day.

First off, lets convert 1500 meters into kilometers.

There are 1000 meters in a kilometer, so pluggin in 1500 meters:

1500/1000 = 1.5

So for 4 days she runs 1.5 kilometers each day.

Now, to find the total kilometers, we must find multiply the 1.5 kilometers by the 4 days, the 3 kilometers by the 3 days, then add those two together.

So lets do this:

1.5*4 = 6

So she ran 6 kilometers in the first 4 days.

Next we have:

3*3 = 9

So she ran 9 kilometers in the last 3 days.

Now finally add them together:

6 + 9 = 15

So she ran a total of 15 kilometers.

Hope this helps!

7 0

3 years ago

A snack stand sold hot dogs and chips at a recent game. The hot dogs cost $2.50 and the snacks cost $0.75. After the game, they

zalisa [80]

Answer:

this is correct on edge

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Solve the equation 3y + xy = 23 for<br> the variable y.

mixas84 [53]

y = 23/(3 + x)

Step-by-step explanation:

$\begin{aligned}\rm 3y + xy&= 23\\\rm y(3 + x)&= 23\\\bf y&=\bf\frac{23}{3+x}\end{aligned}$

4 0

3 years ago

---

iragen [17]

Step-by-step explanation:

1233236nd 6I 737are 38485

6 0

3 years ago