All categories

3 years ago

Plz help! I will make you the brainliest! Thanks!

Mathematics

2 answers:

NeX [460]3 years ago

6 0

-5x < 10

Divide the two sides by -1.
If an inequality form is divided by negative number, the sign will change.
-5x < 10
-5x/-1 > 10/-1
5x > -10

Then divide the two sides by 5
5x/5 > -10/5
x > -2

The answer is -2

Andrews [41]3 years ago

4 0

So to start you will need to divide by -5 then -5 divided by -5 cancelle

You might be interested in

Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution.

solniwko [45]

For this case we have to:

Let $u = x + 1$

So:

$u ^ 2-4u + 2 = 0$

We have the solution will be given by:

$u = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}$

Where:

$a = 1\\b = -4\\c = 2$

Substituting:

$u = \frac {- (- 4) \pm \sqrt {(- 4) ^ 2-4 (1) (2)}} {2 (1)}\\u = \frac {4 \pm \sqrt {16-8}} {2}\\u = \frac {4 \pm \sqrt {8}} {2}\\u = \frac {4 \pm \sqrt {2 ^ 2 * 2}} {2}\\u = \frac {4 \pm2 \sqrt {2}} {2}$

The solutions are:

$u_ {1} = \frac {4 + 2 \sqrt {2}} {2} = 2 + \sqrt {2}\\u_ {2} = \frac {4-2 \sqrt {2}} {2} = 2- \sqrt {2}$

Returning the change:

$2+ \sqrt {2} = x_ {1} +1\\x_ {1} = 1 + \sqrt {2}\\2- \sqrt {2} = x_ {2} +1\\x_ {2} = 1- \sqrt {2}$

Answer:

$x_ {1} = 1 + \sqrt {2}\\x_ {2} = 1- \sqrt {2}$

3 0

3 years ago

Read 2 more answers

A polynomial function, f(x), with rational coefficients has roots of –2 and square root of 3. The irrational conjugates theorem

kap26 [50]

Answer:

Step-by-step explanation:

option b

8 0

3 years ago

Read 2 more answers

PLEASE HELP !!!!!!!!!! Jonas used linear combination to solve the system of equations shown. He did so by multiplying the first

OverLord2011 [107]

This question is worded slightly strangely but I believe I understand it.
To eliminate x, multiply the second equation by 8, so that it becomes 4x + .8y= 96
Then you can subtract 4x on the top by 4x on the bottom to eliminate it.

7 0

3 years ago

HELPPP FIND THE AREA !!

Rashid [163]

Answer:

To find the area, you have to multiply its height by its width.

Step-by-step explanation:

7 0

3 years ago

The drawing shows a concrete walkway around a pool. what is the total area of the concrete?

Verizon [17]

25 x 13 = 325

20x 8 = 160

325-160 = 165 square feet

answer is A

3 0

3 years ago

Read 2 more answers