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2 years ago

7

Olution set for 8( 3x - 2)2(7x + 12)?

1 answer:

In-s [12.5K]2 years ago

6 0

Answer: x ≤ 4
___________

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Zinaida [17]

Answer:

Rational numbers

Step-by-step explanation:

All integers are also rational numbers because they can be expressed as a fraction, and all rational number are also real numbers

3 0

2 years ago

Read 2 more answers

Help answering it this question

strojnjashka [21]

Multiplying the matrices A and B would yield the following matrix:

| 1 0 |
| 0 1 |

A simple method would be using a calculator to solve for this. You can input the values of one matrix, and then the values of another matrix, then multiply them and it would yield the above result. As a rule of thumb, you make sure to only multiply similar matrices.

3 0

2 years ago

Montana is known for having very chilly winters. One night, the temperature was falling by 2 degrees Fahrenheit each hour. At su

Kipish [7]

Answer:

7 hours

Step-by-step explanation:

We are given that

At sunset, the temperature=-5 degrees Fahrenheit

Each hour, temperature falling=2degrees Fahrenheit

We have to find time taken to reach the temperature -19° F.

Let x be the time time taken to reach the temperature -19° F

According to question

$-5+x(-2)=-19$

Where we taking 2 negative because temperature decreases.

$-5-2x=-19$

$-5+19=2x$

$14=2x$

$x=\frac{14}{2}$

$x=7$

Hence, it will take 7 hours for the temperature to reach -19° F.

3 0

2 years ago

On a coordinate plane, a dashed straight line has a positive slope and goes through (negative 3, 1) and (0, 3). Everything to th

miss Akunina [59]

Answer:

$y> \frac{2}{3}x+3$

Step-by-step explanation:

we have the points

(-3,1) and (0,3)

step 1

Find the slope m of the line

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{3-1}{0+3}$

$m=\frac{2}{3}$

step 2

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$m=\frac{2}{3}$

$b=3$ ----> the y-intercept is the point (0,3)

substitute the values

$y=\frac{2}{3}x+3$

step 3

Find the equation of the inequality

we know that

The slope is positive

Everything to the left of the line is shaded ( The inequality is of the form y > ax+b or y ≥ ax+b)

Is a dashed line (The inequality is of the form y > ax+ b or y < ax+b)

therefore

The equation of the inequality is of the form y > ax+b

The inequality is

$y> \frac{2}{3}x+3$

see the attached figure to better understand the problem

4 0

2 years ago

Read 2 more answers

+95 points PLEASE PLEASE PLEASE`...if you have comments or questions plz put them in the comments. I really need help and I'll m

seropon [69]

Answer:

Its too blurry, I cant even read it sorry :(

Step-by-step explanation:

7 0

2 years ago