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Korolek [52]
3 years ago
12

Please answer quickly, thank you for your help

Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

C: x > -6 or x < –9

Step-by-step explanation:

x + 9 < 0 or 2x > –12

For x + 9 < 0:

Isolate x by subtracting 9 from both sides of the inequality:

x + 9 – 9 < 0 – 9

x + 0 < – 9

x < – 9

For 2x > – 12:

Isolate x by dividing both sides of the inequality by 2:

\frac{2x}{2} > \frac{-12}{2}

x > – 6

Therefore, the solution is:

x < – 9 or x > – 6

Interval notation: [(– ∞, –9) ∪ (–6, ∞)]

The answer is C: x > -6 or x < –9

RoseWind [281]3 years ago
6 0

Answer:

-6<x<-9

Step-by-step explanation:

if x+9<0 and 2x>-12

x<-9

x>-6

X is smaller than -9 but greater than -6.

The solution is -6<x<-9

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Need help due in 10 mins
Marina CMI [18]

Answer:

A) The amount of money deposited monthly

Step-by-step explanation:

y = 35x (slope) (amount deposited each month)+ 250 (y-intercept) (starting amount)

4 0
2 years ago
160 prime factors in ascending order
igor_vitrenko [27]

I'd arbitrarily begin by writing the factors 10 and 16.  These, in turn, factor to 2 and 5.  That's all we need to do here to form the product 160, using 5 once and 2 several times:

160 = 5 * 2^5

4 0
4 years ago
9. What is the solution to<br> 4x - y = 8,<br> 6x + y = 2
valentina_108 [34]

Answer:

x = 1

y = -4

Step-by-step explanation:

You can use 2 methods to solve this, substitution or elimination.

Elimination:

You want to try and get rid of one variable in the pair of equations.

We add them together since y and -y cancel each other out when added.

Now, we have a much simpler equation.

   4x - y = 8

+  6x + y = 2

------------------

  10x  = 10

      x =  1

Now, you can just plug it back in to one of the equations to get y.

(4 x 1) - y = 8

4 - y = 8

y = -4

Substitution:

You can also try and change the equation so that there is only one variable by setting the other equation equal to a variable.

This one is easier to do:

6x + y = 2

y = -6x + 2

Now, plug it into the first equation replacing y, since they are equal, and solve:

4x - y = 8

4x - (-6x + 2) = 8

4x + 6x - 2 = 8

10x = 10

x = 1

Now, you can just plug it back in to one of the equations to get y.

6x + y = 2

(6 x 1) + y = 2

6 + y = 2

y = -4

:)

5 0
2 years ago
Solve for x. 0=2x^2 - 8 x - 10
garri49 [273]

Answer:

its 1 or -5

Step-by-step explanation:

8 0
3 years ago
PLS HELP I NEED HELP ASAP
monitta

Answer:

960 cubic centimeters

Step-by-step explanation:

Base area is area of triangle: b*h*1/2

= 12*8*1/2 = 48

Base area times height is 48*20 = 960

6 0
3 years ago
Read 2 more answers
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