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Serhud [2]
3 years ago
8

Is this correct or no?

Mathematics
2 answers:
Vikentia [17]3 years ago
8 0

Answer: The steps are not correct in several places. The correct result is "x > 2"

Explanation:

First row: they multiply both sides by 2, but on the right hand side the multiplication should act on the entire term "(3-2x)" so 2(3-2x)=6-4x

Second row should be now: 3x-8 > 6-4x  | now adding 8 to both sides:

Third row should look like this : 3x > 14 - 4x

Fourth row: we want to bring the term 4x to the left so it should be something like this:

3x > 14 - 4x | add "4x" to both sides

which results in

3x + 4x > 14 - 4x + 4x

7 x > 14    | divide both sides by 7

x > 14/7

x > 2

Let me know if you have questions

Tanya [424]3 years ago
4 0
Yes.??? dont really Know sorry
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Can somebody help me with this?
Igoryamba
C. 35, it would otherwise be seen as 35/1
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3 0
3 years ago
A six-sided number cube is rolled twice.
Marina CMI [18]

Answer: A and D

Step-by-step explanation:

Dependent events mean that one event depends on the outcome of the previous event.

A) If the first roll is a 3, and we want to sum more than 7 with the second roll, then the possible outcomes 5 and 6. Now if the first roll is 4, then the possible outcomes for the second event will be 4, 5 and 6. So you can see how the outcome space of the second event changes depending on the first event, so the events are dependent.

B) Here we do not have dependence, each event only depends on it's own outcome.

C) Again, both events only depend on it's own outcome, so the events are not dependent.

D) This is similar as the case for A, these events are dependent because is not the same if the outcome of the first event is 3, than if the outcome is 5 (the outcome needed for the second roll changes depending on the outcome of the first event)

E) Same as B and C, the events are independent.

4 0
3 years ago
What is the equation in point slope form of a line that passes through the point (–8, 2) and has a slope of 1/2?
Kamila [148]
Point slope equation: 
y-y1=m(x-x1) 
m=slope

So we simply plug in our given information: 
x1=-8 
y1=2
m=1/2

y-2=1/2(x-(-8)  

2 minus signs next to each other make a positive 

Final answer: 
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6 0
3 years ago
Find an expression for the nth term ( tn ) in each of the following sequences:
Alexandra [31]

Answer:

The expression for the nth term is Tn = 8n -7

Step-by-step explanation:

Here, we are to find an expression for the nth term of the sequence.

Mathematically, the nth term of an arithmetic sequence can be expressed as;

Tn = a + (n-1)d

for T2, the equation is

a + d = 9

for T4, the equation is

a + 3d = 25

we can substitute the equation of T2 into T4 but we first need to rewrite T4

a + d + 2d = 25

9 + 2d = 25

2d = 25 -9

2d = 16

d = 16/2

d = 8

now since a + d = 9

a = 9-d

a = 9-8

a = 1

So the expression for the nth term would be;

1 + (n-1)8

1 + 8n - 8

= 8n -8+1

= 8n -7

6 0
3 years ago
If there is an open circle on a number on a number line, is that number included in the inequality
natta225 [31]
The answer is NO open circle is not included in an inequality. The other person answered it incorrectly
8 0
3 years ago
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