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timama [110]
3 years ago
10

Solve the equation. Check for extraneous solutions. 2|7-7|=2x+4

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0
You do 2 times the absolute value of 7-7=0 get the answer and do the other side of the equal sign and see if you get the same answer 
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Help pls and thank youuuu to whoever helps me !!!!!!
Umnica [9.8K]

Answer:

the first one

Step-by-step explanation:

Not to sure if it's right but hope it helps u ;)

8 0
2 years ago
What is the change in y between the points (1, 4) and (6, -19)? -15 -23 5
Ksivusya [100]

Answer: -23

Step-by-step explanation:

The change in y value can be determined by subtracting the first value from the second.

-19 - 4 = -23

Or if you think about it logically you are going from a positive number to a negative so the total distance will be greater than both of your values.

5 0
3 years ago
Ellen saved $2000 and she spent 10% of it to buy a bike. Kim saved 8% more than that of Ellen's left savings. If Lisa saved 60%
enyata [817]

Answer: Lis saved $1166.4 .

Step-by-step explanation:

Given , Ellen saved $2000 and she spent 10% of it to buy a bike.

Then, Ellen's left saving = saved amount - 10% of  (saved amount)

= $2000 - 0.10 x $2000 <em>[We convert perecntage to decimal by diving it by 100]</em>

= $2000 - $200

= $1800

So, Ellen's left saving= $1800

Also, Kim saved 8% more than that of Ellen's left savings.

Kim's Saving = Ellen's left saving + 8% of (Ellen's left saving)

= $1800  + (0.08) x ($1800) <em>[We convert perecntage to decimal by diving it by 100]</em>

= $1800 +  $144

i.e. Kim's Saving= $1944

If Lisa saved 60% as much as Kim, then Lisa's saving  = 60% of (Kim's Saving)

= (0.60) x ($1944) <em>[We convert perecntage to decimal by diving it by 100]</em>

i.e. Lisa's saving = $1166.4

4 0
2 years ago
A training program is used by a corporation to direct hirees to appropriate jobs. The program consists of two steps.
AlekseyPX
The probability is the probality of being designated a a management trainee (i.e. 30%)  * the probability of not be appointed to a management posittion (i.e. 25%, which comes from 20% to be assigned to nonmanagerial position + 5% of being fired).

Result: 30% * 25% = 7.5%.

Answer: 7.5%.
4 0
2 years ago
Evaluate y = 2x + 1 when x= -1
Stolb23 [73]
Y = 2x + 1
y = 2(-1) + 1
y= -2 + 1
y= -1
5 0
2 years ago
Read 2 more answers
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