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Rina8888 [55]
3 years ago
15

First step for solving x²+2x-11=4

Mathematics
2 answers:
Effectus [21]3 years ago
8 0
Subtract 4 from both sides
fenix001 [56]3 years ago
5 0

Answer:

subtract 4 on both side.

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Give me equations that will equal to 16.. it can also b solving for x
STatiana [176]
It is a very simple answer but it works!

3 0
3 years ago
a certain job can be done in 20 hours by 4 people. how many people are needed to do the same job in 10 hours?
maxonik [38]
If it takes 4 people to get a job done in 20 hours, then in 10 hours, it will take 2 people to complete the same job.
To find out how many people are needed to do this job in 10 hours, we can see that we got to 10 hours by dividing 20 by two so, to see how many people are needed to complete this same job in ten hours, we would just divide 4 people by 2 which is 2 people.
So, in conclusion, if it takes a certain job to be done in 20 hours by 4 people, then it would take 10 hours for that same job to be completed by 2 people.
Glad I could help!
7 0
3 years ago
You survey your class and record each students first name, last name, and age. You then make ordered pairs of (first name, age).
ExtremeBDS [4]

Answer: Yes

Step-by-step explanation:

It is a relation because each person will most likely have a different name and you can have plenty of the same outputs just as long as the input doesn't repeat at all.

5 0
3 years ago
PLS HELP ME 50 POINTS!!!!! I NEED AN ANSWER ASAP!!!!!!
Sholpan [36]

Answer:

They went up 16 levels.

Step-by-step explanation:

You can find that by finding the distance from -2 to 14.
To find the distance from two numbers, a and b, we can substitute both in the formula d = |b - a|, where d is the distance between them.

d = |14 - (-2)| \to |14 + 2|\to|16|\to16

4 0
1 year ago
Read 2 more answers
Which expression is equivalent to the expression below?
Annette [7]

Answer: B and D

Step-by-step explanation:

6 0
3 years ago
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