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NemiM [27]
3 years ago
6

Please Help! Show how to solve 8x^2+14x+5=0 by completing the square.

Mathematics
1 answer:
Kisachek [45]3 years ago
3 0
X=12                          cause i looked it up online
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2 2x+3 −9.2 x +1=0<br>please help​
elena-14-01-66 [18.8K]

Answer:

i think the answer is 2

Step-by-step explanation:

5 0
3 years ago
A ladder is leaning against a wall. The top of the ladder is 9ft above the ground. If the bottom of the ladder is moved 3ft fart
Mrac [35]
By the pythagorean theorem:

L^2=9^2+x^2

and we are told if:

L^2=(x+3)^2

L=x+3

L-3=x now using this in our first equation L^2=9^2+x^2 we get

L^2=9^2+(L-3)^2

L^2=81+L^2-6L+9

0=90-6L

6L=90

L=15 ft

4 0
3 years ago
It costs 480 to rent an apartment on the Gold Coast for a weekend. Last year it cost $400 how would you calculate the increase
Umnica [9.8K]
You could write a set of equations or use the interest formula, A(t)=P(1+r/n)^nt
where p equals the principal amount, r equals the rate/ percentage of interest, n equals the compounding periods and t equals time
3 0
4 years ago
Read 2 more answers
Give one real life example of each correlation: positive, negative, and no correlation.
mixer [17]
In a positive correlation, both variables increase together. An example of this is a company's profit's relationship with its sales. The greater the sales, the greater the profit.
A negative correlation is where one variable decreases with increase in the other. An example is the time taken to reach somewhere and the speed traveled at. The faster you move, the less the time.
No correlation means the two variables are not related. An example of this is as you get older, it does not mean you will get better grades.
7 0
3 years ago
Read 2 more answers
√49 +{5²+{8-5(7-2)+2}
madam [21]
It is either 17 or 151 i believe
6 0
4 years ago
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