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guapka [62]
3 years ago
10

What is the first step in solving x^2 +14x-43=3 completing the square?

Mathematics
2 answers:
saveliy_v [14]3 years ago
5 0

Answer:

Step-1 : Multiply the coefficient of the first term by the constant

Step-by-step explanation:

laiz [17]3 years ago
5 0

Answer:

step 1 = Subtract 3 from both sides

step 2=  Use quadratic formula with a=1, b=14, c=-46

Answer to the equation = x=−7+√95 or x=−7−√95

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How do you do this question?
marta [7]

Answer:

-0.391 < x < 0.391

Step-by-step explanation:

The Maclaurin series for cosine is:

cos(x) = ∑ (-1)ⁿ x²ⁿ / (2n)!

So the next term would be -x⁶/6!.  When the absolute value of this is less than the error:

│-x⁶/6!│< 0.000005

x⁶ / 720 < 0.000005

x⁶ < 0.0036

-0.391 < x < 0.391

3 0
3 years ago
Svetlana hair is 4 centimeters long. Her hair grows 1.5 cm per month. Svetlana wants her hair to grow so at least 7 cm long. Wri
Andrei [34K]

Let "per month" = m

The inequality is

1.5m + 4 ≥ 7

+ 4: Her hair right now is 4 cm long

1.5m: Her hair grows 1.5 per month (m)

≥ 7: She wants it to be at least 7 or more.

1.5m + 4 ≥ 7 is your answer

hope this helps

3 0
3 years ago
In a random group of 23 people, what is the chance in percent that two people have the same birthday ?
yawa3891 [41]

Answer: 50%

Step-by-step explanation:

Don't believe it's true? You can test it and see mathematical probability in action! The birthday paradox, also known as the birthday problem, states that in a random group of 23 people, there is about a 50 percent chance that two people have the same birthday.

3 0
3 years ago
Read 2 more answers
PLEASE ANSWER QUICKLY
AleksAgata [21]
It’s D , -16.2
you replace X with -142 and get -0.2 (142 + 223)
7 0
3 years ago
ASAP HELPP
Nat2105 [25]

Answer:

it is B

explanation: I did it and I got it right

4 0
3 years ago
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