$7 {x}^(2) - 3 - x = 0$
by using the quadratic equation.

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Here the coefficients of this quadratic equation are {7, -1, -3}. Note that the given equation must be rewritten in standard form: 7x^2 - x - 3.

Then the discriminant, b^2 - 4ac, is (-1)^2 - 4(7)(-3), or 1 + 84, or 85. Because this discriminant is positive, the given quadratic has two real, unequal roots. These roots are:

-(-1) ± √85

x = ------------------

or:

1 ± √85

x = ------------------

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What is the inverse operation of a number squared?A
finding the square root
B
dancing a square dance
C
finding the cubed root
D
multiplying by 2

Answers

Finding the square root.

Finding the square root

The wings of a ruby-throated hummingbird beat an average of 52 times per second. About how many times will it's wings beat in one minute?

Answers

Answer:

3120

Step-by-step explanation:

Multiply 52 by 60 and it equals 3120

A scale drawing of Jack's living room is shown below:If each 2 cm on the scale drawing equals 10 feet, what are the actual dimensions of the room?

Answers

are there any options? like is it multiple choice or not?

sierra is supposed to practice flute for a total of 5 1/4 hours every week. this week, she practiced 15 minutes on sunday, 1 hour on monday, 30 minutes on tuesday, 45 minutes on wensday, 15 minutes on tursday, and 45 minutes on friday. how many hours must she practice on saturday to meet her required practice time for the week

Answers

5×60 minutes =300 minutes
300+15 minutes or 1/4hr
315 minutes each week

15+60+30+45+15+45=210 minutes

300-210= 90 minutes

2x−y=6:

Find the slope. (Write answer as a number, converting any fractions to decimals.)

Find the y-intercept. (Write answer as a number, converting any fractions to decimals.)