7x² = 9 + x Subtract x from both sides
7x² - x = 9 Subtract 9 from both sides
7x² - x - 9 = 0 Use the Quadratic Formula
a = 7 , b = -1 , c = -9
x =

Plug in the a, b, and c values
x =

Cancel out the double negative
x =

Square -1
x =

Multiply 7 and -9
x =

Multiply -4 and -63
x =

Multiply 2 and 7
x =

Add 1 and 252
x =

Split up the

x =

The approximate square root of 253 is <span>15.905973.
</span>x ≈

Add and subtract
x ≈

Divide
x ≈

Round to the nearest hundredth
x ≈

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Answer:
the ski original price is 641
Step-by-step explanation:
Answer:
a) Mean = 27.65
Median = 27.645
b) Relative Frequency = 33.33%
Step-by-step explanation:
We are given the following data set:
25.78, 21.06, 36.54, 29.51, 18.96, 34.05
a) Mean and Median


Sorted data: 18.96, 21.06, 25.78, 29.51, 34.05, 36.54

b) BMI above 30 is considered obese
Frequency of obese in the given sample = 2
Relative Frequency =

Answer:
y minus 3 = 2x plus 1
Step-by-step explanation: