3 years ago

What are the solutions of x^2-4x-9=29

Mathematics

2 answers:

sattari [20]3 years ago

4 0

Answer: x =(4-√168)/2=2-√ 42 = -4.481

x =(4+√168)/2=2+√ 42 = 8.481

Step-by-step explanation:

Liono4ka [1.6K]3 years ago

3 0

Answer:

x = -4.48, 8.48 to the nearest hundredth.

Step-by-step explanation:

x^2 - 4x - 9 = 29

Completing the square:

(x - 2)^2 - 4 - 9 = 29

(x - 2)^2 = 29 + 13 = 42

x - 2 = +/-√42

x = 2 +/-√42

x = 8.48, -4.48 .

You might be interested in

Answer the statistical measures and create a box and whiskers plot for the following set of data.

suter [353]

Answer:

Minimum = 5

Lower Quartile (Q1) = 6

Median = 9

Upper Quartile (Q3) = 12

Maximum = 15

4 0

3 years ago

Simplify expression x^2 - xy + 2x/ 2x, step by step please.

Papessa [141]

Answer:

x^2 - xy + 1

Step-by-step explanation:

x^2 - xy + 2x/2x

2x/2x = 1

x^2 - xy + 1

This is the furthest we can simplify this expression with the given information.

4 0

2 years ago

A person walked x feet and half that length again

hjlf

Answer:

3/2x

Step-by-step explanation:

x feet and half x = x+1/2x or 3/2x

Hope this helps plz hit the crown :D

4 0

2 years ago

The slope of the line containing the points (-5,3) and (-2,1) is<br> A.-3/2<br> B.-2/3<br> C.2/3

ad-work [718]

The correct answer is B. -2/3 that is the slope

5 0

3 years ago

A car is driving at a speed of 60mi/h. What is the speed of the car in feet per minute

swat32

There are 5820 ft per mile

so the answer is 5820ft/min

Hope this helps!

6 0

3 years ago

Read 2 more answers