3 years ago

Solve by completing the square: x^2-10x+8=0

Mathematics

2 answers:

Sidana [21]3 years ago

3 0

$x^2-10x+8=0\\\\x^2-10x+25-17=0\\\\(x-5)^2=17\\\\x-5=\sqrt{17} \vee x-5=-\sqrt{17}\\\\x=5+\sqrt{17} \vee x=5-\sqrt{17}$

garri49 [273]3 years ago

3 0

Answer:

(x – 5)2 = 17

Step-by-step explanation:

edg

You might be interested in

Write a phythagoras triplet whose one is no. 17

hjlf

So the Pythagorean triplet is 8,15and 17

3 0

4 years ago

Read 2 more answers

What is the measure of <2?

tensa zangetsu [6.8K]

Answer:

step 1. <2 + 40° = <1

step 2. <1 + 72° = 180°

step 3. <1 = 108°

step 4. <2 = 108° - 40° = 68°.

4 0

3 years ago

Is 4 r square the answer...pls I need to know thank you :)

zloy xaker [14]

Step-by-step explanation:

$\pi {r}^{2} \\$

3 0

3 years ago

Dan invests £800 into his bank account.

Lisa [10]

Answer:

£972.41

Step-by-step explanation:

$A=P(1+\frac{r}{100})^n$

A = Amount after n years = ?

P = Principal amount = £800

r = interest rate = 5%

n = time for which the money was invested = 4 years

∴ A = 800 (1 + 5/100)⁴

= £972.41

Hope this helps!

6 0

2 years ago

What kind of quadrilateral is the shape shown? the matching arrow labels indicate the two opposite sides are parallel

Klio2033 [76]

Answer

a and d you would have to search if a square

is a rectangle

4 0

3 years ago

Read 2 more answers