Mathematics
Mathematics, 29.08.2019 04:30, luisdelacruzoct23


this is josh's solution for the equation: x^2-6x-7=0
x^2-6x-7=0
x^2-6x=7
x^2-6x+9=7+9
(x-3)^2=16
x-3=16
x=19
x-3=-16
x=-13
is josh's solution correct? explain.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, bige556
Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4
Answers: 3
image
Mathematics, 21.06.2019 15:00, k3thagoat
When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?
Answers: 1
image
Mathematics, 21.06.2019 19:30, vtrvfrfvrvfvnkjrf
What is the slope of the line shown below?
Answers: 2
image
Mathematics, 21.06.2019 21:30, ashleyprescot05
Find the missing dimension! need asap! tiny square is a =3025 in ²
Answers: 1
Do you know the correct answer?

this is josh's solution for the equation: x^2-6x-7=0
x^2-6x-7=0
x^2-6x=7
x...

Questions in other subjects:

Konu
Health, 14.05.2021 23:10
Konu
Biology, 14.05.2021 23:10