Answer:
m=13
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
For factoring, if we can ever right a factor as
and another as
with a MINUS in between them, then the technique of "difference in two squares" is perfect!
<em><u>From the problem shown, we can actually do this (shown below):</u></em>
![x^2-25\\=(x)^2-(5)^2](https://tex.z-dn.net/?f=x%5E2-25%5C%5C%3D%28x%29%5E2-%285%29%5E2)
The rule is ![a^2-b^2=(a+b)(a-b)](https://tex.z-dn.net/?f=a%5E2-b%5E2%3D%28a%2Bb%29%28a-b%29)
<em>Thus the problem reduces to:</em>
![(x)^2-(5)^2\\=(x+5)(x-5)](https://tex.z-dn.net/?f=%28x%29%5E2-%285%29%5E2%5C%5C%3D%28x%2B5%29%28x-5%29)
We have use "difference of two squares" here, hence answer choice A is right.
T Tardy– Student tardy for less than 30 minute with no valid excuse. W See Unexcused Absences (above). Z Excused Tardy– Student tardy to class but with an acceptable explanation, i.e. doctor/dentist.
Answer:
Z must equal 22° because it will add up to 180° it is an acute scalene triangle
Answer:
<em>The solution of the given equation is x = 4</em>
Step-by-step explanation:
Given equation 9 x² - 29 x - 28 =0
The Factors of 252 is 3 6 × 7
now 9 x² - 36 x + 7 x - 28 =0
taking common terms , we get
9 x ( x -4) + 7 ( x - 4) = 0
(9 x + 7) (x - 4) = 0
9 x + 7 = 0 and x - 4 = 0
and x =4
is not satisfied of the given equation
<em>The solution of the given equation is x = 4</em>