Answer:
-20
Step-by-step explanation:
7m − 4 − 9m − 36 = 0
-2m - 4 - 36 = 0
-2m - 40 = 0
-2m = 40
m = -20
Answer:
True
Step-by-step explanation:
<h3>Answer to Question 1:</h3>
AB= 24cm
BC = 7cm
<B = 90°
AC = ?
<h3>Using Pythagoras theorem :-</h3>
AC^2 = AB^2 + BC ^ 2
AC^2 = 24^2 + 7^2
AC^2 = 576 + 49
AC^2 = √625
AC = 25
<h3>Answer to Question 2 :-</h3>
sin A = 3/4
CosA = ?
TanA = ?
<h3>SinA = Opp. side/Hypotenuse</h3><h3> = 3/4</h3>
(Construct a triangle right angled at B with one side BC of 3cm and hypotenuse AC of 4cm.)
<h3>Using Pythagoras theorem :-</h3>
AC^2 = AB^2 + BC ^ 2
4² = AB² + 3²
16 = AB + 9
AB = √7cm
<h3>CosA = Adjacent side/Hypotenuse</h3>
= AB/AC
= √7/4
<h3>TanA= Opp. side/Adjacent side</h3>
=BC/AB
= 3/√7
Answer:
2x^3-23y^2+72-128
Step-by-step explanation:
its like when you just do two
do the first 2 first
(y-8)(y-8)
this is (y^2 -8y+y^2+16) simplify (2x^2-7y+16)
then add the other bracket
(2x^2-7y+16) (y-8)
2x^3-16x^2-7y^2+56y+16y-128 simplify
Answer:
Step-by-step explanation:
Any time you multiply 2 or more numbers together, the product (the answer you get when you multiply) will ALWAYS be greater than any of the numbers you multiply out to get that product. So A is your choice.
