Answer:
C
Step-by-step explanation:
-27 -(-38)
when you subtract a negative it turns into addition
-27+38
Hey there :)
27x² is what we are trying to factorise
When factorising, we do not add but we multiply
Jude factored : ( 20x )( 7x ) → This is wrong, since 20x × 7x = 140x²
Yasmin factored : ( 9 )( 3x² ) → This is right indeed as 9 × 3x² = 27x²
Yasmin is right
Answer:
<h2>L.A. = 384 cm²</h2><h2>S.A. = 640 cm²</h2>
Step-by-step explanation:
We have four congruent triangles with base b = 16cm and height h = 12cm.
The formula of an area of a triangle:
Substitute:
The latearal area:
For the surface area we need the area of a base.
The base is a square with side a = 16cm.
The area of the base:
The surface area:
Answer:
math is hard for me but yeah a good place to find answers is here or ggl maybe search on gg and the at the end put answer key i do that a lot hope my
Step-by-step explanation:
explanation helps
1. -5y - 9 = -y + 1
-4y = 10
y = -2,5
answer = B