Grouping is when you have to terms that are the same inside the parenthesis and a different or same number outside the parenthesis and then the one inside the parenthesis u are going to group them not combined them and write them once and the numbers inside the parenthesis group them together by adding them and put parenthesis between them
Ex
5(4x+1)10(4x+1)
(5+10)(4x+1)
Answer:
Circle B area = 49π square units
Step-by-step explanation:
Circle A radius =√25 = 5 units
(1.2)(5) = 7 = radius circle B
Circle B area = 7²π = 49π square units
Answer: Total Surface Area
Step-by-step explanation:
Hi, to calculate the amount of cardboard needed to create a cereal box we have to calculate the total surface area.
The volume is used to calculate the amount of cereal that the box can contain, and the lateral surface area will not include all the cardboard needed for the complete box.
Feel free to ask for more if needed or if you did not understand something.
Answer:
A person standing on the bank of the river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60
∘
.When he was 40m away from the bank he finds that the angle of elevation to be 30
∘
.Find
(i) the height of the tree.
(ii)the width of the river,correct to 2d.p
The closest would be -7/10 or -1/2 because -3/5 is -.6 and the nearest fractions to -.6 is -7/10 and -1/2.
