Answer:
9 square units
Step-by-step explanation:
Area of a square = base * height
= 3*3
= 9
Let the two numbers be x and y.
x + y = 86
+
x - y = 12
_________
2x + 0 = 98
__________
2x = 98
x = 98/2
x = 49
From x + y = 86
49 + y = 86
y = 86 - 49
y = 37
The numbers are 49 and 37.
Answer:
2827 cubic centimetre
Step-by-step explanation:
The cup is cylindrical in shape and it is full to the top.
The height of the cup is 15 cm and its diameter is 8 cm (radius = 4 cm).
The volume of a cylinder is given as:

where r = radius
h = height
The volume of the liquid in the cup is:

V = 2827.43 cubic centimetre ≅ 2827 cubic centimetre
Answer:
Yes, they are. Because the variable and exponents of both terms are the same.
Answer:
Step-by-step explanation:
This is how to round 6.47 to the nearest tenth.
First note that 6.47 has two parts. The integer part to the left of the decimal point and the fractional part to the right of the decimal point:
Integer Part: 6
Fractional Part: 47
To round 6.47 to nearest tenth means to round the numbers so you only have one digit in the fractional part.