Answer:
<h2>S.A. = 62</h2>
Step-by-step explanation:
We have:
two rectangles 2 × 3
two rectangles 3 × 5
two rectangles 2 × 5
Calculate the areas:
A₁ = (2)(3) = 6
A₂ = (3)(5) = 15
A₃ = (2)(5) = 10
The Surface Area:
S.A. = 2A₁ + 2A₂ + 2A₃
S.A. = (2)(6) + (2)(15) + (2)(10) = 12 + 30 + 20 = 62
Note: The third term of the sequence should be 
instead of 
, otherwise the sequence has no common ratio.
Given:
The given sequence is
To find:
The common ratio of the given sequence.
Solution:
The quotient of each pair of consecutive terms are:
Similarly,
And,
Therefore, the common ratio of the given sequence is 
or 0.75.
<span>So, what you want is the biggest square that can evenly tile a space 240*300. The biggest possible number that can divide 240 and 300. Does that ring any bells? Maybe you should divide 240 and 300</span>
Writing the equation that governs this situation:
-3C - (2.5C/hr)x = -18C
Simplifying, -3 - 2.5x = -18, or 3 + 2.5x = 18
Combining like terms: 2.5x = 18-3 = 15
Then x = 15/2.5 = 6. The temp. will reach -18C after 6 hours.
Answer:
3.4
Step-by-step explanation:
The opposite of a number is the same as the additive inverse of the number.
Two numbers are opposites, or additive inverses, if they add to zero.
For a positive or a negative number, just change its sign to find its opposite. For zero, its additive inverse is zero.
The opposite of -3.4 is 3.4.
Answer: 3.4
