Answer:
25 is the right not comform
Answer:
your answer would be A.)12
Step-by-step explanation: You needed to find out what number you can put for it to add up to the number on the bottom line, 17. So you would add (12+5=17) , And you would get the same number as the number on the bottom line.
~hope this explanation has helped~
Answer:
(i) 22.5
(ii) 7.2
Step-by-step explanation:
(i)
AB:PQ = 2:5 = 1:2.5
So PQ is 2.5 times longer than AB.
PQ=2.5AB=(2.5)9=22.5
(ii):
Since the triangles are similar, their sides are in ratio to each other. So if PQ was 2.5 times longer than AB, QR must also be 2.5 times longer than BC:
QR=2.5BC
BC=QR/2.5=18/2.5=7.2
Answer:
Step-by-step explanation:
Base for the exponent and for the logarithm are the same!
10^0 is the <u>exponential</u> form where 10 is the base and 0 the exponent
is the l<u>ogarithm</u> form where 10 is the base
To solve 
ask the question :
To what power should I raise the base 10 to obtain the number 1 ?
The answer to the power 0 therefore
Answer:
IT is not
Step-by-step explanation:
Let's replace. If it's a solution, it means that BOTH equations has to be true.
Now, the second equations seems good - 
indeed.
First alas isn't. RHS is 142, which is totally not the same as -10.
