What value of k makes the equation true? 12 (–17) = –17 + k
Answers
if no, then this is to be interpreted as a multiplication and is equal to -204.
so we have -204=-17+k
which means
-204+17=k
-187=k
so k is -187
if thre is a plus between the 12 and (-17) then k would be 12 (and both sides of the equation would be essentially the same, just inverted order)
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What is the sum of -4 and -6?
Answers
1/10 = x/6000
(One over ten equals x over 6000)
Then you find out how much you multiplied 10 by to get 6000. To do this you can divide 6000 by 10 getting 600. The rule "what you do to the bottom you have to do to top" in this equation. So since you multiplied the bottom by 600 you have to multiply the top by 600 as well. 600 times 1 is just 600.
So your answer is, 600 is 1/10 of 6000.
Hope this helps and isn't too confusing.
Answers
Answer:
8 times the square root of 2
Step-by-step explanation:
Look up the 45-45-90 triangle
Answers
Impossible; the only possible products greater than 25 (30 and 36) are even.
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Answer:
We can compare this using example:
Suppose the two fractions are and
When we simplify before multiplying:
(dividing both numerator and denominator by 5) in simplified form becomes
Similarly becomes
Now multiplying:
=
When we simplify after multiplying:
=
Now simplifying this:
Dividing both numerator and denominator by 10; we get
Now dividing by 2:
Now dividing by 3:
-----------------------------------------------------------------------------------------------
Now, we can see and compare that when we multiply after simplifying, the result is simplified and calculation is easier.
When we do not simplify and multiply at first, the results are bigger numbers and it is difficult to simplify bigger numbers.
a denominator gets simplified, we will cross it out with a slash and write the new
numerator or denominator next to it (either above it or below it).The number you divide by (the 4) does not get indicated in any way! You only
think about it in your mind: “I divide 12 by 4, and get 3. I divide 20 by 4, and get 5.”You may not see any advantage over the “old” method yet, but this shortcut will
come in handy soon.
y = x – 13 when x = –3.
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x = -3
Since the value of x has already been given, we can substitute its value to the x in the 1st equation.
y = x - 13
= -3 - 13 *both carry the same negative signs, so addition is performed but the sign is carried over to its sum
y = -16
(-3,-16)
Answers
it is both. why? because 45/5 is greater than 1