4. Divide –50m3n5 by –5m2n2. A. 10mn3
B. –45m5n7
C. –10mn3
D. 45m5n7
Answers
Answer:
A. 10mn³
Step-by-step explanation:
To divide numbers in power form but to the same base, we simply subtract the powers and then divide the coefficients of the the bases.
-50m³n⁵ /-5m²n²
=10m⁽³⁻²⁾ n⁽⁵⁻²⁾
=10mn³
A negative number divided by a negative number = a positive number.
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If m∠2 = 137 and m∠P = 22, what is m∠O?
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Answer:19800
Step-by-step explanation:
Answer: 19,800 cups
Step-by-step explanation:
Put the least value on the left.
Answers
Answer:
-2, -5/2, 1.7
Step-by-step explanation:
since in negative larger numbers are smaller, a negative fraction is larger than a negative whole number
Answer:
Step-by-step explanation:
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i just got it correct doing that
14-6=____
10-___=____
Answers
The difference of both numbers is:
We note that for number 14 we have:
tens place: 1
ones place: 4
Therefore, number 14 can be rewritten as:
Thus, the given expression can be rewritten by replacing values such as:
Then, for associative property we have:
We observe that the difference is also 8.
Answer:
the difference
Rewriting:
14 - 6 = 8
Now, the number 14 has one tens and four ones, therefore it can be written as : 10+4
Now, rewriting the given expression:
14-6 = 10+4-6 = 10-2
The result of 10-2 is also 8.
Answers
Answer:
Length = 40 cm
Width = 16 cm
Step-by-step explanation:
Length = x
Width = 1/2x -4
2 times length + 2 times width = perimeter
2x + 2(1/2x - 4) = 112 cm
2x + 2/2 x - 8 = 112 cm
2x + x = 112 + 8
3x = 120
x = 120/3
x = 40
Width = 40/2 - 4
Answers
Answer:
x=499.83
y=500.16
Step-by-step explanation:
We can solve this problem with a system of equations:
The total quantity of Nerds in the box:
(1)
The amount of Nerds left in the box:
The number of portions Mrs. Konings has taken:
The amount of Nerds left in the box decreases by a third each time she dumps out a portion:
(2)
Substituting (2) in (1):
(3) This is the equation
Let's find :
(4)
Now let's find by substituting (4) in (2):
(5)
Answer:
she's my math teacher haha
Step-by-step explanation: :)
Answers
First of all, your second term is already wrong. When you divided 8x² by 4 ,
you should have written 2x² , not 4x² .
Make that correction, and then divide the whole thing by 'x'.
Then you'll have x² - 2x + 1 = 0 .
You should have no trouble solving that one,
(especially since it's a perfect square)
That gives you two (equal) solutions. But you should also ask yourself:
"Self ! Where is the third solution ? A cubic equation like the original
one needs three solutions."
I'll give you that one:
Look over the original equation, and look at what happens to it when x = 0 .
Then the left side becomes zero, and the equation is 0 = 0 . Since that's a
true statement, " x = 0 " is another solution of the cubic equation, and now
you have all three of them.
x^2-2x+1=0
You can either factor, complete the square, or use the quadratic formula.
I'll factor this into (x-1)(x-1)=0
x-1=0, so x=1