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Liula [17]
3 years ago
5

Nine less than a number algebraic expression

Mathematics
2 answers:
nalin [4]3 years ago
7 0
Nine less than a number 

is

n - 9
timofeeve [1]3 years ago
7 0
The answer is x - 9, where x is the number.
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What is the answer can you help me plz
erastova [34]

Answer:

\frac{1}{5^{7}}

Step-by-step explanation:

\frac{5^{-4}}{5^{3}} = \frac{1}{5^{7}}

6 0
3 years ago
What is the volume of this right rectangular prism? Enter your answer as a decimal in the box. cm³ A rectangular prism with a le
Irina-Kira [14]
The volume of a rectangular prism is equivalent to the equation Bh. But to find the base you must first do lw or in this equation 6.1 times 5.4. That equals to 32.94. You then use the height, or in this case 8 and multiply it times 32.94. Your final answer should be 263.52 cm. cubed.
6 0
2 years ago
Read 2 more answers
Suppose m = 2 + 6i, and | m + n | = 3√10, where n is a complex number.
Ksju [112]

Answer: a) √50

b) n = 1 + 7i

Step-by-step explanation:

first, the modulus of a complex number z = a + bi is

IzI = √(a^2 + b^2)  

The fact that n is complex does not mean that n doesn't has a real part, so we must write our numbers as:

m = 2 + 6i

n = a  + bi

Im + nI = 3√10

Im + n I = √(a^2 + b^2 + 2^2 + 6^2)= 3√10

            = √(a^2 + b^2 + 40) = 3√10

             a^2 + b^2 + 40 = 3^2*10 = 9*10 = 90

             a^2 + b^2 = 90 - 40 = 50

            √(a^2 + b^2 ) = InI = √50

The modulus of n must be equal to the square root of 50.

now we can find any values a and b such a^2 + b^2 = 50.

for example, a = 1 and b = 7

1^2 + 7^2 = 1 + 49  = 50

Then a possible value for n is:

n = 1 + 7i

6 0
3 years ago
75% of ____ =48<br> Helppppp
Nataliya [291]

Answer:

64

Step-by-step explanation:

75% of 64 = 48

5 0
3 years ago
This includes 2 questions.! Please help me!
lina2011 [118]
The first one is 34 so its 3?
4 0
3 years ago
Read 2 more answers
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