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Firlakuza [10]
3 years ago
5

Someone please help!

Mathematics
1 answer:
svetoff [14.1K]3 years ago
7 0

Answer:

a =6

b=4

c=2

step-by-step explanation:

\sqrt{x^{12} y^{9}z^{5} }   = \sqrt{x^{12} y^{8}y z^{4} z}  = \sqrt{(x^{6}) ^{2} (y^{4}) ^{2} (z^{2})^{2} yz }  = x^{6}y^{4} z^{2}  \sqrt{yz}

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Dennis has 80 nickels and dimes that equal up to $6.60 how many of each coin did he have
Tasya [4]

Answer:

im really confused soryy that i cant help

4 0
3 years ago
Solve for x: 3/2+1/2x=2x
kotykmax [81]

Answer:

x=1

Step-by-step explanation:

3/2+1/2x=2x

Multiply each side by 2 to get rid of the fractions

2(3/2+1/2x)=2x*2

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Subtract x from each side

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3 0
3 years ago
Divide the following complex numbers: (4-i)/(3+4i) ??
Mamont248 [21]

Given : \frac{(4 - i)}{(3 + 4i)}

Multiplying and Dividing with (3 - 4i)

\implies\frac{(4 - i)(3 - 4i)}{(3 + 4i)(3 - 4i)}

\implies \frac{(12 - 16i + 4i^2 - 3i)}{(9 - 16i^2)}

We know that i² = -1

\implies \frac{(12 - 19i - 4)}{(9 + 16)}

\implies \frac{8 - 19i}{25}

\implies \frac{8}{25} - \frac{19}{25}i

Option D is the Answer

3 0
3 years ago
A triangle has sides that measure 5 units, 7 units, and 8 units. Is this triangle a right triangle?
svp [43]

Answer:

B

Step-by-step explanation:

check using Pythagorean theorem

8^2 = 5^2 + 7^2

64 = 25 + 49

64 = 74

No

6 0
3 years ago
Read 2 more answers
to prepare for a new year john praticed marching and playing his tuba for 45 minutes he took a break and then practiced 15 more
svp [43]

Answer:

60 minutes/1 hour

Step-by-step explanation:

45+ 15=60

3 0
3 years ago
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