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Soloha48 [4]
3 years ago
9

Please help! Write an equation, then solve for x!

Mathematics
1 answer:
Georgia [21]3 years ago
6 0
Hope that helps npppppppppp

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Simplify the expression square root of -1 over (3+8i) - (2+5i)
Lynna [10]

\frac{i}{(3 \:  +  \: 8i) \:  -  \: (2 \:  +  \: 5i)}  \:  =  \:  \frac{i}{1 \:  +  \: 3i}  \:  =  \:  \frac{i}{1 \:  +  \: 3 i}  \:  \times  \:  \frac{1 \:  -  \: 3i}{1 \:  -  \: 3i}  \:  =  \:  \frac{i \:  +  \: 3}{1 \:  +  \: 9}  \:  =  \:  \frac{3 \:  +  \: i}{10}A) (3 + i)/10
8 0
3 years ago
Solve |x|>5 A. {-5,5} B. { x|-5 < x < 5 } C. { x|x < -5 or x > 5}
Marizza181 [45]
Solve |×|> 5

×>5 or ×<-5

C.{×<-5 or ×> 5}
8 0
3 years ago
Does anyone know this answer??
Aleonysh [2.5K]

For this case we have the following equation:

(2x + 3) ^ 2 + 8 (2x + 3) + 11 = 0

Let u = 2x + 3

We have:

u ^ 2 + 8u + 11 = 0

By definition, given an equation of the form ax ^ 2 + bx + c = 0

The quadratic formula, to find the solution can be written as:

x = \frac{-b+/-\sqrt{b ^ 2-4 (a) (c)} }{2(a)}

In this case we have:

a = 1\\b = 8\\c = 11

Substituting in the quadratic formula we have:

See attached image

Answer:

Option B

8 0
3 years ago
Read 2 more answers
Can you solve the equation 2/3(4x-5)=8 by using the Division Property of Equality? Explain.
Nata [24]
To solve for X you need to simplify both sides on the equation 
<span><span><span>23</span><span>(<span><span>4x</span>−5</span>)</span></span>=8

</span><span><span><span><span>(<span>23</span>)</span><span>(<span>4x</span>)</span></span>+<span><span>(<span>23</span>)</span><span>(<span>−5</span>)</span></span></span>=8 *</span>Distribute*

<span><span><span><span>8/3</span>x</span>+<span><span>−10/</span>3</span></span>=<span>8

after that you add 10/3 on both sides 

</span></span><span><span><span><span><span>8/3</span>x</span>+<span><span>−10/</span>3</span></span>+10/3</span>=<span>8+10/3</span></span><span><span><span>8/3</span>x</span>=<span>34/<span>3

finally multiply 3/8 on both sides 
</span></span></span><span><span>(<span>3/8</span>) x </span><span>(<span><span>8/3</span>x</span>)</span></span>=<span><span>(<span>3/8</span>) x </span><span>(<span>34/3</span><span>)

and your answer should be 
X= 17/4
</span></span></span>
3 0
3 years ago
Can someone help me please
mafiozo [28]

Answer:

corvette corvette.

Step-by-step explanation:

8 0
3 years ago
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