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Eddi Din [679]
3 years ago
9

Math problem, need help

Mathematics
1 answer:
vazorg [7]3 years ago
6 0

Answer:

(7-3i)

Step-by-step explanation:

You add them together so 3+4 and 2i + - 5i but since the 5 is negative it would be negaitive

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Simplify: (3x-4)+(-2x+8).
maxonik [38]

Answer:

Step-by-step explanation:

x+4

4 0
2 years ago
Y=-x-3
nadya68 [22]

Answer: Heyaa! :)

  • <em>1. y=-x-3 = -1</em>

<em>Slope:  </em>−1

<em>y-intercept: </em>(0,−3)

  • <em>2. y=4x-5 =</em> 4

<em>Slope:</em> 4

<em>y-intercept: </em>(0,−5)

  • <em>3. 2x-y=-2 =</em> 2

<em>Slope:</em> 2

<em>y-intercept:</em> (0,2)

  • <em>4. x+y=4 =</em> 1

Slope: −1

<em>y-intercept:</em> (0,4)

  • <em>5. 3x+4y=-12 = - 3/4</em>

<em>Slope: </em>−3/4

<em>y-intercept: </em>

(0,−3)

Hopefully this helps<em> you!</em>

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- Matthew

4 0
2 years ago
A computer manufacturer spends $2,000 per day in operating costs. The company realizes a profit of $385 for each computer (x) so
mariarad [96]

Answer:

$2000

Step-by-step explanation:

the profit would be determined by how many computers are involved, so that would vary

3 0
3 years ago
Read 2 more answers
The roots of the equation 2x^2+8x-7=-2 are?
olchik [2.2K]
<span>2x^2+8x-7=-2
</span><span>2x^2+8x - 5 = 0

using the formula:- x = [-8 +/- sqrt(8^2 - 4*2*-5) ]  / 4
                                  =  -2 +/- sqrt 104)/2
                                  = 0.5495 ,   -4.549
</span>
6 0
3 years ago
Q2: What is the radius? Because this is an approximation use 3.14 as pi. Round to
bija089 [108]

Answer:

r=11 m

Step-by-step explanation:

Too lazy to explain:

πr²h=v

3.14*r²*12=4560

r²≈121

r is 11 m

4 0
3 years ago
Read 2 more answers
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