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Setler [38]
3 years ago
14

What does x equal in this problem?

Mathematics
1 answer:
ivolga24 [154]3 years ago
7 0
1 plus or minus 2i radical 2
i is the square root of -1
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Solve the equation for real c variable. R-C=p
tekilochka [14]

C = R - p

add C to both sides

R = C + p

subtract p from both sides

R - p = C ⇒ C = R - p


3 0
3 years ago
What are the x-intercepts of y=2x^2+6x-20?
NISA [10]

Answer:

the x-intercepts are -5 and 2

Step-by-step explanation:

y=2x^2+6x-20

x-intercept is when y is set equal to zero

So, y = 0

0 = 2x^2+6x-20

2x^3+6x-20 = 0\\Taking \ 2 \ common\\2(x^2+3x-10) = 0\\Dividing \ both \ sides \ by \ 2\\x^2+3x-10 = 0\\Using \ mid\ term \ break \ formula\\x^2+5x-2x-10 = 0\\x(x+5)-2(x+5)=0\\Taking \ (x+5) \ common\\(x+5)(x-2) = 0

Either,

x+5 = 0    <u><em> OR </em></u>    x-2 = 0

x = -5       <u><em> OR  </em></u>     x = 2

So, the x-intercepts are -5 and 2

7 0
3 years ago
Read 2 more answers
Plz help this is due today NO LINKS OR GROSS PICTURES OR I Will REPORT And please show work
sdas [7]

Answer:

the volume is 120

Step-by-step explanation:

the formula for volume with length times width times height. Just multiply 3 x 5 x 8

8 0
3 years ago
Sometimes life is tricky.
skad [1K]

thanks for the message !!

3 0
2 years ago
Read 2 more answers
3<br> Describe and correct the error a student made when graphing the linear equation y = -3/4x -6
likoan [24]

Answer:

In step 1 the y-intercept should be plotted at (0,-6)

Step-by-step explanation:

Remember that to find the Y intercept in any linear equation you need to use 0 as your X value, this means taking the formula in the y=mx+b form and replacing X with a 0.

Since the formula is y = -3/4x -6

We just insert a 0 insted of the "x"

y = -3/4(0) -6

y=0-6

y=6

So the y-intercept sould be placed in (0,-6)

That's what he did wrong when graphing the equation.

5 0
3 years ago
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