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Lelu [443]
3 years ago
7

Solve for x: x squared minus 25 equals 0

Mathematics
2 answers:
Semmy [17]3 years ago
5 0
X^2-25=0
X^2=25
X=12.5
erastova [34]3 years ago
4 0
X^2 - 25 = 0
+ 25
x^2 = 25
√
x = 5

So your answer is x = 5, I hope this helps!
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∠C and ∠D are vertical angles.
denis-greek [22]

Vertical angles is the same angle, but we don't know "x". If you look in a way. We can do 180=(3x+80).

100=3x

100/3 = x

Now we have the answer for x we plug it in to get the answer.

3(100/3) + 80 =<D

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8 0
3 years ago
Read 2 more answers
55. (a) If alpha and beta are the roots of the equation xsquare+ px+q=0 and beta&gt;alpha find the square of the
densk [106]

Answer:

√(p²-4q)

Step-by-step explanation:

Using the Quadratic Formula, we can say that

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x = ( -p ± √(p²-4q)) / 2

The roots of the function are therefore at

x = ( -p + √(p²-4q)) / 2 and x = ( -p - √(p²-4q)) / 2. The difference of the roots is thus

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= 0 + 2 √(p²-4q)/2

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7 0
3 years ago
A rectangular box has dimensions 0.045m, 0.034m, 0.01m. Calculate the volume of the box in cm³:
sergiy2304 [10]

Answer:

15.75 {cm}^{3}

Step-by-step explanation:

Convert m to cm,

0.045m =4.5cm

0.034m = 3.5cm

0.01m = 1cm

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5 0
3 years ago
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tia_tia [17]

interesting choice of pfp

4 0
3 years ago
What is the volume of a cube whose edges each have a measure of 1.5 cm?
inysia [295]
Using the cube formula for volume I got V=3.38cm^3
7 0
3 years ago
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