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KatRina [158]
3 years ago
5

D={x | x is an integer and -3 < x <1

Mathematics
1 answer:
Anarel [89]3 years ago
4 0
-2, -1, 0
These would be the options
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What is the square root of -1?
Minchanka [31]
The square root of -1 “i”
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Consider the equation x2+4x+9=0 in standard form. Which equation shows the coefficients a, b, and c correctly substituted into t
Afina-wow [57]

Answer:

<h2>x = -2+i√5 and  -2i-√5</h2>

Step-by-step explanation:

The general form of a quadratic equation is ax²+bx+c = 0

Given the quadratic equation x²+4x+9=0 in its standard form, on comparing with the general equation we can get the value of the constant a, b and c as shown;

ax² = x²

a = 1

bx = 4x

b = 4

c = 9

The quadratic formula is given as x = -b±√(b²-4ac)/2a

Substituting the constant;

x = -4±√(4²-4(1)(9))/2(1)

x = -4 ±√(16-36)/2

x = -4±√-20/2

x = -4±(√-1*√20)/2

Note that √-1 = i

x = -4±(i√4*5)/2

x = (-4±i2√5)/2

x = -4/2±i2√5/2

x = -2±i√5

The solution to the quadratic equation are  -2+i√5 and  -2i-√5

5 0
3 years ago
What is the prime factorization of 32?
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You could’ve just looked it up

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3 years ago
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The measure of Arc A D B is 162°. What is the measure of ∠EAB?<br><br> °
yawa3891 [41]

Answer:

81

Step-by-step explanation:

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3 years ago
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√8 x √2 = 10 - 3 x 4 1/2
MrMuchimi

Answer:

Exact Form:

2√2

Decimal Form:

2.82842712

i think

5 0
3 years ago
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