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faltersainse [42]
3 years ago
13

Complete the steps to identify all potential rational roots of f(x) = 3x2 – x – 4.

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
5 0

Answer:

-4,. 3

or. ±4/1,. ±2/1,. ±1/1,. ±4/3,. ±2/3,. ±1/3,.

Step-by-step explanation:

Ymorist [56]3 years ago
4 0
-4,. 3

or. ±4/1,. ±2/1,. ±1/1,. ±4/3,. ±2/3,. ±1/3,.
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What is the measure of Zr?
pishuonlain [190]

Answer:

  24°

Step-by-step explanation:

Two angles that form a linear pair are supplementary. That is, their total is 180°.

  x° +156° = 180°

  x° = 180° -156° = 24°

3 0
2 years ago
Prove the Cyclic Quadrilateral Conjecture
Rufina [12.5K]

Given ABCD is a cyclic quadrilateral.

To prove that ∠A + ∠C = 180° and ∠B + ∠D = 180°

Construction: Join AC and BD.

Proof:

<em>Angles in the same segment are equal.</em>

∠ACD = ∠ABD – – – – (1)

∠DAC = ∠DBC – – – – (2)

Add (1) and (2), we get

∠ACD + ∠DAC = ∠ABD + ∠DBC

⇒ ∠ACD + ∠DAC = ∠ABC  (Since ∠ABD + ∠DBC = ∠ABC)

Add ∠ADC on both sides.

⇒ ∠ACD + ∠DAC + ∠ADC = ∠ABC + ∠ADC

We know that <em>sum of the angles of a triangle is 180°.</em>

In ΔABC, ∠ACD + ∠DAC + ∠ADC = 180°

Now, 180° = ∠ABC + ∠ADC

180° = ∠B + ∠C – – – – (3)

<em>Sum of all the angles of a quadrilateral = 360°</em>

∠A + ∠B + ∠C + ∠D = 360°

∠A + ∠C + 180° = 360° (using (3))

∠A + ∠C = 360° – 180°

∠A + ∠C = 180°  – – – – (4)

Equation (3) and (4) shows that,

Opposite angles of a cyclic quadrilateral are supplementary.

Hence proved.

4 0
3 years ago
Write the following as an inequality.
Bezzdna [24]

Answer:

see below

Step-by-step explanation:

-2> x ≥ -7    can be written as   -7 ≤ x < -2

8 0
2 years ago
What is -0.5 repeating as a fraction
Eva8 [605]
-0,5=-1/2
-1/2•(-2)=1
The answer is 1
6 0
3 years ago
What fraction is equivalent to 0.34⎯⎯⎯⎯0.34¯. Show or explain how you found your answer.
VladimirAG [237]
We know that

Two fractions are equivalent only if the product of the numerator (a) of the first fraction and the denominator (d) of the other fraction is equal to the product of the denominator (b) of the first fraction and the numerator (c<span>) of the other 
that means
a/b=c/d-------> a*d=c*b

so

0.34=0.34/1=34/100---------> 0.34/1=34/100
then
0.34*100=1*34-------> 34=34------> fractions (0.34/1) and (34/100) are equivalent

34/100-------> 17//50
34*50=100*17---------> 1700=1700-----> fractions 34/100 and 17/50 are equivalent

the answer is
17/50</span>
3 0
3 years ago
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