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Zina [86]
1 year ago
8

Please someone solve this.Its maths ​

Mathematics
1 answer:
Elanso [62]1 year ago
3 0

Answer:

Step-by-step explanation:

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X2 + 1/2x +__ = 2 + __
Brut [27]

Complete the Square:

\frac{b}{2a} Plug your numbers in this function

\frac{\frac{1}{2} }{2} You get this

That equals \frac{1}{4}

3 0
3 years ago
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Which statements are true? Check all that apply.
Bumek [7]

Answer:

1,2,4

Step-by-step explanation:

<em>A chord of a circle is a straight line segment whose endpoints both lie on the circle. </em>

<em>KJ is CHORD</em><em>.</em>

<em>Tangency is point where tangent of circle touch it. </em>

<em>F is point of Tangency for FE.</em>

<em>Secant is the infinite line extension of a chord.</em>

<em>GN is a secant segment. </em>

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4 0
3 years ago
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cos theta = 4/5, 0˚&lt; theta &lt; 90˚ use the information given to find sin2theta, cos2theta, and tan 2theta
NikAS [45]
First calculate \sin\theta.

\sin^2\theta+\cos^2\theta=1\\\\\sin^2\theta=1-\cos^2\theta\\\\\sin^2\theta=1-\left(\dfrac{4}{5}\right)^2\\\\\\\sin^2\theta=1-\dfrac{16}{25}\\\\\\\sin^2\theta=\dfrac{9}{25}\quad|\sqrt{(\dots)}\\\\\\\sin\theta=\sqrt{\dfrac{9}{25}}\\\\\\\boxed{\sin\theta=\dfrac{3}{5}}

We take positive value of sinθ because 0° < θ < 90°
Now we could calculate sin2θ, cos2θ and tan2θ:

\sin2\theta=2\sin\theta\cos\theta=2\cdot\dfrac{3}{5}\cdot\dfrac{4}{5}=\dfrac{2\cdot3\cdot4}{5\cdot5}=\dfrac{24}{25}\\\\\\\cos2\theta=\cos^2\theta-\sin^2\theta=\left(\dfrac{4}{5}\right)^2-\left(\dfrac{3}{5}\right)^2=\dfrac{16}{25}-\dfrac{9}{25}=\dfrac{7}{25}\\\\\\&#10;\tan2\theta=\dfrac{\sin2\theta}{\cos2\theta}=\dfrac{\frac{24}{25}}{\frac{7}{25}}=\dfrac{24\cdot25}{7\cdot25}=\dfrac{24}{7}=3\dfrac{3}{7}
5 0
3 years ago
Read 2 more answers
To subtract two rational expressions that have a common denominator, you simply _____ the numerators.
Gala2k [10]
The answer is subtract.

For example:

\frac{3x^2 - 3}{x+2} - \frac{x^2+6}{x+2}

\frac{3x^2 - 3-x^2-6}{x+2}

\frac{2x^2-9}{x+2}
4 0
3 years ago
(05.01)A scale drawing of a bathroom is shown below: A rectangle is shown. The length of the rectangle is labeled 2 inches. The
Nostrana [21]
2 by 3.5 is the area for the model.
Every 1 is meant to represent 20, so multiply both 2 and 3.5 by 20.
2 * 20 = 40
3.5 * 20 = 70
40 * 70 = 2800 in^2
Every 12 inches is 1 foot so divide 2800 by 12^2 (one square foot), or 144.
2800/144 = 19.44444
Round down because .4 is less than half.
Approximately 19 ft^2

8 0
3 years ago
Read 2 more answers
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