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GaryK [48]
3 years ago
15

What is the value of x if 2x - 3 = 15?

Mathematics
1 answer:
dedylja [7]3 years ago
6 0
X=9

You add 3 to both sides which leaves you with 2x=18 and then divide by two and that gives you x=9
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liubo4ka [24]

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Step-by-step explanation:

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Kellie is given the following information:
Murljashka [212]

Answer:

She used inductive reasoning. (False)

She used the law of detachment.  (True)

Her conclusion is valid.  (True)

The statements can be represented as "if p, then q and if q, then r."  (False)

Her conclusion is true. (True)

Step-by-step explanation:

p = Two lines are perpendicular

q = They intersect at Right angles.

Given: A and B are perpendicular

Conclusion: A and B intersect at right angle.

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Statement 1: If p, then q.

Statement 2: p

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3 years ago
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katen-ka-za [31]

Answer:

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Step-by-step explanation:

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3 years ago
A parallelogram has sides 10m and 12m and an angle of 45°. Find the distance between the 12m-sides.
stich3 [128]

Answer:

The distance between 12m-sides is 5\sqrt{2}m.

Step-by-step explanation:

It is given that the parallelogram has sides 10m and 12m and an angle of 45°.

Draw an altitude from one 12m side to another 12 m side as shown in below figure.

The opposite angles of parallelogram are same. Two angles are obtuse angles and two are acute angle.

Since angle C is acute angle therefore it must be 45 degree.

\sin\theta=\frac{perpendicular}{hypotenuse}

\sin C=\frac{BE}{BC}

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\frac{1}{\sqrt{2}}=\frac{d}{10}

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\frac{10}{\sqrt{2}}\times \frac{\sqrt{2}}{\sqrt{2}}=d

\frac{10\sqrt{2}}{2}=d

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Therefore the distance between 12m-sides is 5\sqrt{2}m.

4 0
3 years ago
Help please I’m stuck
Greeley [361]

Answer:

x=5

here,

=5×5-5

=25-5

=20

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3 years ago
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