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sesenic [268]
2 years ago
15

Cual es el valor de "x" en la siguiente operación? 2x+1=11

Mathematics
2 answers:
Nana76 [90]2 years ago
8 0

Answer:

5

Step-by-step explanation:

tienes que quitar 1 de 1 y 11 y te quedas con 10, despues divides 10 con 2x y tienes 5.

AURORKA [14]2 years ago
5 0

Answer:

Subtract

1

1

1

from both sides of the equation

2

+

1

=

1

1

2

+

1

−

1

=

1

1

−

1

2

Simplify

3

Divide both sides of the equation by the same term

4

Simplify

Solution

=

5

Step-by-step explanation:

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user100 [1]
\dfrac{\cos^2\O\cdot\tan^2\O}{1-\cos^2\O}=\dfrac{\cos^2\O\cdot\tan^2\O}{\sin^2\O}=\dfrac{\cos^2\O}{\sin^2\O}\cdot\tan^2\O\\\\=\dfrac{1}{\dfrac{\sin^2\O}{\cos^2\O}}\cdot\tan^2\O=\dfrac{1}{\left(\dfrac{\sin\O}{\cos\O}\right)^2}\cdot\tan^2\O=\dfrac{1}{\tan^2\O}\cdot\tan^2\O\\\\=\dfrac{\tan^2\O}{\tan^2\O}=1

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3 years ago
Read 2 more answers
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The anwser should be c
5 0
3 years ago
A circle has a radius of 5 in. A central angle that measures 150° cuts off an arc.
Slav-nsk [51]

Answer:

Part 1) The exact value of the arc length is \frac{25}{6}\pi \ in

Part 2) The approximate value of the arc length is 13.1\ in

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference of a circle is equal to

C=2\pi r

we have

r=5\ in

substitute

C=2\pi (5)

C=10\pi\ in

step 2

Find the exact value of the arc length by a central angle of 150 degrees

Remember that the circumference of a circle subtends a central angle of 360 degrees

by proportion

\frac{10\pi}{360} =\frac{x}{150}\\ \\x=10\pi *150/360\\ \\x=\frac{25}{6}\pi \ in

step 3

Find the approximate value of the arc length

To find the approximate value, assume

\pi =3.14

substitute

\frac{25}{6}(3.14)=13.1\ in

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The sum of 2 times a number and 3 is 6
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