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Nikitich [7]
3 years ago
12

Find the value of x in the equation 2^x -4x=0

Mathematics
2 answers:
Savatey [412]3 years ago
7 0

Answer:

wouldnt the value of x be r?

arsen [322]3 years ago
5 0
X≈0.3 and x=4! hope this helps!
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The graph of f(x) shown below
bonufazy [111]

Answer:

C

Step-by-step explanation:

the "-" sign can't be true, because that would have turned the whole graph of x² upside-down. but it is not.

so, we need a positive sign for the x term.

and the whole graph is shifted to the right. so the functional value of x of F(x) is now the same that happened "earlier" (for smaller x) with G(x). so, the argument "x" is now reduced (by 3 units, as the graph is shifted right by 3 units) in the calculation compared to the original G(x) calculation.

therefore, the ...(x-3)... expression is right.

so, positive sign and "(x-3)" is only in C.

7 0
2 years ago
The equation tan(55 degree) equals StartFraction 15 Over b EndFraction can be used to find the length of Line segment A C. Trian
kaheart [24]

The length of line segment BC is 10.5 inches.

Given that

The equation tan(55 degrees) equals 15/b, which can be used to find the length of Line segment AC.

Triangle ABC is shown.

Angle BCA is a right angle and angle BAC is 55 degrees.

The length of AC is b and the length of hypotenuse BC is 15 centimeters.

We have to determine

What is the length of Line segment AC?

According to the question

Triangle ABC is shown.

Angle BCA is a right angle and angle BAC is 55 degrees.

The length of AC is b and the length of hypotenuse BC is 15 centimeters.

Here, BC is not the hypotenuse of the right triangle ABC.

The length line segment AC is given by,

In triangle ABC

\rm Tan\theta = \dfrac{Perpendicular}{Base}

Where \rm tan\theta = 55 degrees, Perpendicular = 15 and base is b.

Substitute all the value in the equation

\rm Tan\theta = \dfrac{Perpendicular}{Base}\rm\\\\ Tan55= \dfrac{15}{b}\\\\b = \dfrac{15}{Tan55}\\\\b = \dfrac{15}{1.42}\\\\b = 10.5 \ inches

Hence, the length of line segment BC is 10.5 inches.

To know more about Trigonometry click the link given below.

brainly.com/question/13350002

7 0
3 years ago
Given that x2 - y2 = 135 and x - y = 15 , find the value of (x+y)2
kirill [66]

Answer:

x² - y² = 135

<=> (x - y)(x + y) = 135

<=> 15(x + y) = 135

=> x + y = 135/15 = 9

=> (x + y)² = 81

6 0
3 years ago
Solve the triangle. Round decimal answer to the nearest tenth...
Mumz [18]

Answer:

DE ≈ 16.1, ∠E ≈ 60.3°, ∠D ≈ 29.7°

Step-by-step explanation:

use pythagorean theorem:

DE² = 8² + 14² => DE = √8² + 14² ≈ 16.1

use inverse tangent function:

∠E =  tan^{-1}(14/8) ≈ 60.3°

∠D =  tan^{-1}(8/14) ≈ 29.7°

6 0
3 years ago
Read 2 more answers
How to slove 3 = z - 11
Ugo [173]

Add 11 on both sides to get

3=z

8 0
4 years ago
Read 2 more answers
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