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Ira Lisetskai [31]
3 years ago
10

Find x to the nearest tenth. Please answer quick

Mathematics
2 answers:
sertanlavr [38]3 years ago
8 0

Answer:

C, 14.4

Step-by-step explanation:

Using the Pythagorean theorem, you can solve for x (it's a right triangle)

8.6^2+11.5^2=c^2

206.21=c^2

√(206.21)=c

√(206.21)≈14.36 So the answer is C if you round the answer to the nearest 10th.

Alexandra [31]3 years ago
6 0
The answer would be C. 14.4
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Kobotan [32]
B. The answer is b hehehehhehsheus
6 0
3 years ago
Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval.
Olin [163]

Answer:

The correct option is  d

f(1) =  -5

f(2) =  11

The correct option is d

The correct option is  c

the correct option is  b

Step-by-step explanation:

The given equation is

     f(x) =  x^4 + x -7 =0

The give interval  is (1,2)

 

   Now differentiating the equation

        f'(x) =  4x^3 +7 > 0

Therefore the equation is  positive  at the given interval

       Now at x= 1

  f(1) =  (1)^4 + 1 -7 =-5

       Now at x= 2

  f(2) =  (2)^4 + 2 -7 =11

Now at  the interval (1,2)

      f(1) < 0 < f(2)

i.e

      -5 < 0 < 11

this tell us that there is a value z within 1,2 and

   f(z) =  0

Which implies that there is a root within (1,2) according to the intermediate value theorem

     

5 0
3 years ago
Find the exact solution(s) of the equation. 1/3 . x^2
kogti [31]

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6 0
3 years ago
One leg of a right triangle is 21 inches longer than the other leg, and the hypotenuse is 39 inches.
Valentin [98]

Answer:

One leg - 15 inches

Second leg - 36 inches.

Step-by-step explanation:

One leg - x inches.

Second leg - (x + 21) inches.

Hypotenuse - 39 inches.

Using Pythagorean theorem

x² + (x + 21)² = 39²

x² + x² + 2*21x  + 21² = 39²

2x² + 42x - 39² + 21² = 0

2x² + 42x - 1080 = 0

x² + 21x - 540 = 0

(x - 15)(x + 36) = 0

x = 15, x = - 36

We can use only positive value.

One leg - x inches = 15 inches

Second leg - (x + 21) inches = 15+21=36 inches.

4 0
3 years ago
Please help quick!!! <br><br> Reflect over the y axis then translate
Nataly_w [17]

The composition of transformation that maps ABCD to EHGF is reflect over the y-axis, then translate (x - 1, y + 1)

<h3>What is transformation?</h3>

Transformation is the movement of a point from its initial location to a new location. Types of transformations are<em> reflection, rotation, translation and dilation.</em>

Translation is the movement of a point either <em>up, left, right or down</em> in the coordinate plane.

The composition of transformation that maps ABCD to EHGF is reflect over the y-axis, then translate (x - 1, y + 1)

Find out more on transformation at: brainly.com/question/4289712

#SPJ1

4 0
2 years ago
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