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2 years ago

3

Mathematics

2 answers:

Sonja [21]2 years ago

4 0

Answer:

I think its 3

Step-by-step explanation:

not sure tho :00

Norma-Jean [14]2 years ago

3 0

Its the bottom 3. If u have to chose more then one because it doesn’t change the shape it just changes the direction….. i think

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(x-13.4)^{2}+(y+2.6)^{2} = 100(x−13.4) 2 +(y+2.6) 2 =100left parenthesis, x, minus, 13, point, 4, right parenthesis, squared, pl

vazorg [7]

Answer:

The center of the circle is (13.4, - 2.6).

Step-by-step explanation:

Circle:

The diameter of a circle is 2 times of its radius.
The area of a circle is $\pi r^2$ , where is the radius of the circle.

The circumference of a circle is $2\pi r$ , where r is radius of the circle.

We know that,the equation of circle is in the form

$(x-\alpha)^2+(y-\beta)^2= r^2$

where $(\alpha, \beta)$ is the center of the circle and r is the radius of the circle.

Given equation of circle is

$(x-13.4)^2+(y+2.6)^2=100$

The center of the circle is (13.4, - 2.6).

The radius of the given circle is $\sqrt{100}$ units=10 units.

6 0

3 years ago

a rectangle is 5 feet longer than it is wide. the perimeter of the rectangle is 34 feet. what is the length of the rectangle?

DochEvi [55]

The length is 11 feet and the width is 7 feet long

3 0

3 years ago

Read 2 more answers

Please help me and answer quick please

m_a_m_a [10]

Answer:

Step-by-step explanation:

the function has exactly one x-intercept

8 0

3 years ago

Read 2 more answers

If SU and VX are parallel lines and mUTR = 115°, what is mSTW?

grandymaker [24]

Answer:

m STW = 115°

Step-by-step explanation:

here, SU || VX

m STW = m UTR

( vertical opposite angles )

Hence, STW = 115°

6 0

3 years ago

Solve: 12^x2+5x-4 =12^2x+6

lyudmila [28]

Answer:

x=2, x=-5

Step-by-step explanation:

to work more comfortably, the first thing we need to do is work the equation linearly, for that we take advantage of the property of logarithms that tells me that $log(a^{b})=b*log(a)$

in this way, the equation remains as:

$log(12^{x^{2} +5x-4 } )=log(12^{5x+6} ) \\ (x^{2} +5x-4 )*log(12)=(5x+6) *log(12)\\x^{2} +5x-4 = 5x+6$

Now we clear the equation so that it is of the form $ax^{2} +bx+c=0$

$x^{2} +5x-2x=6+4\\ x^{2} +3x-10=0$

finally, we apply the equation to solve second degree equations

$x = \frac{-b \pm \sqrt {b^2-4ac}}{2a}$

$x = \frac{-3 \pm \sqrt {3^2-4*1*(-10)}}{2*1}\\ x = \frac{-3 \pm \sqrt {9+40}}{2}\\ x = \frac{-3 \pm 7}{2}$

x=2 and x=-5

Done

5 0

4 years ago