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CaHeK987 [17]
3 years ago
8

Expert Help: Carlos has equal numbers of classical songs, country

Mathematics
1 answer:
motikmotik3 years ago
4 0

Answer:

cool you have your awnser

Step-by-step explanation:

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A number changes from 50 to 76. What type of percent change is this? Calculate the percent change.
Lady_Fox [76]

Answer:

<h3>50 is the old value and 76 is the new value. In this case we have a positive change (increase) of 52 percent because the new value is greater than the old value.</h3>
5 0
3 years ago
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Solve for x: 2(x 3)2 − 4 = 0 Round your answer to the nearest hundredth. X = 4. 41, 1. 59 x = 1. 34, 5. 24 x = −1. 34, −5. 24 x
gladu [14]

The two values when the provided quadratic equation is solved for the x are -4.41 and -1.59 to the nearest hundredth.

<h3>What is a quadratic equation?</h3>

A quadratic equation is the equation in which the unknown variable is one and the highest power of the unknown variable is two.

The standard form of the quadratic equation is,

ax^2+bx+c=0

Here, (<em>a,b,c</em>) are the real numbers and <em>x </em>is the variable.

To find the value of x, the following formula is used,

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

The given equation is,

2(x+ 3)^2 - 4 = 0

To solve this equation, we need to apply some mathematical operations over it. Let's start with opening the brackets.

2(x+ 3)^2 - 4 = 0\\2(x^2+6x+9)-4=0\\2x^2+12x+14-4\\2x^2+12x+12=0\\x^2+6x+7=0

On comparing with standard equation we get,

a=1, b=6, c=7

Put this values in the above formula,

x=\dfrac{-(6)\pm\sqrt{(6)^2-4(1)(7)}}{2(1)}\\x=\dfrac{-(6)\pm\sqrt{(6)^2-4(1)(7)}}{2(1)}\\x=-4.41,-1.59

Hence, the two values when the provided quadratic equation is solved for the x are -4.41 and -1.59 to the nearest hundredth.

Learn more about the quadratic equation here;

brainly.com/question/1214333

5 0
3 years ago
John walked x km. Sue has 3/7 walked less. Write an
maxonik [38]

Answer:

x - 3/7

Step-by-step explanation:

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3 years ago
Graph ​ y−2=−34(x−6) ​ using the point and slope given in the equation.
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The points are at (8,0) and (0,6)
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4 years ago
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A bouquet had 10 flowers and sold for $70. which is a rate of $_per flower
Advocard [28]
ANSWER: $7 per flower
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3 years ago
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