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3 years ago

If the are of a square is multiplied by 9, the area becomes 16 square inches. Find the length of the X side of the square.

Mathematics

1 answer:

Volgvan3 years ago

8 0

X^2 = 16/9
X = 4/3

Length of X is 1 1/3 inches

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For the rational function f(x)=5−xx2+5x+6, find the points on the graph at the function value f(x)=3.

Anit [1.1K]

Given:

The rational function is:

$f(x)=\dfrac{5-x}{x^2+5x+6}$

To find:

The points on the graph at the function value $f(x)=3$ .

Solution:

We have,

$f(x)=\dfrac{5-x}{x^2+5x+6}$

Substituting $f(x)=3$ , we get

$3=\dfrac{5-x}{x^2+5x+6}$

$3(x^2+5x+6)=5-x$

$3x^2+15x+18=5-x$

Moving all the terms on one side, we get

$3x^2+15x+18-5+x=0$

$3x^2+16x+13=0$

Splitting the middle term, we get

$3x^2+3x+13x+13=0$

$3x(x+1)+13(x+1)=0$

$(3x+13)(x+1)=0$

Using zero product property, we get

$(3x+13)=0\text{ or }(x+1)=0$

$x=-\dfrac{13}{3}\text{ or }x=-1$

Therefore, the required values are $-\dfrac{13}{3},-1$ .

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3 years ago

Does 1.5cm, 3cm, 1.5cm form a trangle.

Vesnalui [34]

Answer:

yes because at least 2 measurements are equal

Step-by-step explanation:

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3 years ago

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in 1990 Florida's population was about 1.3 million.Since 1990,the state's population has grown about 1.7% each year. This means

horrorfan [7]

Answer:

Step-by-step explanation: R+8

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3 years ago

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3 years ago

Solve the literal equation for y.<br><br> 2x+5y = 3y+8

ozzi

Answer:

y = -x +4

Step-by-step explanation:

2x+5y = 3y+8

Subtract 3y from each side

2x+5y-3y = 3y-3y+8

2x+2y = 8

Subtract 2x from each side

2x+2y -2x = -2x+8

2y = -2x+8

Divide by 2

2y/2 = -2x/2 +8/2

y = -x +4

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3 years ago