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2 years ago

Round 76.3 to the nearest whole number

Mathematics

2 answers:

cestrela7 [59]2 years ago

7 0

76.3 rounded to the nearest whole number is 76

aksik [14]2 years ago

6 0

76
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Which are the solutions of x2 = 19x + 1?

Finger [1]

Answer:

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

Step-by-step explanation:

we have

$x^2=19x+1$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

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

in this problem we have

$-x^{2}-19x-1=0$

$a=1\\b=-19\\c=-1$

substitute in the formula

$x=\frac{-(-19)\pm\sqrt{-19^{2}-4(1)(-1)}} {2(1)}$

$x=\frac{19\pm\sqrt{365}} {2}$

$x=\frac{19+\sqrt{365}} {2}$

$x=\frac{19-\sqrt{365}} {2}$

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

therefore

StartFraction 19 minus StartRoot 365 EndRoot Over 2 EndFraction comma StartFraction 19 + StartRoot 365 EndRoot Over 2 EndFraction

6 0

3 years ago

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I roll a standard six-sided die 6 times in a row. What is the probability that the numbers

ioda

I think 50% or 1/2 ( it’s the same just one is in fraction and other in percentage)

7 0

3 years ago

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4X – 3 =2X+7<br><br><br>....................................

Vikentia [17]

X=5 have a nice day :)

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3 years ago

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The graph of g(x) is a reflection and translation of<br> f(x) = ³√x.

yaroslaw [1]

The function g(x) will be given as g(x) = – ∛(x – 1). Then the correct option is D.

The complete question is attached below.

<h3>What is a transformation of geometry?</h3>

A spatial transformation is each mapping of feature shapes to itself, and it maintains some spatial correlation between figures.

Reflection does not change the size and shape of the geometry.

Translation does not change the size and shape of the geometry.

The function f(x) is given below.

f(x) = ∛x

Then the function of the g(x) will be

g(x) = – ∛(x – 1)

Then the correct option is D.

More about the transformation of geometry link is given below.

brainly.com/question/22532832

#SPJ1

7 0

2 years ago

Use the graph below to find the coordinates of J'after J(-5, 1) was reflected over the linex=-3.

k0ka [10]

Answer:

J's would be (-5,-4) if J was reflected over the line x=3.

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3 years ago