4 years ago

What is the true solution to 2 l n e Superscript l n 5 x Baseline = 2 l n 15 x = 0 x = 3 x = 9 x = 15

Mathematics

1 answer:

weeeeeb [17]4 years ago

4 0

Answer:

x = 3

Step-by-step explanation:

I got it right on edge

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Joseph has 150 animals on his farm. ⅕ of the animals are chickens, ⅕ of the animals are cows, and the rest of the animals are go

ASHA 777 [7]

Answer:

90 goats

Step-by-step explanation:

Number of chickens in farm = (1/5) of 150

= $\frac{1}{5}*150$

= 1 * 30

= 30

Number of cows in farm = $\frac{1}{5}*150$

= 1 * 30

= 30

Number of goats in farm = 150 - (30 + 30)

= 150 - 60

= 90

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4 years ago

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Evaluate the expression described below if the number is 4. The difference between a number squared and the number.

Margarita [4]

Hello,

$x^2-x=4\\
x^2-x-4=0\\
\Delta=1^2-4*(-4)=17\\
x= \dfrac{1+ \sqrt{17} }{2} \\
or\\
x= \dfrac{1- \sqrt{17} }{2} \\
$

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4 years ago

(f(x) = 0.5x2 - 2) + (g(x) = 8x3 + 2)

galina1969 [7]

Answer:

Final answer is $f(x)+g(x)=0.5x^2+8x^3$

Step-by-step explanation:

Given functions are $f\left(x\right)=0.5x^2-2$ and $g(x)=8x^3+2$

Now we need to add both functions:

$f(x)+g(x)$

$=(0.5x^2-2)+(8x^3+2)$

$=0.5x^2-2+8x^3+2$

$=0.5x^2+8x^3-2+2$

combine like terms -2 and +2

$=0.5x^2+8x^3$

Hence final answer is $f(x)+g(x)=0.5x^2+8x^3$

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3 years ago

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What is the slope of the line that passes through the pair of points (-10,14) and (-6,12).

Inga [223]

Answer:

Step-by-step explanation:

(-10,14) and (-6,12)

y2 = 12, y1 = 14, x2 = -6, x1 = -10

Slope m = (y2 - y1)/(x2 - x1)

m = (12 - 14)/(-6 + 10)

m = -2/4

m = -1/2

The equation of line

y - y1 = m(x - x1)

y - 14 = -1/2(x + 10)

y - 14 = -x/2 - 5

y = -x/2 - 5 + 14

y = -x/2 + 9

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3 years ago

What is -6(5a-3b) when after using the distributive property

Brrunno [24]

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4 years ago

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