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Bingel [31]
3 years ago
15

Input x=?equation

rt{2x - 6}" alt=" f(x)\sqrt{2x - 6}" align="absmiddle" class="latex-formula">
output f(x)= 10​
Mathematics
1 answer:
Flura [38]3 years ago
6 0

Answer:

f(10)=sqrt(14)

Step-by-step explanation:

f(10) = sqrt(2x-6)

f(10)= sqrt(20-6)

f(10)=sqrt(14) - simplest form, no way to factor it.

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I need help on my math homework plzz help plzzz
earnstyle [38]

D because 144 /45% is 320 EZ hope i helped you drop a brianlest for me to pls


8 0
3 years ago
A plastic sun visor allows light to pass through but reduces the intensity of the light. the intensity is reduced by 5% if the p
irinina [24]

Answer: The equation is f(x) = 0.95^{x};

The piece of plastic has to have 10mm of thickness.

Step-by-step explanation: It is known that with 1 mm of thickness, 5% of the intensity is reduced. So, 95% of the light is transmitted.

For each milimetre added, "more" 95% of light is transmitted.

For example, if another milimetre of plastic is added, another 0.95 of light is transmitted:

0.95.0.95 = 0.9025 of light reach the visor

So, the model that relate thickness of plastic and intensity of light is:

f(x) = 0.95^{x}

in which:

f(x) is the intensity of light;

x is thickness in mm;

Using the equation, the thickness necessary to reduce intensity to 60% is:

f(x) = 0.95^{x}

0.6 = 0.95^{x}

log 0.6 = log 0.95^{x}

x. log (0.95) = log (0.6)

x = \frac{log 0.6}{log 0.95}

x = 9.95

x ≈ 10

The thickness necessary to reduce intensity of light to 60% is 10mm.

6 0
3 years ago
Read 2 more answers
Write a complete program thatdeclares an integer variable,reads a value from the keyboard into that variable, andwrites to stand
ch4aika [34]
#include

int main()
{
int num;
scanf("%d", &num);
printf("%d", num*num);
return 0;
}
4 0
3 years ago
A bucket holds 3 liters of water. How much is this in ounces? Use the following conversion: 1liter is 33.8ounces.
KatRina [158]
Just multiply ;

3×33.8 = 101.4 ounces !!
6 0
3 years ago
Sally has just finished her thirty-fifth year with her company and is getting ready to retire. During her thirty-five years, Sal
olya-2409 [2.1K]

The <em>correct answer</em> is:

$19,153.26.

Explanation:

She will receive 42% of her average annual salary. This salary was $45,603.

To find 42% of a number, we first convert the percent to a decimal: 42% = 42/100 = 0.42.

Next we multiply this by the number we're taking the percent of:

0.42(45603) = 19153.26.

7 0
3 years ago
Read 2 more answers
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