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snow_lady [41]
2 years ago
14

B(t)=100•2^t/10 how many minutes will it take for the culture to achieve 10,000 bacteria? Round answer to nearest hundredth

Mathematics
1 answer:
hammer [34]2 years ago
6 0

Answer:

66.44

Step-by-step explanation:

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Write the standard form of the equation of line through (3, -1) with a slope of -1.
kirill115 [55]

The standard form of a line: Ax+By=C.

The point-slope form: y-y_1=m(x-x_1)

We have the point (3, -1) and the slope m = -1. Substitute:

y-(-1)=-1(x-3)

y+1=-x+3                    <em>add x to both sides</em>

x+y+1=3             <em>subtract 1 from both sides</em>

\boxed{x+y=2}

5 0
3 years ago
F(x)=x+1/x-2<br> find the inverse
Snowcat [4.5K]
X=1/2
Could be your answer
3 0
2 years ago
Which expression has the same value as 59.2 subtract 84.7
elena-s [515]
C. 59.2 subtract (-84.7)
5 0
3 years ago
H function is even, odd, or neither.<br> b. g(x) = x² - 2<br> Is it odd or even
o-na [289]

g(x) = x^2 - 2 \text{ is even function }

<em><u>Solution:</u></em>

Given that,

g(x) = x^2 - 2

We have to find whether the above function is odd or even

If a function is: y = f(x)

If f(-x) = f(x), the function is even

If f(-x) = - f(x), the function is odd

Which is,

\mathrm{Even\:Function:\:\:A\:function\:is\:even\:if\:}f\left(-x\right)=f\left(x\right)\mathrm{\:for\:all\:}x\in \mathbb{R}\\\\\mathrm{Odd\:Function:\:\:A\:function\:is\:odd\:if\:}f\left(-x\right)=-f\left(x\right)\mathrm{\:for\:all\:}x\in \mathbb{R}

From given,

g(x) = x^2 - 2

Replace x with -x

g(-x) = (-x)^2 - 2\\\\g(-x) = x^2 - 2

Therefore,

g(x) = g(-x)

Thus the function g(x) is even

4 0
3 years ago
In a circle with a radius of 12.6 ft, an arc is intercepted by a central angle of 2 radians
Gennadij [26K]

<em><u>Question:</u></em>

In a circle with a radius of 12.6 ft, an arc is intercepted by a central angle of 2π/7 radians.

What is the arc length?

Use 3.14 for π and round your final answer to the nearest hundredth.

Enter your answer as a decimal in the box.

<em><u>Answer:</u></em>

<h3>Arc length is 11.30 feet</h3>

<em><u>Solution:</u></em>

Given that,

Radius of circle = 12.6 feet

Central angle = \frac{2 \pi }{7} radians

To find: Arc length

<em><u>The arc length of a circle of radius "r" when central angle given in radians is:</u></em>

s = r \times \theta

Where,

s is the arc length

r is the radius

\theta is the central angle in radians

<em><u>Substituting the values we get,</u></em>

s = 12.6 \times \frac{2 \times \pi }{7}\\\\s = 12.6 \times \frac{2 \times 3.14 }{7}\\\\x = 11.304 \approx 11.30

Thus, arc length is 11.30 feet

7 0
3 years ago
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