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3 years ago

The given diagram shows a construction completed using a straightedge and a compass.

Mathematics

1 answer:

hammer [34]3 years ago

4 0

Answer:

jhmmmmmmmgmbbbbbbbb bbbbhhhhuh

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A biologist is studying the growth of a particular species of algae. She writes the following equation to show the radius of the

Lelu [443]

Answer:

The reasonable domain to plot the growth function is the interval [0,9]

$0\ days\leq d\leq 9\ days$

Step-by-step explanation:

In this problem we have a exponential function of the form

$f(d)=a(b^d)$

where

f(d) is the radius of the algae in mm

d is the number of days

a is the initial value or y-intercept

b is the base

r is the rate of growth

b=1+r

we have

$a=9\ mm\\b=1.04\\r=1.04-1=0.04=4\%$

we have

$f(d)=9(1.04^d)$

For f(d)=12.81 mm

substitute in the function and solve for d

$12.81=9(1.04^d)$

$(12.81/9)=(1.04^d)$

Apply log both sides

$log(12.81/9)=log(1.04^d)$

$log(12.81/9)=(d)log(1.04)$

$d=log(12.81/9)/log(1.04)$

$d=9\ days$

therefore

The reasonable domain to plot the growth function is the interval [0,9]

$0\ days\leq d\leq 9\ days$

4 0

4 years ago

The square prism has a base length of 2 ft. Which describes the cross section of the prism that is perpendicular to the base? pl

aliya0001 [1]

Answer:

cross-section of the prism perpendicular to base=base area

base area=2*2=4 ft^2

Step-by-step explanation:

7 0

3 years ago

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PLs HELP I HAVE A HEADACHE I WILL GIVE BRAINLY

Ira Lisetskai [31]

Answer:

Have some water and take a short break from the screen if possible, maybe get a few minutes of fresh air

7 0

3 years ago

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5x-2y=-20 and 5x-8y=-50 what is the ordered pair

Fed [463]

Answer:

Solution Set: (-2,5)

Step-by-step explanation:

3 0

3 years ago

Please help me ASAP Please

Romashka [77]

Answer:

I think it’s 20 or 26 sorry if I get it worng :(

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3 years ago