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3 years ago

Help me please please I don't understand

Mathematics

1 answer:

Fynjy0 [20]3 years ago

4 0

Answer:

1) After 2 years the value of the car decreases to $22,600.

2) d(0,-1) it just wouldn't be linear

3) a each number has one line drawn from and b just draw another letter going to more than one number

Step-by-step explanation:

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Suppose you toss a fair coin 4 times. Let X = the number of heads you get. Find the probability distribution of X.

lesantik [10]

Answer:1 and 2:4

Step-by-step explanation: Because if it's fair you have a 50 percent chance of heads or tails. and if u write it as a ratio you would get 2_4 you will most likely learn this in 7th grade or 6th

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3 years ago

Write 1.8 as a fraction simply

77julia77 [94]

Answer:

9/5 or 1 4/5

Step-by-step explanation:

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3 years ago

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]

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

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4 years ago

Translate triangle HIK 4 units to the right and 1 unit up.

Fiesta28 [93]

C because K is 1,-8 so if you go up 1, -7, and right 4,5. So you get k(5,-7)

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3 years ago

Please help me with this

9966 [12]

Answer:

Step-by-step explanation:

4 0

3 years ago

Help me please please I don't understand ​

Help me please please I don't understand