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3 years ago

Evolution is the changes in organisms over _________

Mathematics

2 answers:

emmasim [6.3K]3 years ago

5 0

Answer:

Step-by-step explanation:

vitfil [10]3 years ago

4 0

Answer:

Evolution is the changes in organisms over ____millions of years_____

1: a month

2: tens of years

3: thousands of years

4: millions of years

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How do you make an exponential equation with these two points: (1,2) and (0.5,4)

Over [174]

The required equation is y=8×( $( \frac{1}{2} )^{x}$

Step-by-step explanation:

Given,

The two points are (1,2) and (0.5,4)

To find the exponential equation of these given points.

Formula

The general form of exponential equation is y = $ab^{x}$ where, A and B are any real number.

$\frac{x^{m} }{x^{n} } = x^{m-n}$

Now, the points satisfy the equation.

So,

2 = $ab^{1}$ ------- (1) and

4 = $ab^{0.5}$ ------ (2)

Now (1) ÷ (2) we get,

$\frac{ab }{ab^{0.5} }$ = $\frac{2}{4}$

or, $b^{0.5}$ = $\frac{1}{2}$

or, b = $\frac{1}{4}$ [ by squaring we get]

Now, from (1) we get,

2 = a× $\frac{1}{4}$

or, a = 8

Hence,

The equation is y=8×( $( \frac{1}{2} )^{x}$

4 0

3 years ago

Solve for t. d= -16t^2 + 12

IRINA_888 [86]

Answer:

t=√d-12/4 and t=√-d-12/4, d≥12

Step-by-step explanation:

Hope this helps.

3 0

2 years ago

A realtor predicts that the value of a $70,000 home will increase by the same percentage each year, and will increase by 8% ever

mina [271]

Answer:

$f(n)=70,000(1.08)^{0.25n}$

3 0

2 years ago

How much interest does $400 make in 5 years at 7% per annum?

ZanzabumX [31]

Answer:

$112

Step-by-step explanation:

7% for each year = $28

7% for four years = $28.4= $112

4 0

2 years ago

Need help please thanks

tangare [24]

Answer:

i think it would be b

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers