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2 years ago

Adam says that the expression 52-3y is equal to 20 when y equal 2.Explain why Adam's answer is incorrect.

Mathematics

1 answer:

larisa [96]2 years ago

6 0

Because when you do 3 x 2=6 and then 52-6 it doesn’t equal 20. It equals 46.

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WHAT is 1+6+8+9+7-5+81

snow_lady [41]

Step-by-step explanation:

1+6+8+9+7-5+81

= 107

....

5 0

3 years ago

The formula Upper A equals 23.1 e Superscript 0.0152 tA=23.1e0.0152t models the population of a US state, A, in millions, t ye

Wewaii [24]

Answer:

a) $A(t=0)= 23.1 e^{0.0152(0)}=23.1e^0 =23.1$

b) $t = \frac{ln(\frac{28.3}{23.1})}{0.0152}=13.357 years$

So for this case the answer would be 13.347 years, the population will be 28.3 million and ye year would be 2000+13.347 and that would be approximately in 2014

Step-by-step explanation:

For this case we assume the following model:

$A(t)= 23.1 e^{0.0152 t}$

Where t is the number of years after 2000/

Part a

For this case we want the population for 2000 and on this case the value of t=0 since we have 0 years after 2000. If we rpelace into the model we got:

$A(t=0)= 23.1 e^{0.0152(0)}=23.1e^0 =23.1$

So then the initial population at year 2000 is 23.1 million of people.

Part b

For this case we want to find the time t whn the population is 28.3 million.

So we need to solve this equation:

$28.3= 23.1 e^{0.0152(t)}$

We can divide both sides by 23.1 and we got:

$\frac{28.3}{23.1}= e^{0.0152t}$

Now we can apply natural log on both sides and we got:

$ln(\frac{28.3}{23.1})= 0.0152 t$

And then for t we got:

$t = \frac{ln(\frac{28.3}{23.1})}{0.0152}=13.357 years$

So for this case the answer would be 13.347 years, the population will be 28.3 million and ye year would be 2000+13.347 and that would be approximately in 2014

3 0

3 years ago

22 students is % of 55. O 22 O 100 0 40 O 36

max2010maxim [7]

Answer:

Maybe 40

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Find the prime factorization of 210 A.) 2 X 3 X 5 X 7 B.) 2 X 3 X 35 C.) 2 X 7 X 15

horrorfan [7]

To prime factorization would be A: 2 X 3 X 5 X 7

Because if your do 2 X 3 it would be 6

Then you do 5 X 7 it would be 35

And 6 X 35 would be 210

AND THAT IS FACTORING THE PROBLEM

3 0

2 years ago

Read 2 more answers

10-x=-2x what is it ???

aniked [119]

Answer:

x = - 10

Step-by-step explanation:

Given

10 - x = - 2x ( add 2x to both sides )

10 + x = 0 ( subtract 10 from both sides )

x = - 10

4 0

2 years ago