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2 years ago

What property is 15+0=15

Mathematics

2 answers:

Tatiana [17]2 years ago

5 0

Answer: Additive property

Step-by-step explanation:

It is additive property because you are adding the 2 numbers

pishuonlain [190]2 years ago

4 0

I’m pretty sure additive property sorry if i’m wrong :)

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In a fish tank , 8/11 of the fish have a red stripe on them. If 16 of the fish have red stripes, how man total fish are in the t

Basile [38]

Answer:

Step-by-step explanation:

8/11 is equal to x/20

Cross multiply

8 times 16 and 11 times x

128=11x

Divide

Then you get 11/128

Divide and simplify!!

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3 years ago

Round $18.937 to the nearest cent

inysia [295]

It would be $18.94, because the hundredths place is the penny.

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3 years ago

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Differentiating Exponential functions In Exercise,find the derivative of the function. See Example 2 and 3.

nadya68 [22]

Answer:

f'(x) $=2(e^4^x)+(x^2+1)(4e^4^x)$

Step-by-step explanation:

The derivative of the function:

$(x^2+1)e^4^x$

The rule for the product of two functions:

f'(x) $=g'(x)h(x)+g(x)h'(x)$

Therefore

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3 years ago

In a crayon box there are 5 dark colors for every 8 light colors. If there are 20 dark colors, hoW many light colors are there.

Kisachek [45]

Answer:

Step-by-step explanation:

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3 years ago

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Pleasantburg has a population growth model of P(t)=at2+bt+P0 where P0 is the initial population. Suppose that the future populat

Salsk061 [2.6K]

Answer: In June 2097

Step-by-step explanation:

According to the model, to find how many years t should take for $P(t)=21100$ we must solve the equation $0.9t^2+6t+14000=21100$ . Substracting 21100 from both sides, this equation is equivalent to $0.9t^2+6t-7100=0$ .

Using the quadratic formula, the solutions are $t_1= \frac{-6-\sqrt{6^2 -4*0.9*(-7100)}}{2*0.9}=-92.21$ and $t_2=\frac{-6+\sqrt{6^2 -4*0.9*(-7100)}}{2*0.9}=85.54$ . The solution $t_1=-92.21$ can be neglected as the time t is a nonnegative number, therefore $t=t_2=85.54$ .

The value of t is approximately 85 and a half years and the initial time of this model is the January 1, 2012. Adding 85 years to the initial time gives the date January 2097, and finally adding the remaining half year (six months) we conclude that the date is June 2097.

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3 years ago