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Hitman42 [59]
3 years ago
15

Help please. thank you

Mathematics
1 answer:
Andru [333]3 years ago
4 0

The 89th day is the answer.

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You deposit $1500 in a stock account. The account starts losing 2.6% interest annually. How must money do you have after 2 years
Serhud [2]

Answer: M(2) = $1500*(1 - 0.026)^2 = $1423.01

Step-by-step explanation:

Initially in the acount there is $1500

You lose a 2.6% (or 0.026 in decimal form) per year, so after the first year you have:

M = $1500 - 0.026*$1500 = $1461

After other year, you lose oter 2.6%

M = $1461 - 0.026*$1461 = $1423.01

The equation can be writen as:

M(t) = $1500*(1 - 0.026)^t

Where t is the number of years, you can use t = 2 and get:

M(2) = $1500*(1 - 0.026)^2 = $1423.01

3 0
3 years ago
Read 2 more answers
A biologist observed a population of bacteria that grew at a rate expressed by the exponential equation
bearhunter [10]

Answer:

<em>It will take 26.34 minutes for the population to reach 5 times its initial value</em>

Step-by-step explanation:

<u>Exponential Growing</u>

The population of bacteria grows at a rate expressed by the equation:

f(t)=256e^{0.06111t}

Where t is in minutes.

We need to know when the population will reach 5 times its initial value. The initial value can be determined by setting t=0:

f(0)=256e^{0.06111\cdot 0}=256\cdot 1=256

Now we find the time when the population is 5*256=1,280. The equation to solve is:

1,280=256e^{0.06111t}

Dividing by 256:

e^{0.06111t}=1,280/256=5

Taking natural logarithms:

ln\left(e^{0.06111t}\right)=ln5

Applying the logarithm properties:

0.06111t=ln5

Solving for t:

t=ln5/0.06111=26.34

It will take 26.34 minutes for the population to reach 5 times its initial value

6 0
4 years ago
The graph of y = 3x2 – 3x – 1 is shown.
likoan [24]

Step-by-step explanation:

the answer is:

<em>0</em>

Explaination:

<em>3</em><em>x</em><em>×</em><em>2</em><em>-</em><em>3</em><em>x</em><em>=</em><em>6</em><em>x</em><em>-</em><em>3</em><em>x</em>

<em>=</em><em>3</em><em>x</em><em>+</em><em>2</em><em>=</em><em>2</em>

<em>3</em><em>x</em><em>=</em><em>2</em><em>-</em><em>2</em>

<em>3</em><em>x</em><em>=</em><em>0</em>

<em>X=</em><em>0</em><em>÷</em><em>3</em><em>=</em><em>0</em>

<em>hope </em><em>it </em><em>helps</em>

6 0
2 years ago
I will give brainliest, help pls! AND EXPLAIN
Lelu [443]

Answer:

3/4 of a yard or 0.75 of a yard for each gift box.

Step-by-step explanation:

15 yards of ribbons

20 gift boxes

20/15 = 0.75

0.75 would be split evenly for all 20.

4 0
3 years ago
Read 2 more answers
Is f(x)= 2x+x+3 a quadratic function?
yaroslaw [1]

Answer:

Step-by-step explanation:

6 0
4 years ago
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