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daser333 [38]
3 years ago
10

The original value of an investment is $1400, and the value increases by 9%each year. Write am exponential growth function to mo

del this situation. Then find the value of tje investment after 25 years
Mathematics
1 answer:
VMariaS [17]3 years ago
7 0
Let us create a model from the formula P(t) = P_0e^(kt).

P_0 = initial value

k = growth rate per year

t = time in years

Here is the model needed:

P(t) = 1400e^(25)(0.09).



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What is the slope intercept form of the equation y+5= 4(x+8)
hram777 [196]

Answer:

y=4x+27

Step-by-step explanation:

we know that

The equation of the line into slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-intercept

we have

y+5=4(x+8) ----> equation of the line into point slope form

Convert to slope intercept form

Isolate the variable y

Distributed left side

y+5=4x+32

subtract 5 both sides

y=4x+32-5\\ y=4x+27

7 0
3 years ago
what is the sum of the prime numbers of 420 do not repeat any prime factors A 15 B 16 C.17 D. 18 E. 19
Mars2501 [29]

Answer:

C)

Step-by-step explanation:

Prime factorization of 420 = 2 × 2 × 3 × 5 × 7 = 22 × 3 × 5 × 7.

If you take...

2 + 2 + 3 + 5 + 7...

You would get 17.

Hope this helps! :) Good Luck!

<em>-kiniwih426</em>

5 0
3 years ago
Joshua is 1.45 meters tall. At 2 p.m., he measures the length of a tree's shadow to be 31.65 meters. He stands 26.2 meters away
Lena [83]

Answer:

The height of the tree=8.42 m

Step-by-step explanation:

We are given that

Height of Joshua, h=1.45 m

Length of tree's shadow, L=31.65 m

Distance between tree and Joshua=26.2 m

We have to find the height of the tree.

BC=26.2 m

BD=31.65m

CD=BD-BC

CD=31.65-26.2=5.45 m

EC=1.45 m

All right triangles are similar .When two triangles are similar then the ratio of their corresponding sides are equal.

\triangle ABD\sim \triangle ECD

\frac{AB}{EC}=\frac{BD}{CD}

Substitute the values

\frac{AB}{1.45}=\frac{31.65}{5.45}

AB=\frac{31.65\times 1.45}{5.45}

AB=8.42m

Hence, the height of the tree=8.42 m

6 0
3 years ago
Find the value of x.
timofeeve [1]

Answer:

<h3>x = 83°</h3>

Step-by-step explanation:

{x}^{o}  + {75}^{o}  +  {97}^{o}  +  {105}^{o}  =  {360}^{o}  \\  {x}^{o}  +  {277}^{o}  =  {360}^{o}  \\  {x}^{o}  =  {360}^{o}  -  {277}^{o}  \\  {x}^{o}  =  {83}^{o}  \\

7 0
3 years ago
X+2=0 help thanks this is hard
djyliett [7]
-2+2=0

I hope I helped
8 0
3 years ago
Read 2 more answers
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