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bija089 [108]
2 years ago
6

Can you help me please?!

Mathematics
1 answer:
babunello [35]2 years ago
8 0

<em>30.) </em><em>d=26</em>

<em>Take the equation</em>

<em>2 x (7 + d)</em>

<em>Now plugin 6 for d</em>

<em>2 x (7 + 6)</em>

<em>2 x (13)</em>

<em>26</em>

<em />

<em>31.) </em><em>c</em>

<em>Take the equation</em>

<em>16b+8/2</em>

<em>Now plugin 4 for b</em>

<em>16(4)+8/2</em>

<em>64+8/2</em>

<em>64+4</em>

<em>68 </em>

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PLS HELP ILL AWARD BRANLIEST
VARVARA [1.3K]

Answer:

Here is the answer to your question it is in this picture

7 0
3 years ago
c) If an initial investment of $ 35,000 grows to $257,000 in 15 years, what annual interest rate, continuously compounded, was e
castortr0y [4]

Answer: 13.29%

Step-by-step explanation:

The formula to calculate the compound amount (compounded continuously) is given by :-

A=Pe^{rt}, where P is the principal amount , r is the rate of interest ( in decimal) and t is the time period.

Given : P= $ 35,000 , A=  $257,000 and t=15 years

To find : r , we substitute all the values in the above formula , we get

257000=(35000)e^{15r}\\\\\Rightarrow\ e^{15r}=\dfrac{257000}{35000}\\\\\Rightarrow\ e^{15r}=7.3428

Taking natural log on both the sides , we get

15r=\ln(7.3428)\\\\\Rightarrow\ 15r=1.9937\\\\\Rightarrow\ r=\dfrac{1.9937}{15}0.132913333333\approx0.1329=13.29\%

Hence, the annual interest rate = 13.29%

6 0
3 years ago
What can probabilities be written as?
vredina [299]

Answer:

Probabilities can be written as fractions, ratios, or as a percentage.

Step-by-step explanation:

If someone asks to flip a coin for heads or tails it has a probability of 1:2, 1/2, or 50% to land on either sides.. They all mean the same value.

6 0
3 years ago
The quotient of ninety five and a number is what
djyliett [7]
This is how you solve it..
95/n=n
You could put 5 in and get 95/5=19.
8 0
3 years ago
A tree DOUBLES in height each year until it reached its maximum height over the course of 10 years. How many years did it take f
RideAnS [48]

Answer:

9 years

the tree doubles in height

we can make a model

1 x 2 = 2

2 x 2 = 4

4 x 2 = 8

8 x 2 = 16

16 x 2 = 32

32 x 2 = 64

64 x 2 = 128

128 x 2 = 256

256 x 2 = 512

512 x 2 = 1024

Let's say 1024 is the maximum height

half the maximum height is 1024 x 0.5 = 512 so it will take 9 years because it reached 512 on the 9th year

Step-by-step explanation:

8 0
3 years ago
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