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Reika [66]
2 years ago
13

In attempting to create a reduced row echelon matrix, DeShawn got the following matri

Mathematics
2 answers:
STatiana [176]2 years ago
6 0

Answer:

is dependent

Step-by-step explanation:

right on edge 2020

Snezhnost [94]2 years ago
6 0

Answer:

1) is dependent

2) is inconsistent

Step-by-step explanation:

edg 2020

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If $4,000 is invested in an account for 25 years. Calculate the total interest earned at the end of 25 years if the interest is:
Scrat [10]

The interest is a) $7000

b) $17709.73

c) $18672.62

d) $18901.67

What is the formula for simple and compound interest?

Simple interest = (P× r× t)

Compound interest = P(1+r/n)^nt - P

We will find the interest as shown below:

P=$4,000

t=25 years

a) r=7%=0.07

Simple interest = (P× r× t)

= (4000×0.07×25)

= $7000

b) r=7%=0.07

Compound interest = P(1+r)^t - P

= 4000(1+0.07)^25-4000

= $17709.73056

rounding to nearest cents

= $17709.73

c) r=7%=0.07

n=4

Compound interest = P(1+r/n)^nt - P

= 4000(1+0.07/4)^(25*4)-4000

= $18672.62375

rounding to nearest cent

= $18672.62

d) r=7%=0.07

n=12

Compound interest = P(1+r/n)^nt - P

= 4000(1+0.07/12)^(25*12)-4000

= $18901.6728

rounding to nearest cent

= $18901.67

Hence, the interest is a) $7000

b) $17709.73

c) $18672.62

d) $18901.67

Learn more about Interest here:

brainly.com/question/21104975

#SPJ1

7 0
2 years ago
Find the length of the third side. If necessary, write in simplest radical form. 9 6 Answer: Submit Answer​
sertanlavr [38]

Answer:

\sqrt{81 - 36}  \\  =  \sqrt{45  }  \\  = 3 \sqrt{5 }  \\  = 6.71

6 0
2 years ago
Luci cuts a board that is 5/9 yard long into pieces that are 5/18 yard long. How many pieces does she cut?
satela [25.4K]

Answer:

2

Step-by-step explanation:

9x2=18

5x2=10

10/18=5/9

10/18 divided by 2 5/18

so its 2

5 0
2 years ago
Suppose that a college student is taking three courses: a two-credit course, a three-credit course, and a four-credit course. Th
forsale [732]

Answer:

The overall expected grade point average for the semester is 3.16/3.1 or 3.2 if you round it up.

Step-by-step explanation:

To get the average, you need to add up all the numbers then divide the sum by how many numbers you added.

3.5 + 3.0 + 3.0 = 9.5

9.5 / 3 = 3.16

4 0
2 years ago
Read 2 more answers
25x^2+1=5 quadratic
Olenka [21]
25x² + 1 = 5

25x² + 1 - 5 = 0

25x²  - 4 = 0          By difference of two squares

(5x)² - (2)² = 0

(5x - 2)(5x + 2) = 0

5x - 2 = 0    or          5x + 2 = 0

5x = 0 + 2                5x = 0 - 2

5x = 2                      5x = -2 

x = 2/5                      x = -2/5

x = 0.4                      x = -0.4 
 

x = + 0.4  or -0.4
3 0
2 years ago
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