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dedylja [7]
3 years ago
6

Find the missing number. n − 9.01 = 3.86 n = ?

Mathematics
2 answers:
PIT_PIT [208]3 years ago
4 0

Answer & Step-by-step explanation:

n - 9.01 = 3.86

Add 9.01 to both sides of the equation.

n = 12.87

So, the value of n is 12.87

aleksandr82 [10.1K]3 years ago
3 0
I think the missing number should be
12.87
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Phyllis invested 800 dollars into two different accounts, a portion earning a yearly interest rate of
Nitella [24]

The amount of money that Phyllis invested at each given rate of 4 and 6 percent is = $394.57 and $591.86 respectively.

<h3>Calculation of the total capital invested</h3>

The time the investment lasted= 12 years.

Simple interest = 1579.05 - 800= $779.05

The principal capital= $800

Rate of the both capital invested;

= SI × 100/P ×T

= 779.05 × 100/800 × 12

= 77,905/9600

= 8.11%

To find the amount of money that Phyllis invested at each given rate,

Rate 1 = 4/8.11× 800

= 3200/8.11

= $394.57

Rate 2 = 6/8.11× 800

= 4800/8.11

= $591.86

The amount of money that Phyllis invested at each given rate of 4 and 6 percent is = $394.57 and $591.86 respectively.

Learn more about simple interest here:

brainly.com/question/20690803

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7 0
1 year ago
Help with sons homework
Artemon [7]

Answer:

5. Read below

6 . A

Step-by-step explanation:

6. Meaning 8 x 6 = 48

for 5 add the people that ate pasta and chicken.

Subtract that total from 270.

5 0
2 years ago
Please help! Do you know the answer<br>​
azamat

Answer:

x = 9

Step-by-step explanation:

y = 2/3x - 6

If the y point is 0, then plug that number into the equation and solve for x.

0 = 2/3x - 6

Add 6 to both sides of the equation.

6 + 0 = 2/3x - 6 + 6  or  6 = 2/3x

Multiply both sides by 3.

3 x 6 = 2/3x x 3   or 18 = 2x

Divide both sides by 2

18/2 = 2x / 2   or 9 = x

5 0
3 years ago
What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 12 - x2? (4 points)
wolverine [178]

Answer: 16 square units

Step-by-step explanation:

let the vertex in quadrant I be (x,y)  

then the vertex in quadratnt II is (-x,y)  

base of the rectangle = 2x  

height of the rectangle = y  

Area = xy  

= x(12 - x²)  

= -x³ + 12x  

d(area)/dx = 3x² - 12 = 0 for a maximum of area  

3x² = 12  

x² = 4  

x = ±2  

y = 12-4 = 8

So, the largest area = 2 x 8 = 16 square units

7 0
3 years ago
Your new cell phone plan charges $50 per month for 400 minutes of talk time. The plan charges $0.10 for each additional minute y
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B is the answer
8 0
3 years ago
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