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BigorU [14]
2 years ago
12

Layla is going to invest $5,200 and leave it in an account for 15 years. Assuming the interest is compounded monthly, what inter

est rate, to the nearest tenth of a percent, would be required in order for Layla to end up with $13,800?
Mathematics
1 answer:
AleksandrR [38]2 years ago
4 0

Answer:

6.5%

Step-by-step explanation:

I just know

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A map has a scale of 2 inches = 20 kilometers. If the distance between two cities on the map is 10 inches, what is the actual di
Brilliant_brown [7]
100 kilometers you solve with a proportion 2/20=10/x
2x=200 so x=100
5 0
3 years ago
A certain highway has a 7% grade. how many feet does it rise in a horizontal distance of 1 mile? (1 mile = 5280 feet. round your
pentagon [3]
For this case we have the following relationship:
 (x / 5280) = (7/100)
 From this relationship we must clear the value of x.
 Clearing we have:
 x = (7/100) * (5280)
 Calculating we have:
 x = 0.07 * 5280
 x = 369.6 feet
 Answer:
 
it does rise in a horizontal distance of 1 mile about:
 
x = 369.6 feet
3 0
3 years ago
In the isosceles △ABC m∠ACB=120° and AD is an altitude to leg BC . What is the distance from D to base AB , if CD=4cm?
WITCHER [35]

4sqrt(3)

See the diagram below.

5 0
3 years ago
The coordinates of three vertices of a rectangle are (4,3), (3,0), and (-2,0). what are the coordinates of the fourth vertex?
KATRIN_1 [288]
(-1, 3)
this is because in a coordinate plane, using the coordinates you gave it is the missing vertice is (-1,3)
7 0
3 years ago
−9x+4y=6 9x+5y=−33 ​
blsea [12.9K]

Answer:

{x,y} = {-2,-3}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    -9x + 4y = 6

  [2]    9x + 5y = -33

Graphic Representation of the Equations :

   4y - 9x = 6        5y + 9x = -33  

Solve by Substitution :

// Solve equation [2] for the variable  y  

 

 [2]    5y = -9x - 33

 [2]    y = -9x/5 - 33/5

// Plug this in for variable  y  in equation [1]

  [1]    -9x + 4•(-9x/5-33/5) = 6

  [1]    -81x/5 = 162/5

  [1]    -81x = 162

// Solve equation [1] for the variable  x  

  [1]    81x = - 162  

  [1]    x = - 2  

// By now we know this much :

   x = -2

   y = -9x/5-33/5

// Use the  x  value to solve for  y  

   y = -(9/5)(-2)-33/5 = -3

3 0
3 years ago
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