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madam [21]
3 years ago
9

Please I need help

Mathematics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

10

Step-by-step explanation:

From R(-2,4) to S(3,4) is 5 units to the right. Then S(3,4) to T(3, −1) is 5 units down.

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You want $5000 4 years from nowfor a down payment for a car. How much money must be deposited monetly into an account earning 4.
timama [110]

Answer:

$95.5090 must be deposited monthly

Step-by-step explanation:

From the information given:

The annual interest rate (r) = 4.2% = 0.042

Let assume that an amount Y is deposited, then after one month, it will increase to:

Y ( 1+ \dfrac{0.042}{12})

The total amount after 4 years will be:

= Y ( 1+ \dfrac{0.042}{12})^{48}+Y ( 1+ \dfrac{0.042}{12})^{47} +Y ( 1+ \dfrac{0.042}{12})^{46} +...+ Y ( 1+ \dfrac{0.042}{12})

= Y ( 1.0035)^{48}+Y ( 1.0035)^{47} +Y( 1.0035)^{46} +...+ Y( 1.0035)

Using the sum of a geometric progression:

= Y (1.0035) \dfrac{ (1.0035^{48}-1)}{(1.0035-1)}

= Y (1.0035) \dfrac{ (1.0035^{48}-1)}{0.0035}

The above amount is then equal to $5000

i.e

= Y (1.0035) \dfrac{ (1.0035^{48}-1)}{0.0035} = 5000

Y =  \dfrac{5000\times 0.0035}{(1.0035)(1.0035^{48}-1)} \\ \\  \mathbf{Y = \$95.5090}

8 0
3 years ago
Use the points (0, 4) and (-2, 3) to find the slope of the line and give the equation of this line.​
Sauron [17]

Answer:

Choice C:   m=\frac{1}{2}; y=\frac{1}{2} x+4

Step-by-step explanation:

To find your slope do:

\frac{y^2-y^1}{x^2-x^1}

\frac{3-4}{-2-0}=\frac{-1}{-2} =\frac{1}{2}

that's how you get 1/2

4 is just the y-int.

6 0
2 years ago
What is the equation of x
masya89 [10]

Answer:

x=-48/5

Step-by-step explanation:

2x+7+3x=-41

5x+7=-41

5x=-41-7

5x=-48

x=-48/5

3 0
3 years ago
Read 2 more answers
How do you solve multiplying binomials with example: (x+4)^2
salantis [7]
This can be written as (x+4)(x+4)

Multiply everything in the second parenthesis by the x.

x^2 + 4x

Multiply everything in the second parenthesis by 4.

4x + 16

Add these two equations together.

x^2 + 4x + 4x + 16

Combine like terms.

x^2 + 8x + 16

Hope this helps!
8 0
3 years ago
3
Juli2301 [7.4K]
A 4.2%
Explanation: that might be the answer ✌︎☆♪ ٩( ᐛ )و
8 0
2 years ago
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