All categories

4 years ago

After 1 year, $800 deposited in a savings account with simple interest had earned $64 in

Mathematics

1 answer:

stepan [7]4 years ago

7 0

Answer:

Step-by-step explanation:

We will use the equation provided to solve this problem.

$I=Prt$

Lets plug in the values:

$64=800x(1)$ First, divide both sides by 800.

$.08=x(1)$ Multiply x by 1

$x = .08$

Now, we multiply .08 by 100 to get our interest rate:

(.08)100 = 8

The interest rate is 8%

You might be interested in

A fast food restaurant sells two sizes of fries, small and large. On Friday they sold 24 fries

mihalych1998 [28]

Answer:

5:1

Step-by-step explanation:

So, we know that 20 fries were large, and 4 were small. So, we just set it up as 20:4 (for every 20 large fries, there are 4 small ones). However, it needs to be simplified which results in 5:1.

Hope I helped!!

7 0

2 years ago

What is the answer to -x/2+5=-1

podryga [215]

The answer to the problem is x=7. Here is the work:

5 0

3 years ago

A football is kicked and follows the path of a parabola for 8 seconds until it lands.

soldier1979 [14.2K]

At 4 seconds because 4 is the maximum point in the parabola

7 0

3 years ago

Read 2 more answers

Write an equation of the line that passes through the given points. (-1,5) and (2, - 7)

Vanyuwa [196]

Answer:

The equation of the straight line is 4x +y = 1

Step-by-step explanation:

Step(i):-

Given points are (-1,5) and ( 2,-7)

Slope of the line

$m =\frac{y_{2}-y_{1} }{x_{2} -x_{1} } =\frac{-7-5}{2-(-1)} = \frac{-12}{3} = -4$

slope of the line m = -4

Step(ii):-

The equation of the straight line passing through the point (-1,5) and having slope 'm' = -4

$y - y_{1} = m( x-x_{1} )$

y - 5 = -4 ( x-(-1))

y -5 = -4 x -4

4 x + y -5 +4=0

4x +y -1 =0

Final answer:-

The equation of the straight line is 4x +y = 1

6 0

2 years ago

Write 3,905,000 in expanded form.

Damm [24]

Answer:

3,000,000

+ 900,000

+ 0

+ 5,000

+ 0

7 0

3 years ago