3 years ago

500 Is 10 times as much as?

Mathematics

2 answers:

lutik1710 [3]3 years ago

5 0

The answer to your question is 5,000.

SVEN [57.7K]3 years ago

4 0

∧ω∧The answer is 5,000

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Sum of $1000 was invested for 4 years, and the interest was compounded semiannually. If this sum amounted to $1389.08 in the giv

eduard

The answer is 8%

Compound interest formula is:
A = P(1 + r/n)ⁿˣ
A - the final amount
P - the initial amount
r - interest rate
n - number of compoundings per year
x - time period

We have:
A = <span>$1389.08
P = </span><span>$1000
r = ?
n = 2 (it is semiannual)
x = 4

</span>A = P(1 + r/n)ⁿˣ
1389.08 = 1000(1 + r/2)²*⁴
1389.08 = 1000(1 + r/2)⁸
(1 + r/2)⁸ = 1389.08/1000
(1 + r/2)⁸ = 1.389
$\sqrt[8]{(1 + \frac{r}{2} ) ^{8}} = \sqrt[8]{1.389} \\ 
1 + \frac{r}{2} =1.04 \\ 
 \frac{r}{2} = 1.04-1 \\ 
 \frac{r}{2} = 0.04 \\ 
r = 2*0.04 =0.08$
r = 0.08 = 8/100 = 8%

7 0

3 years ago

Tammy rents an apartment close to her school campus. The amount that she spends on rent is given by the equation r = 355m, where

motikmotik

<span>Tammy rents an apartment close to her school campus. The equation that is given is this one:
r = 355m,
where r is the amount spend on the rent.
m is the number of months.

In order to get the constant proportionality of r to m in this relationship, then we can set a constant k variable.

r = 355 m (k)
k = 1 r / 355 m

1 hour spent, it takes you to spend 355.</span>

4 0

3 years ago

Read 2 more answers

If a ball rolled 1 mile in 1 second what is the speed?

Vedmedyk [2.9K]

Answer:

the speed of ball = 1 mile per second

1 mile / sec

Step-by-step explanation:

cuz speed = distance ÷ time

so speed of ball = 1 mile ÷ 1 sec = 1 mile / sec

4 0