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3 years ago

How much interest will be paid in 1 year for a loan of $4500 at 7 1/2% simple interest?

1 answer:

6 0

The answer is $337.50 paid. We would change 7 1/2% (7.5%) to its decimal form which is .075. Then we would multiply that by $4,500 which would get $337.5 or $337.50 which is the same thing. Hope this helped!

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Taylor opened a savings account with $425. After 2 years, the total interest earned was $10.20. What was the annual interest rat

storchak [24]

Answer:

R = 1.2%

Step-by-step explanation:

Given the following data;

Principal = 425

Time = 2

Simple interest = 10.20

To find the annual interest rate;

Mathematically, simple interest is calculated using this formula;

$S.I = \frac {PRT}{100}$

Where;

S.I is simple interest.
P is the principal.
R is the interest rate.
T is the time.

Substituting into the equation, we have;

$10.20 = \frac {425*R*2}{100}$

$10.20 = \frac {850R}{100}$

Cross-multiplying, we have;

$1020 = 850R$

$R = \frac {1020}{850}$

R = 1.2%

Therefore, the annual interest rate is 1.2 percent.

6 0

3 years ago

A pilot flies on a bearing of 160° for 30 miles. The pilot then executes a quick turn and flies another 15 miles at a bearing of

vivado [14]

Answer: 34.65 miles at an angle of 325.39°

Step-by-step explanation:

Ok, the initial position is (0,0)

Then she flies 30 miles at an angle of 160°, if we count the angle counterclokwise from the x-axis, the new position will be:

p = (30*cos(120°), 30*sin(120°))

Then she travels another 15 miles at an angle of 205°, the new position is:

p = (30*cos(120°) + 15*cos(205°), 30*sin(120°) + 15*sin(205°))

p = (-28.59 , 19.64)

If she now travles X miles at an angle Y, we must have that the final position is the point (0,0)

this means that:

X*cos(Y) = -(-28.59) = 28.59

X*sin(Y) = -19.64

Now, we can find the quotient between those two equations and use that tan(x) = sin(x)/cos(x)

X*(sin(Y))/(X*cos(Y)) = -19.64/28.59

Tg(Y) = -0.69

Y = ATg(-0.69) = -34.61°

If we use only positive angles, this angle is equivalent to:

360° - 34.61° = 325.39°

now lets find the distance:

Xcos(325.39°) = 28.59

X = 28.59/cos(325.39°) = 34.65 miles.

4 0

4 years ago

Find the product (-3) • (1.2) A. 4.5 B. -3.6 C. -4.6 D. 5.3

NikAS [45]

The answer is b -3.6 hope this helps and god bless my friend

4 0

3 years ago

Read 2 more answers

If a car traveling at the constant rate of 67x=y , how far will it have traveled in 8.4 hours ?

lukranit [14]

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3 0

3 years ago

Area of a park is exactly halfway between 2.4 and 2.5 acres, what is the area of the park

vitfil [10]

2.40, 2.41, 2.42, 2.43, 2.44, 2.45, 2.46, 2.47 ,2.48 ,2.49, 2.50

2.45 is area

7 0

3 years ago