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3 years ago

The rate is given as a percent (%). Before using it in the simple interest formula, you must first convert it to a _____.

Mathematics

1 answer:

lana66690 [7]3 years ago

7 0

Answer:

decimal

Step-by-step explanation:

Before using the rate given as a percentage in simple interest formula, you must first convert it to decimal.

This helps in simplifying the work and help the calculation.

Simple interest = $\frac{PRT}{100}$

P is the principal

R is the rate

T is the time

The rate is taken to decimal and inserted into the problem.

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Anthony has a sink that is shaped like a half-sphere. The sink has a volume of 3000

IgorLugansk [536]

Answer:

a) 80
b) 56

Step-by-step explanation:

a) Calculate the volume of the the cup using volume of cylinder equation: $V = \pi r^{2} h$

Where V = Volume, r=radius, and h=height. Your answer should be in cubic inches ( $in^3$ ).
You're given diameter, so use equation $d/2 = r$ to find radius.
Substituting these equations will give you: $V = \pi (d/2)^2 h$
However, the given volume of the sink is 3000 $\pi$ , meaning that you should modify your results to match this value. Do not substitute $\pi$ for 3.14..., leave it as a symbolic value. Your final V of the cup should = 37.5 $\pi$
Divide the volume of the sink by the volume of the cup. This number will be the amount of cups needed to empty it. In equation form:
$Vsink / V cup =$ # of cups.
Note the the $\pi$ will cancel each other out, so there's not need to factor that in.
b) Repeat the steps above with the new d (diameter) value.

5 0

2 years ago

See your levels

tangare [24]

Answer:

$0.79

Step-by-step explanation:

4 x 3 = 12
9.48/12 = 0.79

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7 0

2 years ago

Given: ABCD is a parallelogram and A ABC = ADCB.

Cloud [144]

Answer:

Step-by-step explanation:

Angle ABC is a right angle because all interior angles of a rectangle are right angles.

6 0

2 years ago

A bacterium triples in size every 6 minutes. If you start with 3 bacterium

docker41 [41]

9514 1404 393

Answer:

E none of the above

Step-by-step explanation:

"Triples in size" means the growth factor is 3, so we expect to see that as the base of the exponent. That growth factor applies to a period of 6 minutes, or 1/10 hours. The number of 6-minute intervals in t hours is 10t, so we expect to see that as the exponent. The appropriate model could be written ...

n(t) = 3·3^(10t) . . . . . matches no offered answer choice

5 0

3 years ago

Why is the number that satisfies this equation not a real number?<br> x^2=--1

Yuri [45]

Answer:

I assume that says $x^2=-1$ , but that is the case because when we square a number, we can NEVER get a negative number. The smallest square we can get is 0. 1^2 is 1, and no real number squared gives us a negative number.

Step-by-step explanation:

4 0

3 years ago