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Leviafan [203]
1 year ago
7

Write an arithmetic expression that calculates the yearly interest earned on a amount that's stored in a decimal variable named

principalAmount at an interest rate that's stored in a decimal variable named interestRate. (The interest rate is stored as a decimal fraction like .055 for a rate of 5.5%.)
Mathematics
2 answers:
zalisa [80]1 year ago
7 0

Answer:

yearlyInterest = principalAmount * interestRate * year

Step-by-step explanation:

The general formula for interest is given as:

(principal * rate * time)/100

but in this case the rate has been converted to decimal and the time is in year.

The principal is represented as principalAmount

The rate is represented as interestRate

The time is represented as year

So, the arithmetic expression is to multiply every term together without dividing by 100 since rate is expressed as a decimal fraction.

drek231 [11]1 year ago
5 0

Answer:

Principal Amount x Interest Rate

Step-by-step explanation:

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In the equation "y=m+b," what does the "m" stand for​
Furkat [3]

The m in y=mx+b stands for the slope of the line

Hope this helps!

5 0
2 years ago
Read 2 more answers
The table shows y as a function of x. Suppose a point is added to this table. Which choice gives a point that preserves the func
Hunter-Best [27]

Answer:

<em>A) (-5,7)</em>

Step-by-step explanation:

<u>Functions and Relations</u>

A set of values A can have a relation with another set B as long as at least one element of A has at least one image in B. Functions are special relations where each element of A (the domain of the function) has one and only one image on B (the range of the function).

By looking at the options, we can see that x=9, x=-8, and x=-1 already have defined values in Y, so if we define another value for any of them the relation will stop being a function. The only possible choice to preserve the function is the option

\boxed{A)\ (-5,7)}

8 0
2 years ago
At what rate would you need to invest $12000 and make $2880 after 8 years?
lora16 [44]

Answer:

3\%

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=8\ years\\ P=\$12,000\\I=\$2,880\\r=?

substitute in the formula above

2,880=12,000(8r)

Solve for t

2,880=96,000(r)

r=2,880/96,000

r=0.03

Convert to percent form

0.03*100=3\%

4 0
2 years ago
Twenty-one boys and eight girls go on a camping trip. In how many ways can a group of six be selected to gather firewood, given
lorasvet [3.4K]
(a)  there are 8C2  = 28 ways of picking 2 girls from 8
And there are  21C4  =  5985 ways of picking 4 boys

Required number of ways for 2g / 4b  = 28 * 5985 =  167,580 

(b) at least 2 girls means  combinations of 2g/4b , 3g,3b , 4g/2b , 5g 1b or 
6 girls.

2g/4b  = 167,580 ways
3g/3b =  8C3 * 21C3 =  56 * 1330 = 74,480
4g/2b =  8C4* 21C2  =   70 * 210 = 14,700 
5g 1b = 8C5* 21 =  56*21 = 1176
6 girls  = 8C6 = 28

adding these up we get the answer to (b) which is  257,964

6 0
2 years ago
Answer this:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
blagie [28]
What is the question?
6 0
2 years ago
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