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Feliz [49]
2 years ago
8

If the​ principal, interest​ rate, or time in a simple interest problem is​ doubled, and the other two quantities remain​ consta

nt, how does the simple interest amount​ change? Explain.
Choose the correct answer below.
A.
The simple interest amount is found by multiplying the principal and interest rate and dividing by time.​ So, if the principal or interest rate is​ doubled, the interest amount will be doubled. If the time is​ doubled, the interest amount will be halved.
B.
The simple interest amount is found by multiplying the principal and time and dividing by the interest rate.​ So, if the principal or time is​ doubled, the interest amount will be doubled. If the interest rate is​ doubled, the interest amount will be halved.
C.
The simple interest amount is found by multiplying the​ principal, interest​ rate, and time.​ So, if any one of these values is​ doubled, it will cause the interest amount to be doubled.
D.
The simple interest amount is found by multiplying the​ principal, interest​ rate, and time.​ So, if any one of these values is​ doubled, it will cause the interest amount to be quadrupled.
Mathematics
1 answer:
VashaNatasha [74]2 years ago
5 0

In this question we have to find the effect of doubling principal, rate or time .

First we have to check the formula which is

I = P rt

As we see that interest is the product of principal, rate and time. So if any of these three doubles, that is if any of these three is twice of the original value, the interest gets doubled.

SO the correct option is C.

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If x+y=8 and xy =15 find the value of x³+y³.​
alexgriva [62]

Answer:

<h2>152</h2>

Step-by-step explanation:

<h3>let x= 5 and y= 3</h3><h3 /><h3>x + y = 8</h3><h3>5 + 3 = 8</h3><h3 /><h3>xy = 15</h3><h3>5 × 3 = 15</h3><h3 /><h3>x³ + y³ = ?</h3><h3>5³ + 3³ = ?</h3><h3>125 + 27 = 152</h3>

\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}

7 0
3 years ago
A sequence of digits has the property that each pair of successive digits, taken in the order written, forms a decimal numeral r
alex41 [277]

Answer:

Concept: Mathematical Sequences

  1. Let An be 99 a double digit multiple
  2. The sequence is finite.
  3. Finite= restricted and not bounded to positive infinity
  4. By that logic the last possible digit is 999999999999999999999999999999999999999999999
7 0
2 years ago
You can spend at most $20 on tomatoes and red peppers for a soup. Tomatoes cost $2.50 per pound and red peppers cost $4 per poun
Umnica [9.8K]

Answer:

The expression which represents the quantity of tomatoes and red peppers to buy is $ 2.50 × T + $ 4 × R = $ 20

Step-by-step explanation:

Given as :

The total amount spend for soup = $ 20

The cost of Tomatoes = $ 2.50 per pound

The cost of Red peppers = $ 4 per pound

Let the quantity of tomatoes to be bought = T pound

The quantity of red peppers to be bought = R pound

So, According to question

$ 2.50 × T + $ 4 × R = $ 20

I.e The expression which represents the quantity of tomatoes and red peppers to buy is $ 2.50 × T + $ 4 × R = $ 20   . Answer

5 0
3 years ago
Solving a word problem using a two-step med
stepladder [879]

Inequality is 6t  ≤ 44 and Jim can rent a boat for 7.33 hrs or less

<u> Solution:</u>

Given that  

Maximum amount Jim can spend to rent a boat = $34

Rental cost of boat for 1 hour = $6

Also Jim has a discount coupon for $8 off.

Need to determine possible number of hours Jim could rent a boat.

Let’s assume possible number of hours Jim could rent a boat be represented by variable "t"

Cost of renting boat for 1 hour = 6

So Cost of renting a boat for t hours = t x renting boat for 1 hour = t x 6 = 6t

Also Maximum amount Jim can spend to rent a boat = $34

As Jim has a discount coupon for $8 off, so Total amount Jim can spend to rent a boat = $ 34 + $ 8 = $ 44

So cost of renting a boat for t hours must be less that of equal to Total amount Jim can spend to rent a boat

=> 6t  ≤ 44

On solving above equality for "t" we get ,

\begin{array}{l}{t \leq \frac{44}{6}} \\\\ {=>\mathrm{t} \leq 7.3333 \mathrm{hrs}}\end{array}

Hence inequality is  6t  ≤ 44 and Jim can rent a boat for 7.33 hrs or less.

5 0
2 years ago
Solve this equation:<br><br> 110 = 9x + 5y<br><br><br> Help please!!!❤️
Archy [21]

We can't find explicit values for x and y, since there is only one equation, but two variables.


The best we can do is solve for one variable with respect to the other:


Solve for x:


subtract 5y from both sides:


110-5y = 9x


divide both sides by 9:


\frac{110-5y}{9} = x


Solve for y:


subtract 9x from both sides:


110-9x = 5y


divide both sides by 5:


\frac{110-9x}{5} = y



5 0
2 years ago
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