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oksano4ka [1.4K]
3 years ago
8

lucy has $25 in her piggy bank. She plans to add $5 per week until she has a total of $75. (Let your variable be x).

Mathematics
2 answers:
lana66690 [7]3 years ago
7 0

Answer:

75=5x+25

Step-by-step explanation:

kipiarov [429]3 years ago
6 0

Answer:

25 + 5x = 75

x = the number of weeks it takes to reach $75

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Después de 15 meses de haber prestado un capital al 5% de rédito, tengo que pagar de interés Q468.75. ¿Qué capital se ha prestad
Aleonysh [2.5K]

The capital borrowed, or the principal when the interest was Q468.75 is <u>Q7500</u>.

The principal P, amount borrowed, at a certain rate of interest R%, for  a time of T years, giving an interest of I, can be calculated using the formula:

P = (I * 100)/(R * T).

In the question, we are asked to find the capital borrowed, that is, the principal, when the user pays Q468.75 after 15 months at 5% of income.

Thus, Interest (I) = Q468.75, rate of interest (R) = 5%, and time (T) = 15 months = 15/12 years = 1.25 years.

Thus, the principal P, can be calculated by substituting the values in the formula: P = (I * 100)/(R * T).

P = (468.75*100)/(5*1.25),

or, P = 46875/6.25,

or, P = 7500.

Thus, the capital borrowed, or the principal when the interest was Q468.75 is <u>Q7500</u>.

The provided question is in Spanish. The question in English is:

"After 15 months of having borrowed capital at 5% of income, I have to pay Q468.75 in interest. What capital has been borrowed?"

Learn more about Interest at

brainly.com/question/25793394

#SPJ1

5 0
1 year ago
What is the degree of the function f(x)=x⁴-5x+8+x²?​
DENIUS [597]

First put it in decreasing power according to x.

x^4-5x+8+x^2

=x^4+x^2-5x+8

Now this question is asking what is the highest degree of x you see in this function.

4 of course.

Therefore the answer to his question is degree of 4.

Done!

7 0
3 years ago
Which linear system of equations does the matrix represent?<br><br> -3 5 | 15<br> 2 3 | -10
Gre4nikov [31]
Actually the answer is
-3x + 5y = 15
2x + 3y = -10
4 0
3 years ago
the equatiom for the number of pages he has left to read is y=254-40x, where x is the number of hour he reads
Greeley [361]
X is 65 because 65 is great and should always be the answer

8 0
3 years ago
142 is 120% of what number
forsale [732]
142=120% of x
120% of x= 1.2x
142=1.2x
142/1.2 = 1.2x/1.2
x= 118.33

The unknown number should be 118.33, rounded to 118 or so.
5 0
3 years ago
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