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denis23 [38]
3 years ago
10

Which situation best represents the equation below? 324-90x=250 A. Jamal has $324 in his bank account. He makes a payment to his

gym every month. If he has payed his gym memeber ship for 5 months, how much is his gym membership per month if he now inly has $250? B. Sergios's parents deposit $90 every week to his checking account. If he started with $324, in how many weeks will Serigo checking account have $250? C. David spent $90 for a shirt and pants. If he only had $324, how much money will be left in his bank account? D. John has $324 in his bank account. He withdraws $90 each week. After how many weeks will he have $250 in his bank account?
Mathematics
1 answer:
natima [27]3 years ago
4 0

Answer:

D

Step-by-step explanation:

324 - 90x = 250

John starts with $325, and withdraws (takes out) $90 each week (x represents number of weeks).

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vlada-n [284]
B. Standard form

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6 0
3 years ago
Help need ASAP!! Thanks!! Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangl
Basile [38]

Answer:

The perimeter of rectangle is 18\ cm

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

x=y+5 ----> equation A

120=xy+2x^{2}+2y^{2} ---> equation B (area of the constructed figure)

substitute the equation A in equation B

120=(y+5)y+2(y+5)^{2}+2y^{2}

120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0

using a graphing tool -----> solve the quadratic equation

see the attached figure

The solution is

y=2\ cm

Find the value of x

x=y+5 ----> x=2+5=7\ cm

Find the perimeter of rectangle

P=2(x+y)=2(7+2)=18\ cm

8 0
3 years ago
What is 30% of 30? I don’t know the exact answer so whoever answers first, with the answer you truly think it is, gets brainlies
Snezhnost [94]

The value of 30% of 30 is 9

<h3>How to calculate the percentage of values</h3>

Given the expression

30% of 30

30% can also be written as 30/100 = 0.03

Substitute into the expression

30% of 30

= 0.3 * 30

= 9

Hence the value of 30% of 30 is 9

Larn more on percentages here: brainly.com/question/24304697

6 0
2 years ago
Read 2 more answers
What is the outlier (or outliers) in this data set:
cupoosta [38]
The answer is (30,15)
6 0
3 years ago
Hello please help i’ll give brainliest if you give a correct answer
vodomira [7]

Answer:

D. The equator would become warmer, while the poles become colder

Step-by-step explanation:

So the reason in this is actually due to the fact that the ocean currents bring heat from the equator. A study was actually done a bit ago that stated that “Europe would drop 5 to 10 degrees Celcius.“

Source for quote:

https://scied.ucar.edu/learning-zone/climate-change-impacts/melting-arctic-sea-ice-and-ocean-currents

Also this is more of a science question in my opinion LOL.  

6 0
3 years ago
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