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anzhelika [568]
3 years ago
8

Nolan began with $20 in his bank account and spent $2 each day. The line models the amount of money in his bank account. He inco

rrectly wrote an equation for the line in slope intercept form as y equals negative 2x + 10.
What is the correct equation for the line in slope intercept form?

What mistake might Nolan have made?​
Mathematics
1 answer:
tester [92]3 years ago
7 0

Answer:

y=-2x+20

Step-by-step explanation

The slope is determined with the "spent $2 each day" which translates to -2x and the y intercept should be how much money he started with($20). It looks like Nolan divided 20/2 to get 10, which would be how many days until he would have no money. Hope this helps!

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What shape is produced when slicing a right rectangular pyramid perpendicular to the base
vovikov84 [41]

For the most part, the cross-section formed is a <em>trapezoid</em>, but if the slice passes through the apex of the pyramid, that shape is a <em>triangle</em>.

(Image source: MathCaptain.com)

5 0
3 years ago
I NEED HELP FAST ON #6 PLEASE HELP!
Advocard [28]

Answer:

money owed (in order): $850, $870.40, $891.29, $912.68

Step-by-step explanation:

The formula is

money owed = amount owed the previous week + amount owed previous week × interest rate (in decimal form)

so thats:

money owed = amount owed the previous week + amount owed previous week × 0.024

we can simplify that to:

money owed = amount owed the previous week x (1.024)

after 0 weeks:

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after 1 week:

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after 2 weeks:

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after 3 weeks:

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4 0
3 years ago
One number is 7 more 3 times another number. the sum is 75. what is the smaller number
NeTakaya

Greetings from Brasil...

According to the statement of the question, we can assemble the following system of equation

X = 7 + 3Y i

X + Y = 75 ii

So, multiplying ii by -1 and adding with i

X = 7 + 3Y

- X - Y = - 75

- Y = 7 + 3Y - 75

4Y = 68

Y = 17

for X we will use ii:

X + Y = 75

X + 17 = 75

X = 58

The smaller number is: 17

7 0
3 years ago
The median size of a new singlefamily home grew from 1638 ft2 in 1997 to 2067 ft2 in 2008. What is the percent of​ increase?
forsale [732]
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8 0
3 years ago
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Nataly_w [17]

Step-by-step explanation:

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6 0
2 years ago
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