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Elena-2011 [213]
3 years ago
13

What's a real-world problem that can be modeled by the equation 1.25 = 0.75x + 50 ?

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0
Well, you could say that you want to buy something for $1.25. Like a game or a toy or something! So you need to have $1.25 in order to get this item. You have $50 in your savings account you make 0.75 an hour. And then x would represent the number of hours you have to work. It doesn't really make sense since if you have 50$ in your savings account then you would be able to buy it automatically but, for the sake of this let's just pretend! I'm pretty sure this example will work! Hope it helped! 
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What is the greatest common factor of the terms in the polynomial 4x^4-32x^3-60x^2?
jonny [76]

Answer:

\mathrm{Factor}\:4x^4-32x^3-60x^2:\quad 4x^2\left(x^2-8x-15\right)\\

\mathrm{Apply\:exponent\:rule}:\quad \:a^{b+c}=a^ba^c\\x^3=xx^2\\x^4=x^2x^2\\=4x^2x^2-32xx^2-60x^2\\\mathrm{Rewrite\:}60\mathrm{\:as\:}4\cdot \:15\\\mathrm{Rewrite\:}32\mathrm{\:as\:}4\cdot \:8\\=4x^2x^2-4\cdot \:8xx^2-4\cdot \:15x^2\\\mathrm{Factor\:out\:common\:term\:}4x^2\\=4x^2\left(x^2-8x-15\right)

<em>Hope this helps and have a great day!!!</em>

<em>Sofia</em>

4 0
3 years ago
Determine the value of y in the proportion 6y−10/5+7y =12 .
ira [324]

its none of them? 6y - 10/5 +7y = 12     10 divided by 5 equals 2

it will now look like this: 6y - 2 + 7y = 12

then your going to want to add 2 to both sides of the equation.

it will now look like this: 6y -2 + 7y + 2 = 12 + 2 = 14

simplify: 6y + 7y = 14

add the like terms: 13y = 14


5 0
3 years ago
Does the point (3 , 4) lie on the line<br>y = 2x -1?​
belka [17]

Answer:

No

Step-by-step explanation:

y = 2x -1

Substitute the point into the equation

4 = 2(3) -1

4 = 6-1

4 =5

This is not a true statement so the point is not on the line

5 0
2 years ago
What is the square root of 57? Help pleaseee
Free_Kalibri [48]

Answer:

7.54983444

Step-by-step explanation:

hope this helps :)

8 0
3 years ago
Raj drove his car 5 times farther than Gary drives his car. Together they drive 624 miles. How many miles does Raj drive?
12345 [234]
Raj drove 124.8 miles
5 0
3 years ago
Read 2 more answers
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