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Ksenya-84 [330]
3 years ago
14

Anthony and Miguel go to the store to purchase some new DVD's. There is an advertisement displayed in the window that states the

y can buy 3 DVD's for $22.50 or 5 DVD's for $37.50.
Is this a proportional relationship? Explain how you know.
Mathematics
1 answer:
inessss [21]3 years ago
5 0

Answer: it is a porportional relationship

Step-by-step explanation: looked it up

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Which property of multiplication is shown below?
Sunny_sXe [5.5K]

Answer:

Commutative property

Step-by-step explanation:

Commutative property: In multiplication, when the order of the two numbers are changed, then it doesnot affect the end result.

8 0
2 years ago
Can someone help me with this? its a relatively simple problem for extra credit in algebra 1.
suter [353]
(2x^2+3x+4)(x^3+4x^2+3x)(x+4)

First use the distributive property for the first two:

(2x^5+8x^4+6x^3+3x^4+12x^3+9^2+4x^3+16x^2+12x)(x+4)

And then combine like terms:

(2x^5+11x^4+22x^3+25x^2+12x)(x+4)

Continue use the distributive property:

(2x^6+11x^5+22x^4+25x^3+12x^2+8x^5+44x^4+88x^3+100x^2+48x)

Continue combine like terms:

(2x^6+19x^5+66x^4+113x^3+112x^2+48x)
And that is your final answer.

Hope that help:)
4 0
3 years ago
The price of a watch was increased by 20% to £144. What was the price before the increase?
hammer [34]

Answer:

120 pounds

Step-by-step explanation:

Since the new cost is 144 pounds and this is 20% more,  this is 120% of the original price. Remember 100+20 = 120. To find the original price set up a proportion with these values:

\frac{144}{x}=\frac{120}{100}

Solve for the original price by cross multiplying numerator with denominator.

x(120) = 144(100)

120x = 14400

x= 120 pounds


6 0
3 years ago
If I get to watch my niece for 82 min. and then watch my little cuz for 67 min., how long do I watch both of them? Please includ
lilavasa [31]

Answer:

2.5 hours roughly (2 hours 29 mins)

6 0
3 years ago
Read 2 more answers
Use Ohm’s law to find the resistance of the light bulb if you had a 20 volt battery and 0.57 amps of current. Show your work for
aleksley [76]
For this case we have the following equation:
 V = I * R
 Where,
 V: voltage
 I: current
 R: resistance
 By clearing R we have:
 R = V / I
 Substituting the values:
 R = (20) / (0.57)
 R = 35.09 Ohms
 Answer:
 
The resistance of the light bulb is:
 
R = 35.09 Ohms
6 0
3 years ago
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