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algol [13]
4 years ago
6

Christopher bought a new watch at the store when they were having a 20% off sale.

Mathematics
1 answer:
vekshin14 years ago
7 0
20%•100x48=9.6
so he payed 48-9.6= 38.4
he payed 38.40$
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5/26
elena-s [515]

k =1.89 is the constant of  proportionality that represents the  relationship between the cost, y, to the  number of pounds of potatoes, x .

<u>Step-by-step explanation:</u>

Here we have , The cost of 2 pounds of potatoes is  $3.78. We need to find  the constant of  proportionality that represents the  relationship between the cost, y, to the  number of pounds of potatoes, x . Let's find out:

Cost is y &  number of pounds of potatoes is x  :

y = (k)x , where k is constant of  proportionality that represents the  relationship between the cost, y, to the  number of pounds of potatoes, x .

⇒ y = (k)x

⇒ 3.78 = (k)2

⇒ \frac{3.78}{2} = \frac{(k)2}{2}

⇒ \frac{3.78}{2} =k

⇒ k =1.89

Therefore, k =1.89 is the constant of  proportionality that represents the  relationship between the cost, y, to the  number of pounds of potatoes, x .

4 0
3 years ago
Ryan is 23 years old he’s 24 years younger than his father, how old is his father?
faltersainse [42]
His father is 47 years old 23+24=47
3 0
3 years ago
Read 2 more answers
Is the following relation a function?<br><br><br> x y<br> 1 4<br> −1 −2<br> 3 10<br> 5 16
Sergio [31]
No , because it doesn’t have a pattern . For example put the numbers in a chart 1+3 = 4 , -1+3 =2 , 3+7=10 , 5+11=16 , there’s no pattern
3 0
3 years ago
Which of the following expressions represents "no more than 5"?
777dan777 [17]

Answer:

Ox>5

x is less than 5

means nothing more than 5 but anything less than 5

5 0
3 years ago
Write all integers between:<br><br>a. -17 and -12<br><br>b. -1 and -6<br><br>​
egoroff_w [7]

Answer:

look at explanation

Step-by-step explanation:

a) -13,-14,-15,-16

b) -2,-3,-4,-5

5 0
2 years ago
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