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nlexa [21]
3 years ago
14

Kenny signed up for a new iTunes program. Each day he can download 3 songs. If he downloads 3 songs a day how many will he have

on days 15 and 40??
Mathematics
2 answers:
WARRIOR [948]3 years ago
7 0
In 15 days he would have downloaded 45 songs. In 40 days he would have downloaded 120 songs. 
marysya [2.9K]3 years ago
5 0
He will have 45 songs on Day 15 and 120 songs on Day 40.

Multiply 3 and 15 to get 45.
Multiply 3 and 40 to get 120
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How to know how to do percent of change
IgorC [24]
Work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number then this is a percentage decrease.
4 0
3 years ago
What set of ordered pairs represents y as a function of x?
rusak2 [61]
The set {(1, 2), (2, -3), (3, 4), (4, -5)} represents y as a function of x
Question 2:
The best statement describes the relation is "The relation represents y as a function of x, because each value of x is associated with a single value of y" ⇒ 3rd answer
Question 4:
There are missing options so we can not find the correct answer
Question 5:
The sets {(1 , 1), (2 , 2), (2 , 3)} and {(1, 2), (1, 3), (1, 1)} do not represent y as a function of x ⇒ 1st and 4th answers
Step-by-step explanation:
The relation is a function if each value of x has ONLY one value of y
Ex: The set {(3 , 5) , (-2 , 1) , (4 , 3)} represents y as a function of x because x = 3 has only y = 5, x = -2 has only y = 1, x = 4 has only y = 3
The set {(4 , 5) , (-2 , 1) , (4 , 3)} does not represent y as a function of x because x = 4 has two values of y 5 and 3
3 0
3 years ago
From the diagram, what can you conclude about triangle CAD?
Alex
I cant see the triangle so its kinda hard to know
7 0
3 years ago
At a lunch stand, each hamburger has 50 more calories than each order of fries. If 2 hamburgers and 3 orders of fries have a tot
Vedmedyk [2.9K]

Answer: 960 calories

Step-by-step explanation:

Given

Each hamburger has 50 more calories than each order of fries

Suppose each order of fries has x calories

so, hamburger has x+50 calories

There are total of 1700 calories available. Thus, we can write

\Rightarrow 2(x+50)+3x=1700\\\Rightarrow 2x+3x=1700-100\\\Rightarrow 5x=1600\\\Rightarrow x=320

So, each order of fries has 320 calories

For 3 orders, it is 320\times 3=960 calories

7 0
3 years ago
One side of triangle is half the longest side. The third side is
Keith_Richards [23]
Let S be the first side. 
Longest side is then 2S.
Third side is 2S-10.
Perimeter is sum of all three sides = S+2S+2S-10 = 75
=>
5S-10=75
5S=75+10=85
S=17

Therefore
S=17 is the first side. 
Longest side is then 2S=2*17=34.
Third side is 2S-10=2*17-10=24.
6 0
3 years ago
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