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kompoz [17]
2 years ago
8

Which expression is equivalent to -7(v - 3)? --7V + 21 21v 21v - 7 -10v

Mathematics
1 answer:
CaHeK987 [17]2 years ago
5 0

Answer:-7v+21

Step-by-step explanation:

You use the distributive property to get your answer and two negatives gives you a positive

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Write 46 over 74 in simplest form
deff fn [24]
\hbox{The GCF \rightarrow2}

\frac{46\div2}{74\div2}  \\  \\ \bold {\boxed{{\pmb{ \frac{23}{37} }}}}
3 0
3 years ago
A music website charges x dollars for individual songs and y dollars for entire albums. Person A pays $25.92 to download 6 indiv
kati45 [8]
Amount charged for downloading individual songs = x dollars
Amount charged for downloading an entire album = y dollars
In respect to person A:
6x + 2y = 25.92
3x + y = 12.96
y = 12.96 - 3x
In respect to person B:
4x + 3y = 33.93
Putting the value of y from the first equation in the second, we get
4x + 3(12.96 - 3x) = 33.93
4x + 38.88 - 9x = 33.93
- 5x = - 4.95
x = 0.99 dollars
Putting the value of x in the first equation, we get
y = 12.96 - 3x
   = 12.96 - 2.97
   = 9.99 dollars

7 0
3 years ago
On a given day 32 out of 220 people were selected for
Lena [83]

Answer:74

Step-by-step explanation: first you need to find the ratio so divide 220 by 32 to get 6.875 then didvide 510 by that same number and you will get 74. 18181818 but 74 because you can’t have a fraction of a person

7 0
3 years ago
Must a function that is decreasing over a given interval always be negative over that same interval ? Explain
Leno4ka [110]
Check the picture below.

5 0
3 years ago
Read 2 more answers
If you are driving 20 meters per second, what would be the equivalent of that in miles per hour?
melomori [17]

\frac{20 meters}{1 second}  \frac{60 seconds}{1 minute}  \frac{60 minutes}{1 hour}

the fractions are set up so that each unit cancels out until its only meters/hour

you can multiply all the numerators together to get 72000 and all the denominators to get 1

72000 meters/1 hour

72000 meters in 1 hour

hope this helped

8 0
3 years ago
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