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den301095 [7]
3 years ago
14

What is the answer ?

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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What is the answer to this?​
kherson [118]

s = standard version amount

h = high quality version amount

we know that there were 1090 downloads of the song, meaning s + h = 1090.

we also know that the total amount of MBs downloaded was 3353 MBs, and since the standard is 2.1 MBs and the high quality is 4.9MBs, then 2.1s + 4.9h = 3353.

\begin{cases} s+h=1090\\ 2.1s + 4.9h = 3353\\[-0.5em] \hrulefill\\ h = 1090 - s \end{cases}\qquad \stackrel{\textit{substituting on the 2nd equation}}{2.1s+4.9(1090-s) = 3353} \\\\\\ 2.1s + 5341 - 4.9s = 3353\implies -2.8s + 5341 = 3353 \\\\\\ -2.8s=-1988\implies s = \cfrac{-1988}{-2.8}\implies \boxed{s = 710}

7 0
3 years ago
Mr.fields orderd 3 tons of gravel for a driveway at a factory. how many pounds of gravel did he order?
astra-53 [7]
2,000 lb = 1 ton

2,000×3=6,000 lb

Mr.Fields ordered 6,000 pounds of gravel


hope this helped
8 0
3 years ago
Please someone help!
pochemuha
Your answer is 19 5/4
3 0
3 years ago
Read 2 more answers
Paul's Pizzeria sells 45 cheese pizzas and 20 pepperoni pizzas each week. What is the ratio of cheese pizzas to pepperoni pizzas
Papessa [141]
Ratio of cheese to pepperoni...
45 cheese....20 pepperoni.....45/20 reduces to 9/4 or 9:4

little tip ** be careful of the wording of problems such as these.....because if it asked for the ratio of pepperoni to cheese, it would have been 4:9
7 0
3 years ago
Read 2 more answers
A baby who was 18 inches at birth is now 24 inches by what percentage did the babys height increase
Kazeer [188]

Answer:

≈33.3%

Step-by-step explanation:

First we find the difference of the heights to see what the growth was

24-18 = 6

Then we find what percent 6 is of 18 to see what percentage growth occured

6/18 ≈33.3%

8 0
2 years ago
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