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Anit [1.1K]
3 years ago
5

HELP I'M REALLY BAD AT MATH! :D

Mathematics
2 answers:
Dmitrij [34]3 years ago
4 0

Answer:

i think 9

Step-by-step explanation:

it is there the most

sergiy2304 [10]3 years ago
3 0

Answer:

I think it's 9.

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Twenty students bought tickets for a school party. All of the money received for these 20 tickets was used to purchase beverages
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87

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3 years ago
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After 1 minute, a submarine had descended to −280 feet. After 9 minutes, the submarine had descended to −360 feet. Assuming a li
adelina 88 [10]

Answer:

the answer is 640

Step-by-step explanation:

-280-360 = 640

d(t)=-360

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A coffee shop orders at most $3,500 worth of coffee and tea. The shop needs to make a profit of at least $1,900 on the order. Th
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Which graph's shaded region represents the possible combinations of coffee and tea for this order?


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3 years ago
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1. Which would be a more helpful for solving the system: adding the two equations or subtracting
ira [324]

Answer:

1) Subtracting one from the other

2) x = 0.375 and y = 0.125

Step-by-step explanation:

Equation 1 :

\frac{2x+1}{2y}=7\\\\

Equation 2:

\frac{6x-1}{2y}=5

To solve these equations by the Elimination method we multiply equation 1 with 6 and multiply equation 2 with 2 so now,

\frac{2x+1}{2y} =7\\\\2x+1=14y\\\\Multiplying\ Equation\ 1\  with\ 6\\\\12x+6=84y

Now for the second equation:

\frac{6x-1}{2y}=5\\\\6x-1=10y\\\\Multiplying\ equation\ 2\ with\ 2 \\\\12x-2=20y

Now subtracting equation 2 from equation 1

12x+6=84y\\\\12x-2=20y\\\\Subtracting\ leads\ to\\12x-12x+6-(-2)=84y-20y\\0+8=64y\\8=64y\\8/64=y\\0.125=y

now insert this value of y into any equation

lets insert it into equation 1

\frac{2x+1}{2y} =7\\\\2x+1=14y\\2x+1=14(0.125)\\2x+1=1.75\\2x=1.75-1\\2x=0.75\\x=0.75/2\\x-0.375

5 0
3 years ago
How are the surface area and volume of a rectangular prism related to each other?
MatroZZZ [7]
The surface area of a rectangular prism is equal to the volume of a rectangular prism on their cooresponding sides.
7 0
3 years ago
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