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umka2103 [35]
3 years ago
6

PLEASE HELP!!!!!!!!!!!!!!!! 40 points!!!!!!!!!!!!!!!!! Correct answer only!!!!!!!!!!!!!!!!

Mathematics
2 answers:
STALIN [3.7K]3 years ago
7 0

Answer:

The answer is 4.

Step-by-step explanation:

The ratios set up as 2.5/5 = x/8. if you cross multiply you get 20/5x which gives us the answer 4.

ollegr [7]3 years ago
5 0
4 cuppppppppppsssssss
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Combine the like terms: 6xy + 7y + 5x + 9xy
aivan3 [116]

Answer:

I'd say a

Step-by-step explanation:

I got 15xy+7y+5x

7 0
4 years ago
A boat can travel 412 miles on 103 gallons of gasoline. How much gasoline will it need to go 184 miles?
dlinn [17]

Hey there! I'm happy to help!

Let's set this up as a proportion (2 equal ratios).

\frac{miles}{gallons} =\frac{412}{103} =\frac{184}{g}

If you multiply the diagonal numbers, their products will be equal. (412×g=103×184). This is called cross multiplying. Now we can solve for g.

412g=18952

Divide both sides by 412.

g=46

Therefore, the boat will need 46 gallons of gasoline to go 184 miles.

Have a wonderful day! :D

8 0
4 years ago
A wise man once said, “400 reduced by 3 times my age is 163.” What is his age? ( I need the step by step equation to solve this)
Ainat [17]

Answer: the wise man is 79

Step-by-step explanation:

400 - 3x = 163

400–163 =3x

237 = 3x or 3x = 237 or x = 79…

8 0
3 years ago
Please help please please please please
Bess [88]
One dice has 6 sides and two dice will give us 12 sides with 36 possibilities
it will be 9/36=.25

so it will have 25% chance of the two dice to have a sum of 9


5 0
3 years ago
Please assist me with this problem
valentina_108 [34]

Answer:

  x = 192

Step-by-step explanation:

The three right triangles in the figure are all similar, so their sides are proportional.

<h3>Proportion</h3>

The length marked x is the long side of the smallest triangle, and the short side of the middle-size triangle. The long side of the middle-size triangle is ...

  400 -144 = 256

We now have enough information to write the proportion ...

  long side/short side = x/144 = 256/x

Multiplying by 144x gives ...

  x² = (144)(256)

  x = √(144×256) = 12×16 = 192

The length x is 192 units.

4 0
2 years ago
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