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rusak2 [61]
3 years ago
12

Two boats started to move towards each other from two docks, located 30 miles apart. One boat moved at a speed of 2.5 miles per

hour, the other moved twice as fast. How soon will the boats meet?
Mathematics
1 answer:
Vikki [24]3 years ago
8 0

Answer:

They will meet after four hours

Step-by-step explanation:

The boat moving at 2.5 mph will have travelled 10 miles after 4 hrs, and the boat moving at 5 mph will have travelled 20 miles after 4 hrs

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Will mark brainliest for the **CORRECT** answer!
Paraphin [41]

Answer:

4x + 12x = 320

16x = 320

x = 20

Step-by-step explanation:

This is because the diagram shows 4x + 12x and the total being, 320.

4x + 12x = 16x

and 320/16 = 20

so x = 20

hope this helped :)

8 0
3 years ago
-9+5y= -4x<br> -11x= -20+9y
Jlenok [28]

Answer:

-9+5y=-4x

-20+9y=-11x

-4x

+ -11x

_____

-15x

Step-by-step explanation:

i dont really know what i did i kinda just guessed because im not that smart

6 0
3 years ago
Rose, Bette and Cindy equally shared 5 boxes of crayons. Write an equation to show how much each girl got. (each box of crayons
labwork [276]
Since there was five boxes of crayons and there was 3 crayons in each one, the would be 15 in total. (crayons) And there was three people, 15/3=5 crayons per person. 
Equation: 3x=15
x stands for the amount of crayons each person gets.
4 0
3 years ago
Read 2 more answers
Please help !!<br> 12x + 14 = 6x + 7 (+) 9x - 5 find the value of x
Aloiza [94]

Answer:

x=4

Step-by-step explanation:

6 0
3 years ago
How do you solve this ?
saveliy_v [14]

When given a value of the variable, we replace each instance of the variable in the problem with that number. In this case, the expression becomes:


\frac{3^2 + 3}{3 - 1}


After this, we merely need to simplify the answer.


\frac{9 + 3}{3 - 1}


\frac{12}{2}


Simplifying 12/2 gives us the answer 6.

5 0
3 years ago
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