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Luda [366]
3 years ago
7

Two boats started to move towards each other from two docks, located 30 miles apart. One boat moved at a speed of 3 miles per ho

ur, the other moved twice as fast. How soon will the boats meet?
Mathematics
1 answer:
blagie [28]3 years ago
5 0

Answer:

3.333 hours

Step-by-step explanation:

Given the total distance is 30 miles, and boat 1 travels at 3 mph and boat 2 travels at 6 mph, and the time for both is the same. Distance is speed S times time T so

30 = D(boat 1) + D(boat 2)

30 = (S1 * T) + (S2 * T)

30 = 3T + 6T

30 = 9T

3.333 = T

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The graph below represents the dimensions of a rectangle. What type of variation do the adjacent side lengths exhibit?
schepotkina [342]
The answer is b because if you look there is no Direct variation
4 0
4 years ago
Read 2 more answers
Help me with this!!!!
sdas [7]

Answer:

IJ = 34

Step-by-step explanation:

Since HK = JK, then IK is a perpendicular bisector and Δ is isosceles, then

IJ = HI , that is

2s = s + 17 ( subtract s from both sides )

s = 17

Then

IJ = 2s = 2 × 17 = 34

7 0
3 years ago
Read 2 more answers
1
lana66690 [7]

Answer:

Choice 1

Step-by-step explanation:

Let‘s go through each answer and analyze a

each.

<u><em>Choice 1</em></u>

<u>Parallel</u> means to lines with the same slope, they never intersect, ever, they always remain next to each other and never touch. This is true for the picture

<u><em>Choice 2</em></u>

<u>Perpendicular</u> means that two lines intersect at a right angle, however upon looking at the picture you can see this is not a right angle, but an acute angle. So it is not perpendicular.

<u><em>Choice 3</em></u>

A <u>Line Segment </u>means a line with dots on either end, symbolizing the end of the line. This is not a line segment because there are arrows on the ends, indicating these lines go on forever. This is not a segment

<u><em>Choice 4</em></u>

We already determined this is neither a segment nor perpendicular so it cannot be this choice

This leaves us with Choice 1.

I hope this helps!

Please give thanks and brainliest!

4 0
3 years ago
Which is the graph for f(x)=3 tothepowerof x? Pls just say the letter, no pictures. I can't see them. For 20 points.
Dafna1 [17]
The answer is D. Trust me
4 0
3 years ago
5x-(5x+3=-1/3(12x+21)​
katrin2010 [14]

Answer: x = -1

Step-by-step explanation:

i assume you mean

5x-(5x+3) = -1/3(12x+21)​

lets start with the left

-(5x+3) can be turnd into -5x-3

now it is

5x-5x-3 and that can be just -3

now lets go to the right and get rid of the 1/3

we see the 3 at the bottom of 1/3, and (12x+21)​ can be factored with 3

so 1/3 x 3(4x+7) is what we get

1/3 x 3 cancels out so we are left with

-3 = (-4x-7)

lets try to get -4x by itself

if you move -4x to the left, turning it into 4x, and move -3 to the right, turning it into 3, you get 4x = -7 +3

-7 +3 = -4

4x = -4

devide by 4

4x/4 = -4/4

x = -1

8 0
3 years ago
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