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Westkost [7]
3 years ago
15

A raft left port A traveling towards port B. At the same time a motorboat left port B traveling towards port A. How many hours s

ince the departure will the two meet if the raft can cover the distance between ports A and B in 30 hours and the boat can cover the same distance in 6 hours?
Mathematics
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

5 Hours

Step-by-step explanation:

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What percent of 50 is 36?
mihalych1998 [28]
50% of 36 means a half of 36 which is 18
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Which equation relates the number of triangles in the figure (n) to the perimeter of the figure (p)
WITCHER [35]

Answer:

Option d is correct.

Equation : P=7n+20.

Explanation;

Given the perimeter of each figure is;

Perimeter of triangle is equal to the sum of all the sides of a triangle.

Perimeter of 1 triangle is 21

Perimeter of 2 triangle is 34 and

Perimeter of 3 triangle is 41

Let n be the number of figure and P be the perimeter of the figure;

the only equation which satisfy the given perimeter is;

P=7n+20

Check:

for n =1 which means 1 triangle then;

P =7n+20 = 7 \cdot 1 +20 = 7+20 = 27

for n = 2 , [ i.e 2 triangle]

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and for n =3 [i.e, 3 triangles]

P =7n+20 = 7 \cdot 3 +20 = 21+20 = 41

Therefore, the equation P =7n+20 relates the number of triangles in the figure(n) to the perimeter of the figure(P).


3 0
3 years ago
If the expression ax(2x + y - 5) simplifies to 6x² +3xy - 15x, what is the value of a?
nata0808 [166]
Since:
ax(2x + y - 5) = 6x^2 +3xy - 15x,

we should factor X out of the second equation to find out the value of a:
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Now that we factored X out, to find a, we need to find the other common factor:

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So 5k-7=-7
You need to do the opposite of addition,which is subtraction so...
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and to double check it,replace the (or variable) with our answer (0)...
so
5×0-7=-7
solve the problem...and
-7=-7√
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3 years ago
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