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Wewaii [24]
3 years ago
9

How many km per hour must you swim if you want to cross a 5km channel in 7 hours

Mathematics
1 answer:
astra-53 [7]3 years ago
5 0
v=\dfrac{s}{t}=\dfrac{5}{7}\;[\dfrac{km}{h}]

Answer: You must swim 5/7 km per hour to cross a 5km channel in 7 hours.
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Which phrase describes the variable expression z+ 8?
a_sh-v [17]

9514 1404 393

Answer:

  A. z increased by 8

Step-by-step explanation:

When a positive value is added, the original value (z) is <em>increased</em>.

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5 0
3 years ago
Number of rides marine can go on ?
saul85 [17]

Answer:

Check step by step explanation

Step-by-step explanation:

a) Let x represent the amount of rides she takes, the 6 and 2.5 represent the amount of money required to enter

A(x) = 1.5x + 6

B(x) = 2x + 2.5

b) You can find this by making the 2 equations equal to each other and solving for x

1.5x + 6 = 2x + 2.5

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c) Plug in 5 for each of the equations and find out which one is cheaper

A(5) = 1.5 * 5 + 6

A(5) = $13.50

B(5) = 2 * 5 + 2.5

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4 0
3 years ago
Find the number in the proportion <br> 2/12=5/x
Sliva [168]

Answer: x = 30

2/12 x 5/x

(Cross Multiply)

2x = 60

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3 0
2 years ago
Please solve<br>x^2+6x+5=0​
Inessa [10]

Answer:

plus the other number and the other one

8 0
2 years ago
Five gerbils cost p dollars. How many dollars will it cost to buy 1 gerbil? How many dollars will it cost to buy g gerbils? How
Fudgin [204]
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g gerbils = pg / 5 dollars

5/p gerbils = 1 dollar
5d/p gerbils = d dollars
4 0
3 years ago
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