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8090 [49]
3 years ago
11

A student reading his physics book on a lake dock notices that the distance between two incoming wave crests is about 2.4 m and

he then measures the time of arrival between wave crests to be 1.6 seconds. What is the approximate speed of the waves?​
Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

Answer:

v=2.4/1.6=1.5 m/s

Hope it helps

Have a good day

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Hep me on this please
Alona [7]

Answer:

The answer is 2240m².

Step-by-step explanation:

Given that the formula of area of trapezium is A = 1/2×(a+b)×h where a and b represents the length and h is height :

area =  \frac{1}{2}  \times (a + b) \times h

let \: a = 50 \\ let \: b = 90 \\ let \: h = 32

area =  \frac{1}{2}  \times (50 + 90) \times 32

area =  \frac{1}{2}  \times 140 \times 32

area = 70 \times 32

area = 2240 \:  {m}^{2}

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3 years ago
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What is the greatest common factor of 32,24,40
Mandarinka [93]

The GCF of 24, 32, and 80 must be 8, since it is the largest number common to both lists. Example 1 Find the greatest common factor of each set of numbers by listing factors.
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3 years ago
Your insurance premium is $3400 annually. Your employer pays 80% of the premium. How much will you pay annually?
pochemuha
I think it is 680 if not i am sorry
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3 years ago
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What is 4/15 divided by 2/3?
BaLLatris [955]

Answer: 0.4 or 2/5

Hope it helps!

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3 years ago
2. What is the value of x if the angles<br> within a triangle are 2x +1, 7x-2 and 3x<br> +5?
noname [10]

Answer:

 x=14.67\\°

Step-by-step explanation:

The sum of all the three angles of any triangle is 180°

Putting sum of all the angles given equals to 180°

                      (2x+1)+(7x-2)+(3x+5)=180°

                              2x+7x+3x+1-2+5=180°

                                                         12x+4=180°

                                                                   x=\frac{180-4}{12}

                                                                   x=14.67\\°

The value of the x is found on solving the given angles of the triangles.

8 0
3 years ago
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