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malfutka [58]
2 years ago
13

Can someone help me here and check out the other two i have posted there both due soon and i have no clue how to do them

Mathematics
1 answer:
garik1379 [7]2 years ago
8 0

Answer:

Since the question doesn't mention in what tide the answer should be, I will be giving a solution to both, the high and low tide. Hope this helps :)

Step-by-step explanation:

Using a cosine function, where time is measured in hours past high

tide:  y=4cos30x + 10

Using a cosine function, where time is measured in hours past low

tide:  y = 4cos[30(x-6)]+10

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The slant height is used to find the volume of a square pyramid. true or false
alexandr1967 [171]
The answer is false.

For a square pyramid, the volume is calculated by 1/3*B*h. The height should touch the tip and lie perpendicular to the base. Slant height is used for surface area, not volume.
5 0
2 years ago
Jennifer utilizo 2/7 de metro de cinta para hacer moños para sus primas. Ahora le quedan 10/21 de metro de cinta. ( problema ver
Vikki [24]

Answer:

x = \frac{16}{21}\,m

Step-by-step explanation:

El enunciado pregunta la cantidad inicial de cinta utilizada por Jennifer, la cual es la suma de la porción utilizada y la porción remanente:

x = \frac{2}{7}\,m + \frac{10}{21}\,m

x = \frac{42}{147}\,m + \frac{70}{147}\,m

x = \frac{112}{147}\,m

x = \frac{16}{21}\,m

6 0
2 years ago
If you are in a great deal of debt but want to save for an emergency fund, you should
stepladder [879]
You should do the second one first
5 0
3 years ago
Read 2 more answers
Evaluate this expression for x =4<br><br> 4*(x-2)^2-9
TiliK225 [7]

Answer:

ok so the answer is 1/32 or 0.03125

Step-by-step explanation:

Hope this helped!!

8 0
3 years ago
Look at the expression below.
Usimov [2.4K]

Answer:

B

Step-by-step explanation:

apply difference of two squares

8 0
2 years ago
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