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4 years ago

What is the answer and the steps to get them.

Mathematics

1 answer:

Georgia [21]4 years ago

6 0

Answer:

on #1 x=2 and y=2

Step-by-step explanation:

a squared + b squared = c squared

2 squared + 2 squared = 4 squared

4 + 4 = 8

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The water level in a port is described by the function y=3.7 Cos(pi(x)/6)+5, where y represents the water level measured

Harrizon [31]

Answer:

the answer would be 3.1 hours.

Step-by-step explanation:

Graph the equation.

Put all the answers in graph like

x=1.6

x=3.1

x=14.4

x=19.6

Now the question asks when the first tide is expected to reach a depth of 12 meters

So put y=12 because y is water level in METERS as it says in the question

and you can clearly see that 3.1 crosses answer.

Here is a photo of the the graph (Desmos)

Good luck on your other work boys!

Edgenuity is trash

7 0

3 years ago

Read 2 more answers

Your parents charge a family ski trip of $3000 on a credit card, the simple interest rate is 20%. The charges are paid after 6 m

torisob [31]

Answer:

$300

Step-by-step explanation:

In this question, we are simply asked to calculate the simple interest on $3000, at a rate of 20% paid after 6 months.

We can do this as follows. Mathematically, it should be remembered that:

S.I = PRT/100

In this case, we lost out the individual values as follows:

P = $3000, R = 20% and T = 6 months = 0.5years, S.I = ?

We substitute the parameters into the equation:

S.I = (3000 * 20 * 0.5)/100 = $300

7 0

3 years ago

Which expression is equivalent to 4(x+2)?<br> 6x<br> 4(x)+4(2)<br> 4x)+4<br> 8x

vlada-n [284]

The expression that is equivalent to 4(x+2) is 4(x)+4(2)

7 0

3 years ago

Read 2 more answers

What is negative 1 equals 5+x/6?

Annette [7]

Hello there,

The equation that is give to us is as follows:

-1 = 5 + $\frac{x}{6}$

In order to solve for x we would first subtract 5 from both sides and then multiply by 6:

-1 -5 = -6 ÷ 6 = -1

This means that x would equal to -1 given the equation above.

Hope I helped,

Amna

5 0

3 years ago

A normal distribution has a mean 20 and standard deviation 5. What is the z score that corresponds to the value x=222

sashaice [31]

Answer: The z score that corresponds to the value x=22 is 0.4 .

Step-by-step explanation:

Given : A normal distribution has a mean 20 and standard deviation 5.

i.e. $\mu=20$

$\sigma=5$

Let x be the random selected variable.

We know that to find the z-score corresponds to the value x is given by :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 22, we have

$z=\dfrac{22-20}{5}=\dfrac{2}{5}\\\\\Rightarrow\ z=0.4$

Hence, the z score that corresponds to the value x=22 is 0.4

5 0

3 years ago