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2 years ago

What is the length of the diagonal of the square shown below? 5 45° 5 5 90° 5 O A. 5

Mathematics

1 answer:

Tanya [424]2 years ago

4 0

Answer:

E which is 5 * sqrt(2)

Step-by-step explanation:

yeah ya..... right?

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Mai skated miles, and Clare skated 3/5 farther than that. Write an expression for the distance Clare

nexus9112 [7]

5 is the whole so they skated 2/5 less than the original whole

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3 years ago

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I need the answers please help 60points

enyata [817]

In 22, you're looking for the vertical height of the triangle. You're given the angle opposite the side you want to find (which I'll call $x$ ) and the length of the hypotenuse. This sets you up with the relation

$\sin2^\circ=\dfrac x{1600}\implies x\approx55.84\text{ m}$

In 23, you're given a similar situation, except now you're looking for the angle (I'll call it $\theta$ ) in the triangle opposite the side denoting the height of the airplane. So this time,

$\sin\theta=\dfrac{1500}{5000}=\dfrac3{10}\implies\theta=\arcsin\dfrac3{10}\approx17.46^\circ$

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2 years ago

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Find the following values from the information given<br> cot(theta°); tan(theta°) = −0.0005

Greeley [361]

Answer:

cot(θ°) = 2000 radians

Step-by-step explanation:

Data provided in the question:

The value of tan(θ°) = −0.0005

To solve:

cot(θ°)

Now,

we know the relation between cot and tan function as:

cot(θ°) = $\frac{1}{\tan\theta}$

therefore on substituting the value of theta in the above relation, we can find the value of cot(θ°)

Thus,

cot(θ°) = $\frac{1}{-0.0005}$

cot(θ°) = 2000

5 0

2 years ago

I need help with this question

maw [93]

To solve this question we must first find out what is x.

X + x - 4 = 82 degrees

2x - 4 = 82

2x = 86

X = 86/2 = 43.

Here x would be 43 degrees.

We can add up the angles because we know the angle of DAC and the CAB angle add up to give 82 degrees.

8 0

3 years ago

The mean of a data set is equal to 10 and its standard deviation is equal to 1. If we add 5 to each data value, then the mean an

andrey2020 [161]

Let
S = sum of the data values
n = number of data values

The mean M is equal to
M = S/n
since you add up the values and divide by n. We don't need to know what S or n are.

If we add 5 to each data value, then we're adding on n copies of 5, or 5n

The new mean N is

N = (S+5n)/(n)
N = (S/n) + (5n/n)
N = M + 5

The new mean is a result of taking the old mean M and adding on 5

So,
N = M+5
N = 10+5
N = 15

The standard deviation will remain the same because each data value hasn't moved in relation to one another. Every data value has been shifted up the same amount. For instance if A and B are two points in this data set, then A+5 and B+5 will be the same distance away. Apply this logic to any number of data values. While standard deviation isn't that simple, it still has a loose connection to "distance" of the values, or how spread out they are.

So that's why the final answer is choice C)

5 0

2 years ago