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Sophie [7]
2 years ago
6

Recall information from the previous task. One study of 91 bald eagle eggs found that the eggs had a mean length of 73.6 millime

ters and standard deviation of 2.9 millimeters.
One bald eagle egg was 74.9 millimeters long. The Z-score for this egg was 0.45.

Which statements correctly interpret the Z-score?

Choose two correct answers.


The length of this egg was 0.45 standard deviations above the mean length.

This egg was 0.45 millimeters longer than the mean.

This egg was longer than 45 percent of the eggs in the study.

This egg was longer than the mean by 0.45 standard deviations, or 1.3 millimeters.

The length of this egg was 0.45 times the mean.​
Mathematics
2 answers:
Nitella [24]2 years ago
8 0

Answer:

The person above is right and deserves brainliest.

The length of this egg was 0.45 standard deviations above the mean length.

This egg was longer than the mean by 0.45 standard deviations, or 1.3 millimeters.

(1 & 4)

ED2021

son4ous [18]2 years ago
4 0

Answer:

It’s 1 and 4

Step-by-step explanation:

I did the edge assignment

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How do I do this? Please provide steps.
matrenka [14]

Answer:

3/5

Step-by-step explanation:

Soh Cah Toa

In some trigonometry classes, this acronym is very important to solving questions like this.

Why?

It tells us the right triangle-definition of these trigonometry functions.

We have that cosine of an angle is equal to tge side that is adjacent to it over the hypotenuse.

So here we are asked to find cos(B).

Lets look at triangle respect to the angle B

The measurement of the side that is opposite is 64.

The measurement of the side that is adjacent is 48.

The measurement of the hypotenuse is 80.

So cos(B)=48/80.

Let's reduce. 48 and 80 have a common factor of 8 so divide numerator and dexter by 8. This gives us:

cos(B)=6/10.

One more step in reducing. Both factors are even so cos(B)=3/5.

6 0
3 years ago
This is not a question i just need someone to make sure i did #16 right. Thanks;)
Lapatulllka [165]
I think the length of pool in inches is actually 12*12=144 because there are 12 inches in a foot.
Also, the scale factor would be 144/16 = 9.
5 0
3 years ago
Read 2 more answers
Rocío trabaja en una peluquería, le pagan $50 por corte realizado, adicionalmente recibe $25 al día. Si el día miércoles recibió
skad [1K]

Usando conceptos de funciones lineales, se encuentra que hizo 5 cortes.

----------------

Una funcion lineale tiene el seguiente formato:

y(x) = ax + b

En que:

  • a eres lá inclinacion, o sea, lo que es pago por cada corte.
  • b eres el intercepto, o sea, lo pagamiento fixo por día.

----------------

  • Pagan $50 por corte realizado, o sea, a = 50.
  • $25 fixo al día, o sea, b = 25

Entonces, la funcion de su recibimiento y, como funcion de su numero de cortes x, es da por:

y(x) = 25 + 50x

----------------

  • Recibió $275, o sea, y(x) = 275

Entonces, el numero de cortes es:

y(x) = 25 + 50x

25 + 50x = 275

50x = 250

x = \frac{250}{50}

x = 5

Realizó 5 cortes.

Un problema similar se encuentra en  brainly.com/question/18070326

7 0
3 years ago
Read 2 more answers
Please help with this?
Semmy [17]

Answer: Subtract 3 from each side of the equation(A)

Step-by-step explanation:

3n2−15n=3

1:Subtract 3n2 from both sides.

-15n=3-3n2

2:Divide both sides by -15.

-15n/-15=3-3n2/-15

3:Dividing by −15 undoes the multiplication by −15.

n=3-3n2/-15

4:Divide 3−3n 2 ​ by −15

n=n2-1/5

​

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4 0
2 years ago
Is every square a rectangle true or false
avanturin [10]

true because it has 4 corners.

8 0
3 years ago
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