Camila is curious about the average length of the female blue whales her organization monitors. She takes a
random sample of 4 female blue whales from this population. Their average recorded length is ő = 78 m and
their standard deviation is 8. = 10 m. The distribution of lengths in the sample is roughly symmetric with no
obvious outliers.
Based on this sample, which of the following is a 95% confidence interval for the mean length (in meters) of
female blue whales?
Choose 1 answer
(46.18, 109.82)
B
(62.09, 93.91)
(66.24, 89.77)

Answer:

3x2-6x+1=0= 7/6

Step-by-step explanation:

3x2-6x+1=0

-6x=-7

than divide each term in -6x=-7 by -6 and simplify

x= 7/6

Answer:

x = 1.816 and 0.1835

Step-by-step explanation:

See attachment.

Answer:

2

Step-by-step explanation:

mode of a dot plot is the value that appears most often in a set of data

Answer:

2 is the mode of this data

Answer:

2.5h + 4 = 12 is your equation

2.5h = 12 - 4

2.5h = 8

h = 8 / 2.5

h = 3.2 hrs

Step-by-step explanation:

Answer:

2.5h + 4 = 12 is your equation

2.5h = 12 - 4

2.5h = 8

h = 8 / 2.5

h = 3.2 hrs

Answer:

3

Step-by-step explanation:

$30 dollars is the principal.

Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. The formula used to calculate percentage is: (value/total value)×100%.

Answer:

A: y= -3/2x+2

B: y= -1/2x-2

Step-by-step explanation:

slope intercept form

y=mx+b

Answer:

27 units

Step-by-step explanation:

To find the volume you do length x width x height. 3 x 3 x 3 is 27.

Answer:

D

Step-by-step explanation:

Additive Inverse Property is the idea that you are adding the same number but positives and negatives of it. So, the correct answer is D.

Hope that helps!

Answer:

it takes José an 1.18181818 hours

Step-by-step explanation:

since d is miles you replace the d in the equation with 100

so: 100=55t

divide both sides by 55

1.18181818=t

The equation which shows how to find the height in inches of based on the screen's width is; h=2w

According to the taks content!

The ratio of the height of the screen to its width is 18:9.

On this note, it follows that;

h/w = 18/9

By making the h the subject of the formula;

h = 18w/9

h = 2w.

Read more on ratios;

https://brainly.com/question/2328454

2,700 yan po ang answer hehe tama yan

Answer:

y=2x+4

Step-by-step explanation:

**Your line isn't clearly shown on point with the grid**

If you want this in the slope-intercept form then here it is:

Slope-intercept formula: y=mx+b

Your coordinates: (-3,2) and (1,10)

To find the slope (which is the "m" in the formula) you need to do this formula:

y2 - y1 / x2 - x1 =

(The 2's and 1's should be subscript)

10-2/1-(-3) = 8/4

8/4=2

The slope should be 2

Formula right now: y=2x+b

You need to find the y-intercept:

That should be a point on the y-axis.

(0,n) **N is used for a variable since we don't have a number yet.

In your coordinate plane, (0,4) is your y-intercept.

When writing the y-intercept in the formula don't write a coordinate write the "y"

Formula: y=2x+4

Answer:

Step-by-step explanation:

Answer:200

Step-by-step explanation:

Answer:

Start with 1st one

Step-by-step explanation:

1-1st one

2-3rd one

3-7th one

4-2nd one

5-6th one

6-4th one

7-5th one

8-8th one

Answer: u said 50

Step-by-step explanation: acd

Answer:

V = 167.55 rounding would be v=168

Step-by-step explanation:

answer is given above..........

Answer:

7 mm

Step-by-step explanation:

Formula

Solving

Answer:

For number 3 it going to be

13.3 mm 16 mm 20.5 mm V = mm 3

And S.A. = A mm? %3D

For number 2 it going to be V= 955.04 sq. yd

TOTAL 428.04 sq.yd

Step-by-step explanation:

Sorry i couldnt do the others but hope this helps with some of the answers

i only did No(2) and No(3)

Answer:

4

Step-by-step explanation:

Here we know that T is the midpoint of SU.

Therefore, we know ST and TU are equal.

Setting their values equal, we get:
x+3 = 4x

Then we isolate x by subracting x from both sides:

3=3x

Finally we divide by 3:

1=x

Now we can solve for TU:

4x= 4(1) = 4

Answer:

A. is 2.

B. is 5.

C. is 1.

D. is 4.

E. is 6.

F. is 3.

Explaination for my answer

Its bascially just rearrange to make x =

The given equation 3(x+10)+6=3(x+12) has infinitely many solutions.

We have the following expression

[tex]3(x+10)+6=3(x+12)[/tex]

We must rewrite both sides of the equation.

For this, we use the distributive property.

A (B + C) = AB + AC

We have then

3(x+10)+6=3(x+12)

Adding like terms we have

3x+30+6=3x+36

3x+36=3x+36

We observe that we have two equal equations.

Therefore, the equations intersect for any value of x.

Therefore, the equation has infinite solutions.

infinitely many solutions.

To learn more about the solution of the equation visit:

https://brainly.com/question/1214333

Answer:

What is the distributive property?

A (B + C) = AB + AC

We have then

3(x+10)+6=3(x+12)

Adding like terms we have

3x+30+6=3x+36

3x+36=3x+36

We observe that we have two equal equations.

Therefore, the equations intersect for any value of x.

Therefore, the equation has infinite solutions.

infinitely many solutions.

Step-by-step explanation:

Answer:

$2.3

Step-by-step explanation:

they bought hot dogs for $6.35

and french fries for. $3.90. +

they got two mugs of tea $1.40

the tax fee. $1.05

=$12.7

:.,total amount $15.00-$12.7=$2.3 remaining

Answer:

its 1/7 because if you have a pizza and you cut it in 3 pieces, it will be bigger than a pizza cut in 4 pieces.

So basically if you buy a pizza and you were originally going to cut it in 3 pieces, but then one of your other friend wants a piece, so now you will have to cut it into 4 pieces which will give you a smaller piece and the same way cutting a pizza into 7 pieces will make it way smaller

so its D

but if you are asking from another point of view than I guess it A

Step-by-step explanation:

Please can I have brainliest

Answer:

Find the cube's volume first (because it's the simplest figure) by using the formula;

(Formula for vol. of cube)

V = [tex]s^{3}[/tex]

Where 's' stands for one side of the cube raised to the power of three.

or

V = w · l · h

Where 'w' stands for the width, 'l' stands for the length, and 'h' stands for the height.

Plug in the values you know since they literally give it to you (I'll be using the formula [tex]s^{3}[/tex]);

V = [tex]s^{3}[/tex]

V = 3^3 → (The symbol ' ^ ' means to the power of.)

V = 27, is the volume of the cube.

Now we find the volume of the pyramid using the formula;

(Formula for vol. of pyramid)

V = (l · w · h) · 1/3

Where 'l' means the length, 'w' the width, and 'h' the height whereas the 1/3 is just dividing the product of those three by 3.

Plug in the values you know using both the lengths from the cube and pyramid.

Length = 3

Width = 3

Height = 3(we won't use)

Height = 4

Use these to figure out the volume for the pyramid.

V = (l · w · h) · 1/3

V = (3 · 3 · 4) · 1/3

V = 36 · 1/3

V = 36/3

V = 12, is the volume of the pyramid.

Add your volumes:-

27(cube vol.) + 12(pyramid vol.)

= 39 is the volume for this whole solid, your answer is D.

The simplified expression of the provided equation in standard form is -2p²-11p-35. Option 1 is the correct option.

Simplified form of an expression is the simplest way of expression the term, by applying the required operations of mathematics.

The expression which is need to be simplified is,

[tex]-2(p +4)^2 - 3 +5p[/tex]

First of all, open the brackets, using the formula of whole square,

[tex]-2(p^2 +16+8p) - 3 +5p\\-2p^2-32-16p-3+5p\\-2p^2-11p-35[/tex]

Hence, the simplified expression of the provided equation in standard form is -2p²-11p-35. Option 1 is the correct option.

Learn more about the simplified form here;

https://brainly.com/question/1597694

Answer: A

Step-by-step explanation:

I did it on edge

Answer:

9.6in

Step-by-step explanation:

I took the test on USATestPrep

Answer:

210.6cm^2

Step-by-step explanation:

1) In the diagram below the shape of the rectangular prism is shown:

where L=7.2, W= 9 and H=4.5

In order to cover only the sides, the area of the front and back faces and the side faces should be added, the top and bottom faces should not be

so the area of front and back faces= 2 (length *width) (multiply by 2 to account for both the front and back face, instead of just one face)

=2(7.2)(9)= 129.6 cm^2

area of side faces: 2(W)(H)=2*9*4.5=81cm^2

129.6cm^2+81cm^2=210.6 cm^2