Find the mean of the weight of rocks: 4 lbs, 6 lbs, 4 lbs, 5 lbs, 9 lbs, 8 lbs
3

Answers

Answer 1

Answer:

5.6 (rounded)

Step-by-step explanation:

add all the numbers, then divide by how many numbers u added :)

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Related Questions

Calcule el décimo termino de una progresión geométrica que Los términos son 32 , 16 , 8 , 4 ................,

Answers

Respuesta:

1/16

Explicación paso a paso:

Dada la secuencia geométrica: 32, 16, 8, 4 ................,

El enésimo término de una progresión geométrica se obtiene mediante la relación:

enésimo término = ar ^ (n-1)

Dónde ; a = primer término = 32; n = enésimo término; r = razón común

r = a2 / a1 = a3 / a2

r = 16/32 = 8/16

r = 1/2

Por lo tanto, el décimo término:

n (10) = 32 * (1/2) ^ (10 - 1)

n (10) = 32 * (1/2) ^ 9

n (10) = 32 * (1/512)

n (10) = 32/512

n (10) = 1/16

Por lo tanto, el décimo término es 1/16

Select the correct answer.
Consider this equation of a parabola.
- 2x2 - 4x + 2y + 8 = 0
What is the equation expressed in vertex form?
O A.
B.
л
y = (x – 4)2 – 20
y = (x + 1)2 – 5
C. y = (1 – 4)2 + 4
OD. y = (x + 1)2 - 1

Answers

Answer:

B

Step-by-step explanation:

In Hillsboro's wig shop, 1/2 of the wigs are blonde and 1/12 of the wigs are brunette. What fraction of the wigs are either blonde or brunette?

Answers

Answer:

7/12

Step-by-step explanation:

So, the probability of picking up a blonde wig = 1/2

The probabiliy of picking up a brunette wig = 1/12

The question asks to find th eprobability of picking up either of these types of wigs =

1/2 + 1/12

= 6/12 + 1/12 ( LCM of 12 and 1 is 12 )

= 7/12

Hope this helps

At a coffee shop, the first 100 customers' orders were as follows.
What is the probability that a customer ordered a small given that he or she ordered a cold drink?
Rounded to the nearest percent

Answers

Answer:

8%

Step-by-step explanation:

Compared to the 1st 100 customers, we know that 8 of the 100 people got small cold drinks. This means the probablility someone would order a small cold drink is 8/100 which is 8 percent.

By the way, can you follow me on Brainly?

Thanks!

Answer:

32%

Step-by-step explanation:

PLEASE HELP FAST! problem is attached as a picture!

Answers

Answer: (4 , 5.5)

Step-by-step explanation: it is 1:3 on the line AB

3.


Identify the mapping diagram that represents the relation and determine whether the relation is a function.

{(–8, –6), (–5, 2), (–8, 1), (7, 3)}

Which of the following is true?

A.
choice b.

B.
choice d.

C.
choice c.

D.
choice a.

Answers

Answer:

Step-by-step explanation:

I dont know sorry

May someone please help me with this :)

Answers

Answer:

[tex]48\pi[/tex]

Step-by-step explanation:

[tex]V=\frac{1}{3}\pi r^2h[/tex]

r  is the radius of the base, h is the height.

[tex]V=\frac{1}{3}\pi (4)^2\cdot 9=48\pi[/tex]

Answer:

The volume is 48pi (in)^3

Step-by-step explanation:

A scientist pours 708 milliliters of a solution into a beaker.There are approximately 236 mililiters in 1 cup. How many ounces of solution did she pour into the beaker

Answers

Answer:

23.94 ounces

Step-by-step explanation:

To determine the ounces poured. Convert, 708 ml to ounces

1 ml = 0.033814 ounces

0.033814 ounces x 708 = 23.94 ounces

Factor the polynomial by its greatest common monomia
365 + 1564 - 1867

Answers

62 for bc you take always the 1867 with the rest

Charles offers 7% over dealer cost on a BMW that has a sticker price of $63,000 and a dealer cost of $56,904

Answers

Answer:

The right solution is "$ 60,887.28". A further explanation is provided below.

Step-by-step explanation:

The given values are:

Sticker price,

= $63,000

Dealer cost,

= $56,904

Offer,

= 7%

Now,

The 7% dealer cost will be:

= [tex]\frac{7}{100}\times 56,904[/tex]

= [tex]3,983.28[/tex] ($)

hence,

Amount offered will be:

= [tex]56,904+3,983.28[/tex]

= [tex]60,887.28[/tex] ($)

A stadium has 500 seats and 5 VIP boxes. The stadium is divided into 25 equal sections: 5 premium sections and 20 standard sections. A seat at the premium section costs $45 per game. A seat at the standard section costs $25 per game.

1. How many seats are there in each section?

Answers

20 seats in each section, divide 500 by 25=20

Drag the dot to plot (-5, -9), and then select its location on the coordinate plane.

Answers

Hope this helps!!!!!!!!

Taylor had a bag of 28 marbles. 5 red, 9 blue, 8 yellow, and 6 black. If Taylor pulled out a yellow one and DID NOT put it back in. What is the
probability of pulling out a blue marble (SIMPLIFY YOUR FRACTION).
Blank 1:
Blank 2:

Answers

Answer: 1/3

Step-by-step explanation:

Number of red marbles = 5

Number of blue marbles = 9

Number of yellow marbles = 8

Number of and black marbles = 6

Total number of marbles = 28

If Taylor pulled out a yellow one and didn't replce it, there'll be 27 marbles left since one has been removed, then the probability of picking blue marbles will be:

= Number of blue marbles / Total marbles

= 9 / 27

= 1/3

The probability of picking a blue marble is 1/3.

Answer equation pls =)
1/4x+32=x+11

Answers

Answer:

1/4x+32=x+11   x=28

Answer:

x=28

Step-by-step explanation:

Write as decimal

    0.25x+32=x+11

Subtract 0.25x from both sides

    32=0.75x+11

Subtract 11 from both sides

    21=0.75x

Divide both sides by 0.75

    x=28

Left with what x equals

Each quadrilateral below is a parallelogram . find the missing measures .

Answers

Answer:

AD = 8

DC = 15

m∠A = 112°

m∠B = 68°

m∠C = °

Step-by-step explanation:

If we're working with parallelograms, we can assume that each line and it's opposite are perfectly parallel.

To find AD, all you need to do is look to the opposite line, BC. Since This is a parallelogram, AD = BC, so AD is 8.

To find DC, you do the exact same. Find the opposite line that it is parallel to, in this case that's AB, and since AB = DC, you know that DC = 15.

To find m∠A, let's look at m∠D. Since m∠D = is 68°, We can use that knowledge to find m∠A. Since the two angles are right beside each other on the same line, together they would equal 180° if you added them up. But since you don't know what m∠A is, you just have to subtract 68 from 180.

180 - 68 = 112.

To find m∠B, We simply look back to m∠D. Since m∠B is directly opposite to m∠D, That means they have the same value, 68°.

And finally, to find m∠C, we do the same thing we did to find m∠B. m∠C is directly across from m∠A - we have already found m∠A, and we know that it is 112°. Therefore, m∠C is 112° as well.

3 times a number is 4 less than the square of that number. Find the negative solution.

Answers

3X=X^2-4
So X=4
Negative -4

Is (4, 3) a solution to the inequality 10x + 2y > 3?

Answers

Answer:

Yes

Step-by-step explanation:

10x + 2y > 3

Substitute the point into the inequality

10(4)+2(3) > 3

40+6>3

46>3

This is a true statement so the point is a solution

Can someone help with question B please it's urgent ​

Answers

Answer:

| B | = - 9

Step-by-step explanation:

The determinant of a 2 by 2 matrix B = [tex]\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right][/tex] is

| B | = ad - bc

Then for

B = [tex]\left[\begin{array}{ccc}0&1\\9&8\\\end{array}\right][/tex]

| B | = (0 × 8 ) - (1 × 9 ) = 0 - 9 = - 9

Can someone please help me with this math problem please:):)

Answers

Answer:

4800cm²

Step-by-step explanation:

20x30x8=4800

4,800 cm just multiply each side and that’s ur answer

What is the answer for 8.7mm and 10mm?

Answers

Answer:

18.7

Step-by-step explanation:

just add them

i really need help i am really bad at math

Answers

The answer to this questions is c

hello, and good morning,
help me plz with.....
what´s √1000×1000=

Answers

Answer:

[tex]\sqrt{1000\times 1000}[/tex]

[tex]=\sqrt{1000^2}[/tex]

[tex]=1000[/tex]

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

Thanks!

Have a great day!!

How do you decide what numbers to use as the numerator and the denominator in each equivalent fraction to the given decimal?

Answers

Answer:

For denominator the number of digits after the decimal are counted to find the multiple of 10s.

The numerator is the decimal number digits with the decimal removed.

Step-by-step explanation:

The given number of the decimal is used as the numerator and the denominator of the decimal always has to be 10 or a multiple of 10 depending on the position of the decimal point.

For example if we have a number 4.3

The numerator will be 43( the decimal is removed) and the denominator will be 10 because in the original decimal number 4.3 the decimal was before only 1 number that is 3.

Now take the example of 4.36

The numerator will be 436 ( the decimal is removed) and the denominator will be 100 ( 10 *10 = 100) because in the original decimal number 4.3 the decimal was before 2 number that is 3 and 6.

so the fraction will be 436/100

Now if we divide 436 by 100 we will get the same answer as the original number

100√436         4.36

        400

          360

          300

            600

          600

          xxx    

The same process is applied to bigger numbers such as 4.365 and so on.

If we have a number 43.6 the numerator will be 436 ( the decimal is removed) and the denominator will be 10 because in the original decimal number 43.6 the decimal was before 1 number that is 6.

so the fraction will be 436/10

If we have a number 436.5  the numerator will be 4365 ( the decimal is removed) and the denominator will be 10 because in the original decimal number 436.5 the decimal was before 1 number that is 5.

so the fraction will be 4365/10

For denominator the number of digits after the decimal are counted to find the multiple of 10s.

The numerator is the decimal number digits with the decimal removed.

Un turista pagó un total de 180 dólares en un hotel. La cuenta incluye el costo de tres noches de hospedaje y 75 dólares de alimentación.
El siguiente procedimiento permite determinar cuántos dólares pagó el turista, por cada noche de hospedaje. 3X+ 75 = 180
3X +75 -75 = 180 – 75
3X = 105
¿Cuál de los siguientes pasos completa correctamente el procedimiento?Single choice.
(10 Points)

3X – 3 = 105 – 3

3X + 3 = 105 + 3

3.(3X) = (3).105

3X/3 = 105/3

Answers

i don’t understand the language so i can’t help sorry

Help me out here please.

Answers

Answer:

just remove the parentheses and add the numbers

Step-by-step explanation:

What is the probability of getting a prime number in a number greater than one on two rolls of a die

Answers

Answer:

a even chance of getting one as even as not

Step-by-step explanation:

hope it helps

Which choice correctly shows the line
y = -x?

Answers

Answer:

B

Step-by-step explanation:

Josh is tiling his swimming pool. What information does Josh need?
A.
the area of a tile and the area of his swimming pool
B.
the volume of a tile and the volume of his swimming pool
C.
the perimeter of a tile and the perimeter of his swimming pool

Answers

He née the perimeter of the tile and the perimeter of the swimming pool

What is ?
A.20º
B.70º
C.90º
D.180º

Answers

Answer:

i think it is 90

Step-by-step explanation:

remember the line is srait

Solve by factoring
x^2-3x+16=7x

Answers

x^2-3x-7x+16=0
x^2-10x+16=0
(x-8)(x-2)=0
x=8 or x=2
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