The mean mass of a dairy cow is 634.5 kg with a standard deviation of 64.2 kg. A sample of 50 cows is obtained. Find the probability that the mean mass of the sample is at least 640 kg

Answers

Answer 1

Answer:

oh hun is 640kg stupid cow

Step-by-step explanation:


Related Questions

plz help pllzz 35 points

Answers

Answer:

$18 an HOUR

Step-by-step explanation:

Noah earned $232.70 working for 13 hours.

We are trying to find each hour,

We can make this into a FRACTION.

232.70/13 = 1/x

Multiply across,

13x=232.70

232.70/13=17.9

We can round this to $18 :D

HELP QUICK which function has the greater rate of change

Answers

Answer:

Function A i think.....

Step-by-step explanation:

An angle measures 6° more than the measure of its complementary angle. What is the measure of each angle?

Answers

Answer:

42° and 48°

Step-by-step explanation:

Complementary angles add up to 90°.

So we have one angle x and the other angle x+6 which when added together will equal 90°.

x + x + 6 = 90

2x + 6 = 90

      -6    - 6

2x = 84

Divide both sides by 2

2x/2 = 84/2

x = 42

So one angle = 42°, and the other angle = 42° + 6° = 48°.

please expand it
(c-7d)2

Answers

Answer:

c² - 14cd + 49d²

Step-by-step explanation:

Given

(c - 7d)²

= (c - 7d)(c - 7d)

Each term in the second factor is multiplied by each term in the first factor, that is

c(c - 7d) - 7d(c - 7d) ← distribute both parenthesis

= c² - 7cd - 7cd + 49d² ← collect like terms

= c² - 14cd + 49d²

Which of the following is an example of when you would pay sales tax? A) Paid when you buy video games B) Comes out of your paycheck C) Paid when you own a home

HELP PLSSS 50+ POINTSS ASAP

Answers

Answer:A

You would pay sales tax when you buy a video games so A

(not sure but pretty sure)

Step-by-step explanation:

Factor completely x2 - 8x + 16.
(x + 4)(x + 4)
(X - 4)(x - 4)
(X + 4)(x - 4)
(x-2)(x-8).
help​

Answers

I think it’s (x+4)(x+4) hope this helps

Answer:

(x-4)(x-4) is the correct answer!! i got it right

Step-by-step explanation:

The line y = 0.5x + 8 passes through (-10, a) and (-20, b). Find the values of a and b.

Answers

Answer:

Step-by-step explanation:

Write out the equation y = 0.5x + 8.  Now focus on the point (-10, a).  In the given equation, let y = a and x = -10:  a = 0.5(-10) + 8, so that a = 3.

Next, focus on the point (-20, b).  Find b:  In y = -0.5x + 8, replace x with -20 and y with b:  b = 0.5(-20) + 8, or b = -10 + 8, or b = -2

can someone explain this to me

Answers

Answer:

the question is mistyped.. they are trying to ask for the area.. not are.. :P soooo ... to answer the question that is trying to be asked.. and not the one that is being asked.. b/c there isn't really an answer to what is the are.... :/

Step-by-step explanation:

area of a triangle is 1/2 area of the box that the triangle makes 1/2  hmm , hence the fomula.. 1/2*base*height....  b/c base*height is the area for a box... soooo ...

for this triangle it's 1/2* 3 * 4= 6  :)

note: even thou this is not a right triangle.. we still know the height of it.. the graph is showing us that.   so our formula still works... for this one  if we didn't know height.. we might have to use sin() or cos() to figure out height.. but here it's given. luckily  :)

Mr. Majors ordered six hot dogs and a bucket of popcorn at the concession stand. If the popcorn
was $3.20, and the total was $18.20, what was the price of one hot dog?

Answers

Answer:

The cost of one hot dog is $2.50

Step-by-step explanation:

You need to subtract $3.20 from $18.20 to get $15.00. Then you need to divide $15.00 by 6 to get $2.50.

How would you do this type of problem?

Answers

Answer:

You make a table rounding up the times a card was drawn, then find the median. To find the median, find the middle number or the one that appears the most.

The harmonic mean of two positive integers is the reciprocal of the arithmetic mean of their reciprocals. For how many ordered pairs $(x,y)$ of positive integers is the harmonic mean of $x$ and $y$ equal to $20$

Answers

Answer:

  9 ordered pairs

Step-by-step explanation:

The requirement that the harmonic mean of two positive integers be 20 places a restriction on what those integers may be.

  20 = 2/(1/x +1/y)

  y = 10x/(x -10)

Integer values of x that produce integer values of y are ...

  x ∈ {11, 12, 14, 15, 20, 30, 35, 60, 110}

The corresponding 9 ordered pairs are ...

  (11, 110), (12, 60), (14, 35), (15, 30), (20, 20), (30, 15), (35, 14), (60, 12), (110, 11)

Mr. Smith is 81 years older than his grandson, Victor. In 3 years, Mr. Smith will be four times as old as Victor. How old is Victor now?

A) 21 years old

B) 22 years old

C) 24 years old

D) 27 years old

Answers

Answer:

24 yrs old. I hope this is helpful.

pls help this is my last question help!!!!

Answers

$0.21 per inch of brass wire

A rectangle has a length of (2x + 3) cm and a width of (x + 5) cm.

(a) Find an expression for the perimeter of the rectangle.

Answers

Answer:

P = 6x + 16

Step-by-step explanation:

the perimeter (P) of a rectangle is calculated as

P = 2l + 2w ( l is the length and w the width ) , then

P = 2(2x + 3) + 2(x + 5) ← distribute both parenthesis

  = 4x + 6 + 2x + 10 ← collect like terms

  = 6x + 16

this is the answer i do hope u understood it

What is the solution of the proportion 2/3 = x/14 ? Round to the nearest tenth if necessary.

A. 21
B. 2
C. 7
D. 9.3

Answers

Answer:

D. 9.3

Step-by-step explanation:

Answer:

D ( 9.3)

Step-by-step explanation:

2/3 = x/14 -->

14  *2/3 = x -->

28/3 = x -->

9.33.... = x-->

9.3 = x

How many perfect cubes are there between 2 to 200 ?
ANSWER fast

Answers

Answer:

Three

Step-by-step explanation:

The perfect cubes between 2 to 200 are

[tex] {3}^{3} = 27 \\ \\ {4}^{3} = 64 \\ \\ {5}^{3} = 125 \\ [/tex]

Hence, there are only three perfect cubes 27, 64 and 125 between 2 to 200.

Which algebraic property is used to rewrite 2(4y + 1) as (4y + 1)(2)?

Answers

Answer:

Commutative property of multiplication

Step-by-step explanation:

Please help! Thank u so much

Answers

Answer:

x= 11/3

Step-by-step explanation:

6x-8=3+3x

6x-8+8=3+3x+8

6x=3x+11

6x-3x=3x+11-3x

3x=11

3x/3=11/3

x=11/3

A 100 pound person on earth would weigh about 38 pounds on mars and 17 pounds on the moon. What would a 150 pound person on earth

Answers

i got 57 because of you do 100 divided by 38 is 2.6 and then you do 150 by 2.6 and you get 57

a transporter has one lorry and five pickups. the lorry can carry 100 bags of maize while each pickup can carry 20 bags. the transporter has to transport maize to a school. the lorry makes 5trips. two of the pickups make 7 trips each while the rest make 8 trips each. find the number of bags of maize that was transported to the school if each vehicle was full every trip made​

Answers

Answer:

1100 bags, above is the solution to the question

Carlos was given the problem "Evaluate the expression 2x^2 + 5 when x=3." Carlos wrote the answer 41. Was he correct? Explain.

Answers

answer: no he was not correct. the answer is 23.

explanation: when you insert 3 into the problem hince, 2(3)^2 + 5. you will get 2x9+5. 18+5=23

Compare 6 x 10^8 to 3 x 10^6


A) 6 x 10^8 is 2,000 times larger then 3 x 10^6

B)6 x 10^8 is 200 times larger then 3 x 10^6

C)6 x 10^8 is 20 times larger then 3 x 10^6

D)6 x 10^8 is 2 times larger then 3 x 10^6

Answers

The ANSWER is B) 6 x 10^8 is 200 times larger then 3 x 10^6

Answer:

i think B

Step-by-step explanation:

it just seems like the most reliable and best choice

A company produces circular drink coasters. The equation x2 y2 = 18. 0625, with units in inches, represents the size of a coaster. Each coaster is cut from a square piece of cardboard. What is the minimum possible area of each cardboard piece? 4. 25 in2 8. 5 in2 18. 0625 in2 72. 25 in2.

Answers

The minimum possible area of the square cardboard will be given as

[tex]a= 72.2\ in ^2[/tex]

What will be the area of the dashboard?

The area of the square is the product of its two lengths.

We have an equation of the circular drink coaster

[tex]x^2+y^2=18.0625[/tex]

Comparing the above equation from the general form of the circle

[tex]x^2+y^2=r^2[/tex]

We can see that from the equation

[tex]r^2=18.0625[/tex]

[tex]r=4.25\ inch[/tex]

Diameter [tex]d=4.25\times 2=8.50[/tex]

The diameter will be the length of the square since the circle is cut from the square.

So the area of the square will be

[tex]a=d\times d=8.50\times 8.50=72.25\ inch^2[/tex]

Thus  the minimum possible area of the square cardboard will be given as  [tex]a= 72.2\ in ^2[/tex]

To know more about Area follow

https://brainly.com/question/25292087

Hi im gonna use all my points on this

Answers

Answer:

10 bracelets

Step-by-step explanation:

5 feet of yarn is 60 inches of yarn, if each bracelet takes 6 inches of yarn to make, you have to divide 60 by 6 which is 10 bracelets

What is cos 45º?
O A.
1
2
O B. 7 /
O C. 13
1
O D.
E. 1
0
OF A
F. 3

Answers

Answer:

The exact value of cos(45°) is √(2) / 2.

Step-by-step explanation:

Answer:

Answer:√2/2=cos45

2/2×2/2=2/22

1/2

y-2x=6 make y the subject of formula

Answers

Answer:

below...

Step-by-step explanation:

y=2x-6

Hello.

In order to make a variable the subject of a formula, we need to isolate it (get it by itself)

In this case, we need to add 2 to both sides.

[tex]\mathrm{y-2x+2x=6+2x}[/tex]

[tex]\mathrm{y=6+2x}[/tex]

And we're done!

I hope it helps.

Have an outstanding day. :)

[tex]\boxed{imperturbability}[/tex]

Which of the following number lines and solution sets show the values of r that make the inequality -2r+3<9 true

Answers

Answer:

"Solving'' an inequality means finding all of its solutions. A "solution'' of an inequality is a number which when substituted for the variable makes the inequality a true statement. When we substitute 8 for x, the inequality becomes 8-2 > 5. Thus, x=8 is a solution of the inequality.

Step-by-step explanation:

Example 1:

Consider the inequality

displaymath173

The basic strategy for inequalities and equations is the same: isolate x on one side, and put the "other stuff" on the other side. Following this strategy, let's move +5 to the right side. We accomplish this by subtracting 5 on both sides (Rule 1) to obtain

displaymath174

after simplification we obtain

displaymath175

Once we divide by +2 on both sides (Rule 3a), we have succeeded in isolating x on the left:

displaymath176

or simplified,

displaymath177

All real numbers less than 1 solve the inequality. We say that the "set of solutions'' of the inequality consists of all real numbers less than 1. In interval notation, the set of solutions is the interval tex2html_wrap_inline187 .

Example 2:

Find all solutions of the inequality

displaymath189

Let's start by moving the ``5'' to the right side by subtracting 5 on both sides (Rule 1):

displaymath190

or simplified,

displaymath191

How do we get rid of the ``-'' sign in front of x? Just multiply by (-1) on both sides (Rule 3b), changing " tex2html_wrap_inline201 " to " tex2html_wrap_inline203 " along the way:

displaymath192

or simplified

displaymath193

All real numbers greater than or equal to -1 satisfy the inequality. The set of solutions of the inequality is the interval tex2html_wrap_inline205 .

Example 3:

Solve the inequality

displaymath207

Let us simplify first:

displaymath208

There is more than one route to proceed; let's take this one: subtract 2x on both sides (Rule 1).

displaymath209

and simplify:

displaymath210

Next, subtract 9 on both sides (Rule 1):

displaymath211

simplify to obtain

displaymath212

Then, divide by 4 (Rule 3a):

displaymath213

and simplify again:

displaymath214

It looks nicer, if we switch sides (Rule 2).

displaymath215

In interval notation, the set of solutions looks like this: tex2html_wrap_inline227 .

This is the second half of the other paper I showed:)!

Answers

Step-by-step explanation:

for all of it you should do sum of angles in a triangle

ANSWER QUICK PLEASE!!!!

Answers

Answer:

A

Step-by-step explanation:

A would be the answer because The distance you shoot from has no effect on shooting accurcy.

giving brainlist for correct answer. :))

Answers

Answer:

162 cubes

Step-by-step explanation:

The formula for finding the volume of a rectangular prism is length x width x height.

6 x 3 x 4.5 = 81

Since each cube is only half a centimeter, we need to multiply this by two.

81 x 2 = 162 cubes

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