Use pic for more info

Use Pic For More Info

Answers

Answer 1

Answer: The answer is D

Step-by-step explanation: Hope that this helps.


Related Questions

Add this expression to make it the shortest way of rewriting it as possible!



(2x + 5y + 8f) + (4x + 6f - 2y)

Answers

The shortest way is 14f + 6x + 3y

Find m∠ABC in the picture. (it's not solving for x.)

Answers

Answer:

20°

Step-by-step explanation:

180-140=40

1/2 of 40=20

Use the Associative Property of Addition to write an expression equivalent to (u + 2) + 8.
Which expression is equivalent to (u + 2) + 8 by the Associative Property of Addition?
OA. U + 2 + 8
OB. 8+ (u + 2)
OC. (u + 8) + 2
OD. u + (2+8)

Answers

Answer:

D

Step-by-step explanation:

First of, associative property of addition is rearranging the parenthesis and not moving the numbers

A is incorrect because you can not take out the parenthesis in the equation

B is inccorrect because they change the position of the number

C is incorrect because they change the position of number

D is correct. It only change the position of the parenthesis

A group of veterinary researchers plan a study to estimate the average number of enteroliths in horses suffering from them. Previously research has shown the variability in the number to be σ = 2. The researchers wish the margin of error to be no larger than 0.5 for a 99% confidence interval. To obtain such a margin of error the researchers need at least:
A. 53 observations.
B. 107 observations.
C. 106 observations.
D. 54 observations.
2.

A group of veterinary researchers plan a study to estimate the average number of enteroliths in horses suffering from them. The number of enteroliths is determined by surgery or ultrasound. This requires the participation of a radiologist and a surgeon in the study. The researchers decide that they should only enroll horses seen at the best veterinary hospital in the country to ensure correct counts. Such a hospital will typically see the most severe cases. The researchers will enroll the first 100 horses seen beginning on the day the study is funded. The resulting interval is likely biased because:
A. the first 100 horses seen is not an SRS of all horses with enteroliths and therefore never representative.
B. a sample of 100 horses is too small to obtain an unbiased estimate.
C. the best veterinary hospital is likely to see the most severe cases with larger number of enteroliths.
D. All of the above

3.

A group of veterinary researchers plan a study to estimate the average number of enteroliths in horses suffering from them. The number of enteroliths is determined by surgery or ultrasound. This requires the participation of a radiologist and a surgeon in the study. The researchers decide that they should only enroll horses seen at the best veterinary hospital in the country to ensure correct counts. Such a hospital will typically see the most severe cases. The researchers will enroll the first 20 horses seen beginning on the day the study is funded. The researchers will calculate a 95% confidence interval. The procedure is not valid because the:
A. sample size is too small for the central limit theorem to apply.
B. average number is not an integer and does not reflect any actual observation.
C. None of the above. The procedure is valid.
D. data are counts and, therefore, not Normally distributed.

4.

In a test of hypothesis for a mean, which statement is CORRECT?
A. The test requires that the sample mean is normally distributed; this requires that either the population distribution is Normal or the sample size exceeds 30.
B. As long as the population distribution consists only of positive values, sample size does not matter.
C. The population distribution can be any distribution because the sample mean is always Normally distributed.
D. The population must be normal because that is the only case when the sample mean is Normally distributed.

5.

A "false negative," in which no effect is detected when in reality one exists, is an example of:
A. a Type I error.
B. the power of the test.
C. a Type II error.
D. None of the above

Answers

Answer:

1.) 107 observations

2.) the best veterinary hospital is likely to see the most severe cases with larger number of enteroliths

3.) A. sample size is too small for the central limit theorem to apply.

4.) The test requires that the sample mean is normally distributed; this requires that either the population distribution is Normal or the sample size exceeds 30.

5.) a Type I error

Step-by-step explanation:

n = [(Zcritical * σ) ÷ E]²

n = sample size

Zcritical at 99% = 2.58

E = error margin = 0.5

Standard deviation, σ = 2

n = [(2.58 * 2) ÷ 0.5]²

n = [5.16 ÷ 0.5]²

n = (10.32)²

n = 106.5024

n = 107 observations

B.) The thought or decision that the best veterinary hospital is likely to see the most severe cases with larger number of enteroliths will introduce a bias in the study.

C.) For central limit theorem ; sample size must be considerably large ; at least sample size, n ≥ 30

D.) Distribution must be normal it approximately normal, obeying the central limit theorem ; sample size must be considerably large ; at least sample size, n ≥ 30

what is -4m+5=5-4m show all solutions

Answers

Answer:  

m=0

Step-by-step explanation:

How to solve your question 4 +5=5−4

Step 1: Rearrange Terms 4+5=5−4  4+5=−4+5

Step 2 : Subtract 5 from both sides 4+5=−4+5

                                                                   -5         -5

Step 3 : Simplify 4m= -4m

Step 4: Add 4m to both sides of the equation 4m= -4m

                                                                              +4    +4

Step 5:  Simplify 8m=0

m=0

I NEED HELP NOW PLZ!!!

Answers

Answer:

A) P' (0, -9)

Step-by-step explanation:

The answer should be A

Find the measures of all angles and sides help

Answers

Answer:

Step-by-step explanation:

All the angles in a triangle add up to 180 degrees. Both angles are 36 degrees so that's 72 degrees.

Angle L = Angle J (Opposite angles are equal)

Angle L = 98

Angle K + Angle L = 180 (Adjacent angles are supplementary)

Angle K + 98 = 180

Angle K = 180 - 98

Angle K = 82

Angle M  = Angle K (Opposite angles are equal)

Angle M = 82

For f (x) = 2x+1 and g(x) = x2 - 7, find (fºg)(2).

Answers

Answer:

Step-by-step explanation:

Your first step will be to set up the problem:

f(x) - g(x)

Next you will substitute in your values:

(2x + 1) - (x2 - 7)

The easiest way to do the subtraction problems is to distribute your negative into your second set of parenthesis, so your expression would become:

2x + 1 - x2 + 7

Then combine your like terms:

2x - x2 + 8

Lastly put your expression in standard form (highest exponent to lowest)

-x2 + 2x + 8

Hope this helped!

those are currency exchange rates 1 us dollar = 7.76 hk dollars 1 us dollar =1.47 nk dollars work out the value of 1000 hk dollars in nz dollars

Answers

Answer: 1000 HK dollars has the same value as 188.15 NZ dollars.

Step-by-step explanation:

We know that:

1 US dollar = 7.76 HK dollars

1 US dollar = 1.46 NZ dollars.

We have 1000 HK dollars, and we want to know the value in NZ dollars.

First, let's rewrite the 1000 HK dollars in US dollars.

Here we use the relation:

1 US dollar = 7.76 HK dollars

Then:

1 = (1 US dollar/7.76 HK dollars)

Then we can write:

1000 HK = (1000 HK)*1 = (1000 HK)*( (1 US /7.76 HK ))

1000 HK = (1000 HK/7.76 HK)* 1 US = 128.87 US

1000 HK  = 128.87 US

Now we can use the relationship:

1 US =  1.46 NZ

Then:

1 = (1.46 NZ)/(1 US)

So we can rewrite:

128.87 US = (128.87 US)*1 = (128.87 US)*( (1.46 NZ)/(1 US))

128.87 US = (128.87 US/1 US)*1.46 NZ = 188.15 NZ

Then:

1000 HK = 128.87 US = 188.15 NZ

So we can conclude that 1000 HK dollars has the same value as 188.15 NZ dollars.

Graph g(x) = -3(x + 2)2 + 2. Compare the graph to the graph of f(x) = x2. Give me five points that you use to graph g(x). Then describe the transformation from the graph of g to the graph of f. ​

Answers

The answer would be -20 because you add and subtract your numbers to get 20

RANGE IS ANOTHER NAME FOR:

A. Middle

B. Average

C. Most

D. The distance between the biggest and largest numbers in a data set​

Answers

Answer:

D

Step-by-step explanation:

Range is the distance between the biggest and smallest numbers in a set

what is rank correlation?​

Answers

Step-by-step explanation:

it's any of several statistics that measure an ordinal association. Measures the degree of similarity between two rankings.

what is the density of the oak board? it is 5.5 inches wide, 1.5 inches thick and 3 feet long

Answers

multiply 5.5 the width with 1.5 by 3 which gives you 24.75 inches feet long.

5.5 x 1.5 x 3=24.75 that's your answer.

Answer:297 cubic inches, other person is incorrect.




Step-by-step explanation:5.5 inches* 1.5inches * 3 feet
Convert 3 feet to inches and you have 36 inches. So now it becomes 5.5inches*1.5inches*36inches = 297 cubic inches

What are multiple that equal 23

Answers

Answer:

1 x 23 = 23

23 x 1 = 23

Step-by-step explanation:

A multiple is a number times another number.

In this case, we are looking for a number times another number that will equal 23.

1 and 23 are the only numbers that can be multiplied by each other to get 23.

(-18)/(-3) calculate value expression

Answers

Answer:

6

Step-by-step explanation:

PLEASE HELP!!! I WILL GIVE BRAINLIEST

Answers

Answer:x=2y=3

Step-by-step explanation: I did this before

It takes 3 hours 15 minutes to fly from city A
to city B at a constant speed. Find how long
the journey takes if
a) the speed is 1.5 times that of the original
speed and
b) if the speed is three-quarters of the original
speed.

Answers

Answer:

19.5

4555.555555555555 hz

Step-by-step explanation:

Which measurement is equivalent to 1 liter?

Answers

Answer:

4 Metric cups!

Step-by-step explanation:

Using a conversion calculator you find them equal to each other. Hope this is what you needed!

Answer:

1000 cubic centimeters

0.264172 US liquid gallon

Step-by-step explanation:

HELP WITH 8 & 9 PLEASEEEEEE!?!?!?!?!,

Answers

Answer:

8. D

9. C

10.  B. - 50

Step-by-step explanation:

8.y+3 = 1/2 (x+4)

x=-4      y+3=0     y=-3     pass(-4,-3)

9.only C passed the vertical line test

10. a₁ = 4

a₂ = 4-2 = 4 - (2*1) = 2

a₃ = 2-2=0 = 4 - (2*2)

...

a₂₈ = 4 - (2*27) = 4-54 = -50

In the year 2005, a person bought a new car for $24500. For each consecutive year
after that, the value of the car depreciated by 9%. How much would the car be worth
in the year 2008, to the nearest hundred dollars?

Answers

$20090

because, in three years it would have depreciated by 18% (9%*3=18) so you would subtract 18% off of $24500

Answer:

18500

Step-by-step explanation:

Percent decrease:

\text{Multiply by }(1-r)=(1-0.09)=(0.91)

Multiply by (1−r)=(1−0.09)=(0.91)

2005: \color{green}{24500}

2005:24500

2006: \color{green}{24500} (0.91) = \color{blue}{22295}

2006:24500(0.91)=22295

2007: \color{blue}{22295} (0.91) = \color{red}{20288.45}

2007:22295(0.91)=20288.45

2008: \color{red}{20288.45} (0.91) = \color{orange}{18462.49}

2008:20288.45(0.91)=18462.49

\text{Car value in 2008:}

Car value in 2008:

\$18500

$18500

What is the short form of 5000+100​

Answers

Answer:

5000+100=5100 it is short form

Answer:

5 x 10³ + 10²

hope it helps.....

ISF YOU GET IT RIGHT I WILL NAME YOU BRAINLIST.


A sequence can be generated using a, = 60(1/2)"-1. What are the first four terms in the sequence? A 60, 120, 240, 480 B 60, 30, 15, 7.5 C С 60, 120, 180, 240 60, 90, 135, 202.5 ОА B. D​

Answers

Answer:

C

Step-by-step explanation:

You just plug in the # in the sequence you wanna find,

n=1

60((1)/(2))^(1-1) = 60  (1st term)

--

n=2

60((1)/(2))^(2-1) = 30 (2nd term)

--

n=3

60((1)/(2))^(3-1) = 15 (3rd term)

--

n=4

60((1)/(2))^(4-1) = 7.5 (4th term)

ANSWER QUICKLY AND GET 40 POINTS!!

Answers

Answer:

I belibve it's c

Step-by-step explanation:

Answer:

21 savage

Step-by-step explanation:

4/4 pts
***
---the system of simoultanious equation
X+2y+z=6
2x+y+2z=6
X+y+z=5​

Answers

Answer:

The system of equations has no solution.

Step-by-step explanation:

Let the following system of linear equations:

[tex]x +2\cdot y + z = 6[/tex] (1)

[tex]2\cdot x + y + 2\cdot z = 6[/tex] (2)

[tex]x + y + z = 5[/tex] (3)

Since the quantity of equations and variables are the same, there is only one solution to this system. First, we clear [tex]x[/tex] in (3):

[tex]x = 5 - y - z[/tex]

And make substitution both in (1) and (2):

[tex](5-y-z) +2\cdot y + z = 6[/tex]

[tex]2\cdot (5-y-z)+y+2\cdot z = 6[/tex]

[tex]y = 1[/tex] (4)

[tex]y = 4[/tex] (5)

Which lead to a contradiction, since [tex]4\ne 5[/tex]. Therefore, the system of linear equations has no solution.

I need help plz hurry before the time is over plz plz ​

Answers

Answer:

JK

Step-by-step explanation:

As it is shown in the diagram JK is the segment bisector of MN. That means JK cuts MN in half.

3 1/6-2 7/8 what is the snswer

Answers

Answer:

7/24

Step-by-step explanation:

Hope this helps.

Answer pls is mathematically is due today in 1 m

Answers

Answer:

200.96 units^2 or 64π units^2

Step-by-step explanation:

8^2(3.14) = 200.96 units^2 or 64π units^2

(multiplied by 2 to change the radius to diameter)

A 30-foot tree casts a 12-foot shadow as shown in the picture.
30 ft
12
Find the angle of elevation to the nearest tenth.

Answers

Answer:

21.8degrees

Step-by-step explanation:

Given the following

Length of shadow =opposite = 12ft

Height of tree = adjacent = 30ft

Required

angle of elevation

tan theta = opposite/adjacent

tan theta = 12/30

tan theta = 0.4

theta =  21.8degrees

angle of elevation is 21.8degrees

4b + 2b + 1/4 = what

Answers

Answer:

6b+1/4

Step-by-step explanation:

4b+2b+1/4

6b+1/4

cant do anything else because only the b can be added.

I already know the answer but I want to see if people get it right :) will give brainiest to correct answer.

There is a patch of lily pads on a lake. Every day, the patch doubles in size.
If it takes 48 days for the lily pads to cover the entire lake how much days does it take for the lily pads to cover half the lake.

Answers

Answer:

is it 47? I'm not sure

if not can you explain it to me

Answer:

47 days

Step-by-step explanation:

Since the patch of lily pads double each day, the day before day 48 would cover half of the lake.

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