A study of fox rabies in southern Germany gave information about different regions and the occurrence of rabies in each region. A random sample of 16 locations in Region 1 yielded a mean of 4.75 cases of rabies with a standard deviation of 2.8 cases. An independent sample of 15 locations in Region 2 yielded a mean of 3.93 cases with a standard deviation of 2.4 cases. If you want to test whether the average number of rabies cases in Region 1 is greater than the average number of rabies cases in Region 2, which is the appropriate Data Analysis tool

Answer:

dude this is easy

Step-by-step explanation:

all you have to do is multiply; 7x13

in this case it equals 91.

=91

Answer:

Step-by-step explanation:

Bonjour,

2x*3x =6x²

2x* -5 = -10x

-3 * 3x = -9x

-3*-5 = 15

=>

6x² -10x  - 9x +15 = 6x ² -19x  +15

Answer:

6x^2 - 19x + 15.

Step-by-step explanation:

(2x - 3)(3x -5)​

= 2x(3x - 5) - 3(3x - 5)

= 6x^2 - 10x - 9x + 15

= 6x^2 - 19x + 15.

37.5

Hope this helps :T

The expressions equivalent to the given expressions are; (2y+12), 4(y/2+3) and 4(y/2-4+7)

An algebraic expression consists of unknown variables, numbers and arithmetic operators. It does not contain any equality or inequality symbols.

Given an expression, 4(7/8y-4-3/8y+7)

4(7/8y-4-3/8y+7) = 7/2y-16-3/2y+28

= 1/2(7y-32-3y+56)

= 1/2(4y+24)

= 2y+12

or, 4(1/2y+3) or 4(1/2y-4+7)

Hence, The expressions equivalent to the given expressions are; (2y+12), 4(y/2+3) and 4(y/2-4+7)

For more references on expression, click;

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Answer:

On the 10th day, the suit should cost around $11.38.

Step-by-step explanation:

It was a long process. Not sure if it is right because that price drop is very drastic, but these math problems are always extreme. LOL

Good Luck!!

Answer:

A or 53 squared

Step-by-step explanation:

Answer:

Subtract 6 from both sides of this equation.

Step-by-step explanation:

Answer:

subtract 6 from both sides of the equation.

Answer:

1. 40 2. t/5 = d

Step-by-step explanation:

Every five minutes he travels 1 mile

200/5 = 40

After 200 minutes he travels 40 miles

t/5 = d

Answer:

336cm²

Step-by-step explanation:

14×4×6=336cm²

hope this helps

plz can i get brainliest

Answer:

A

Step-by-step explanation:

AP EX

The transformation of f(x)=sin(x) to g(x)=sin(x-π/4), means that the function f(x) is shifted to the right by (π/4) units.

A function assigns the value of each element of one set to the other specific element of another set.

The transformation of f(x)=sin(x) to g(x)=sin(x-π/4), means that the function f(x) is shifted to the right by (π/4) units.

Learn more about Function:

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Answer:

2/4

Step-by-step explanation:

Answer:

2a

Step-by-step explanation:

1/4(16a - 4b) - (2a - b)

4a - b - (2a - b)

4a - b - 2a + b

2a

Answer:

D

Step-by-step explanation:

y is directly proportional with x with a constant value.

The constant value ＝y ÷ x ＝35÷2.5 ＝14

y＝14x

y＝14×3.25＝45.5

Answer:

6+ x 7=8

Step-by-step explanation:

6 more product of a number and it equals 8

Answer:

38

Step-by-step explanation:

Answer:

Hi, The.

The domain of a function is the set of all possible values for x. The range is all possible values for y.

You should be able to see these pretty easily from the graph. If I understand your function correctly:

f(x) = square root(x+2) - 3

then x cannot be less than -2. Your domain is x > -2. In interval notation [-2,∞)

The lowest value for y is -3 so the range is y > -3. In interval notation [-3,∞)

Hope this helps!

Answer:

2x+y+1=0

Step-by-step explanation:

this is a first degree equation with two unknown variables, x and y. they are referred to as linear equation and are typically represented in slope intercepts form, y=mx+b, where m is the slope of the line and b is the y intercept. So you want to set the equation equal to y by isolating it to one side of the equation.

Subtract all term other than y (in this case, 2x and 1) from both sides of the equation.

2x+y+1-2x-1=0-2x-1

y=-2x-1

Answer:

M=-2 & C=-1

Step-by-step explanation:

2x+y+1=0

The equation of a straight line is given as

y=mx+c

where, m is the gradient slope

c is y- intercept

from the equation 2x+y+1=0

make y subject of the formula

2x+y+1=0

y= -2x-1

Therefore, Slope (M)=-2 & y-intercept (c)=-1

9514 1404 393

Answer:

  72°

Step-by-step explanation:

The external angle E is half the difference of the intercepted arcs.

  44° = (CD -DF)/2

  88° = CD -DF

  DF = CD -88° = 160° -88° = 72°

Answer:

The average yearly replacement cost is approximately $32,211,500

Step-by-step explanation:

 Exponential Distribution

P(X < x) = 1 - e -x/

[tex]P(X < x) = 1 - e^{\dfrac{-x}{\mu}}[/tex]

For the CPU, μ = 3 years

The probability that a CPU fails in less than 1 year is therefore;

P(C) = [tex]P(X < 1) = 1 - e^{\dfrac{-1}{3}} \approx 0.2835[/tex]

For the RAM, μ = 2 years

The probability that a RAM fails in less than 1 year is therefore;

P(R) = [tex]P(X < 1) = 1 - e^{\dfrac{-1}{2}} \approx 0.3935[/tex]

For the hard drive, μ = 5 years

The probability that a hard drive fails in less than 1 year is therefore;

P(H) = [tex]P(X < 1) = 1 - e^{\dfrac{-1}{5}} \approx 0.1813[/tex]

The probability that either a CPU, or a RAM or a hard drive fails in 1 year so that a replacement is required, P(C ∪ R ∪ H), is given as follows;

P(C ∪ R ∪ H) = P(C) + P(R) + P(H) - P(C∩R) - P(C∩H) - P(R∩H) + P(C∩R∩H)

∴ P(C ∪ R ∪ H) = 0.2835 + 0.3935 + 0.1813 - (0.2835 × 0.3935) - (0.2835 × 0.1813) -(0.3935 × 0.1813) + (0.2835 × 0.3935 × 0.1813) ≈ 0.64423

∴ P(C ∪ R ∪ H) ≈ 0.64423

There is a 0.64423 chance that a laptop will require replacement

For 100,000 laptops sold a year and a replacement cost of $500 per laptop, we have;

The average yearly replacement cost, 'Cost' is given as follows;

Cost = 500 × 100,000 × 0.64423 = 32,211,500

The average yearly replacement cost, Cost ≈ $32,211,500

Answer:

b. How to interpret collected data.

Step-by-step explanation:

Answer:

All of the following should be considered when designing a study except __________.

( A.)  the type of research method to use

( B.)  how to interpret collected data (ANSWER)

( C.)  who the participants will be

( D.)  the type of measurement to use

Answer:

Multiply

Step-by-step explanation:

Answer:

There's only one answer, and that's x=0.

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3(3x−1)=6x−3

(3)(3x)+(3)(−1)=6x+−3(Distribute)

9x+−3=6x+−3

9x−3=6x−3

Step 2: Subtract 6x from both sides.

9x−3−6x=6x−3−6x

3x−3=−3

Step 3: Add 3 to both sides.

3x−3+3=−3+3

3x=0

Step 4: Divide both sides by 3.  

[tex]\frac{3x}{3}[/tex]=[tex]\frac{0}{3}[/tex]

x=0

hope this helps

9514 1404 393

Answer:

Step-by-step explanation:

In this isosceles right triangle, the acute angles are equal and the side lengths have the ratios 1 : 1 : √2

  y° = 90° -45° = 45°

  9 : x : z = 1 : 1 : √2 = 9 : 9 : 9√2

  x = 9; z = 9√2

Answer:

4

Step-by-step explanation:

0 is a significant figure and since there are no 0 in the number after the decimal point its 4 significant figures

Answer:

D

Step-by-step explanation:

value of each:

A)  100/1000 + 20/1000 + 8/1000 = 128/1000 = 0.128

B)  3/10 = 0.30

C)  7/100 = 0.07

D)  24/1000 = 0.024

Answer:

here ya go girly

Step-by-step explanation:

I hope it goes well and I hope u get the grade u want :)

Answer:

14.373 inc.sq

Step-by-step explanation:

Here's your solution

=> Area of cone = πr(r + l)

=> π = 3.14

=> radius = 1.9/2 inc

= l = 4.5 inc

=> putting value in formula

=> Area = 3.14*0.95(0.95 + 4.5)

=> Area = 2.983*5.45

=> Area of cone = 14.373 inc.sq

hope it helps

Answer:

The answer is 25 plants because all the frequencies add up to 25. While this graph could represent plants when they’re growing, all bars would be the same length though as all plants would hit a certain height.

B) Interval 150-155 has the highest frequency as 8 plants are 150-155cm.

Step-by-step explanation:

Answer:

Just over 6 pounds each

Step-by-step explanation:

or exactly 6.25 pounds each

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

The estimate weight of each bundle is 6 pounds.

exactly it's 6.25 (bcoz 50 ÷ 8 is 6.25)