Using the tree diagram below, what is the probability of getting tails and an even number?

Answer:

[tex]3a - 1[/tex]

Explanation:

[tex] \frac{9a - 3}{3} [/tex]

Factor out 3

[tex] \frac{3(3a - 1)}{3} [/tex]

Cancel out the common factor 3

[tex]3a - 1[/tex]

TRUE statements regarding the transmission of pathogens via environmental surfaces are the statements in option A and B.

Pathogens can be referred to as microscopic organisms which can cause diseases and illness. They are bacteria, fungi, virus or other disease causing organisms.

These pathogens can be transmitted via environmental surfaces especially by coming in contact with contaminated surfaces. Some pathogens survive longer on surfaces, while some only survive for few minutes.

If someone is placed in a room previously occupied by an infected person, the chances of contacting that same disease is high.

Thus, the statements that are TRUE regarding the transmission of pathogens via environmental surfaces are the statements in option A and B.

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By definition, the distance between two points is always positive, so the correct option is D.

Let's say that our plane has rectangular coordinates, so it would be something like a xy-plane.

Each point has 2 coordinates, so we can write:

A = (x₁, y₁)

B = (x₂, y₂)

The distance between the points is given by:

[tex]D = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex]

As you can see, the distance is defined as positive (indifferent of the coordinates of the points).

So the correct option is D, the distance is always positive.

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Answer:

AC is a Side of Traingle .....................

The measure of the side length of AC will be 13 inches

Let the triangle be ABC. Then the perimeter of the triangle will be

Perimeter = AB + BC + CA

Triangle ABC has a perimeter of 40 inches.

The side's lengths are given as AB = 12 inches and BC = 15 inches.

Then the measure of the side length of AC will be

40 = 12 + 15 + AC

40 = 27 + AC

AC = 13 inches

The missing diagram is given below.

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Answer:

G

Step-by-step explanation:

when x = -1 the two equations equal the same thing -2

so they both go thru the point (-1,-2)

Answer:

I can't help sorry which grade ??

879,000 square feet  is the lateral surface area of the pyramid

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

The lateral surface area of a square pyramid can be calculated using the formula L = (1/2)Pl

where P is the perimeter of the base and l is the slant height of the pyramid.

Since the base of the pyramid is a square, the perimeter is 4 times the length of one side, or 4 × 750 = 3000 feet.

To find the slant height, we can use the Pythagorean theorem with one leg equal to half the length of the base (375 feet) and the other leg equal to the height (450 feet):

l =√375² + (450)²

= 583.095 feet

Therefore, the lateral surface area is:

L = (1/2) × 3000 × 583.095

= 879,000 square feet

Hence,879,000 square feet  is the lateral surface area of the pyramid

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Answer:

The answer is 60

Answer:

B

positive times negative equal to negative

(-6)(4) = -24

Answer:

i belive its A if you get it wrong im sorrry

Step-by-step explanation:

Option C is the statement that best describes a problem that occurs when the majority criterion is observed. This is because the majority criterion is a single-winner system.

It is given that all the options except option C are true about the majority criterion.

Option C - "The majority criterion must be used for first place, second place, third place, and so on to be valid" is not correct because this criterion is used only for choosing the first place.

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Answer:

C. 8 x (2 + 9) = (8 x 2) + (8 x 9)

Step-by-step explanation:

Let's solve to see!

Solve using PEMDAS:

Parenthesis

Exponents

Mulitplication/Division (depending on which one comes first - starting from left to right)

Addition/Subtraction (depending on which one comes first - starting from left to right)

A)

3 x (5 + 1) = 3 + (5 x 1) <== parenthesis first

3(6) = 3 + 5 <== multiply and add

18 = 8

False

B)

5 x (2 + 8) = 10 + 8 <== parenthesis first

5(10) = 10 + 8 <== multiply and add

50 = 18

False

C)

8 x (2 + 9) = (8 x 2) + (8 x 9) <== parenthesis first

8(11) = 16 + 72 <== multiply and add

88 = 88

True

D)

4 + (2 + 9) = (4 + 2) + (4 + 9)​ <== parenthesis first

4 + 11 = 6 + 13 <== add

15 = 19

False

Therefore, the correct answer is C.

Hope this helps!

Answer:

I honestly believe it's B I'm sorry if it's wrong

Answer:

$ 6875.05

Step-by-step explanation:

Check out the attached photo

Answer:

  yes, after 52 minutes

Step-by-step explanation:

If t represents the time in minutes each person is working after Sheila arrives, then the number of parts produced is ...

  Eric: 156 +12t

  Sheila: 15t

These values are equal when ...

  156t +12t = 15t . . . . . Eric's part count is equal to Sheila's part count

  156 = 3t . . . . subtract 12t

  52 = t . . . . divide by 3

Sheila will catch up to Joe after 52 minutes.

Answer:

$621

Step-by-step explanation:

To find the total amount they collected, sum the amounts collected in each month.

[tex]\begin{tabular}{c l} & 275\\+ & 210\\+ & 136\\\cline{1-2} & 621\\\cline{1-2} & ^1^1\\\end{tabular}[/tex]

Answer:

Principal is the money that you originally agreed to pay back. Interest is the cost of borrowing the principal.

Step-by-step explanation:

First, calculate the interest portion of the payment by multiplying the mortgage balance by the annual interest rate. Then divide the result by 12, for the number of months in the year:

Answer:

16

Step-by-step explanation:

each activity is worth 4.

Answer:

1/2 feet

Step-by-step explanation:

1/4 of 2 feet is 1/2

There are 1/2 inches long is each Handle.

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

Each Handle is 1/4 the width of the handlebars.

And, Width of Handlebar is 2 ft

Hence, Lenght of each Handle is,

⇒ 1/4 of 2

⇒ 1/4 x 2

⇒ 1/2 feet

Thus, There are 1/2 inches long is each Handle.

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The numbers that the product is 26 and one of the numbers is one larger than six times the other number are 2 and 13.

The product of two numbers is 26.

let the two numbers be x and y.

Therefore,

xy = 26

One of the numbers is one larger than six times the other number. Therefore,

x = 1 + 6y

Hence,

xy = 26

(1 + 6y)y = 26

y + 6y² = 26

6y² + y - 26 = 0

using quadratic formula,

[tex]\frac{-b + \sqrt{b^{2} -4ac } }{2a}[/tex]

where

a = 6

b = 1

c = - 26

Therefore,

y = 2 or - 13 / 6

We can only use the positive value.

Hence,

2x = 26

x = 26 / 2

x = 13

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whenever you see this kind of question you don't need to start doing all the expressions, but look at the first and last numbers of the answer, the ones that cannot be changed (have no x or y or have those that cannot be changed in this expression):

the answer can't be a or c because in the given expression we can find 3x²y² and that's the only number where we can find x²y², so it cannot be changed. (you'll have 3x²y² in the answer)

now let's look at the last digit, that doesn't have a x or a y:

in b and d we can find 2 different results so this can determine which answer is correct:

let's look back at the given expression: -7+4= -3

so the answer is b

Answer:

-18x^2+3x-2/x

Step-by-step explanation:

This type of problem is a permutation problem. Permutation is the arrangement of a set with certain order. In the problem, if there are 9 members, and 3 positions are available without repeating, we can write the expression as 9P3 - 3 non repeating positions in a set of 9 elements. By evaluating, we will have 9! / (9-3)! = 504. The answer is 504.

A polynomial is an expression. The completely factored form of the polynomial 3x⁵-7x⁴+6x²-14x is (x⁴+2x)(3x-7).

Polynomial is an expression that consists of indeterminates(variable) and coefficient, it involves mathematical operations such as addition, subtraction, multiplication, etc, and non-negative integer exponentials.

The completely factored form of the polynomial can be done in the following manner,

[tex]3x^5-7x^4+6x^2-14x\\\\= x^4(3x-7)+2x(3x-7)\\\\=(x^4+2x)(3x-7)[/tex]

Hence, the completely factored form of the polynomial 3x⁵-7x⁴+6x²-14x is (x⁴+2x)(3x-7).

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Answer:

A on edge

Step-by-step explanation:

I passed the test!

Btw, my mistake, correction for the volume of prism, it's supposed to be:

Area of cross section × height

Hope this helps =)

Answer:

C. (m + n)(x) = 463 + 37x

Step-by-step explanation:

Answer:

You would pay $242 in total interest over the life of this loan.

Step-by-step explanation: