MATHEMATICS HIGH SCHOOL

Cuantos pedazos de cinta de 1/4 de metro se pueden obtener de un rollo de cinta que mide 15/2? 30 pedazos.
60 pedazos.
15 pedazos.
45 pedazos.

Answers

Answer 1
Answer:

Answer:

30 pedazos

Step-by-step explanation:

(15/2)/(1/4)

= (15*4)/(2*1)

= 60/2

= 30

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The formula n = rt gives the number n of boxes packed in time t at rate r. A machine packs boxes at a constant rate of 11.5 boxes per minute.How many boxes will the machine pack in 6 min?



please help! 15 points and I will thank the best answer!

Answers

n= 11.5(6)
n= 69
^ pretty sure I got it? 
The answer is 69  because 11.5 x 6 is 69
:)

What is the average (mean) of the following numbers: 2, 5, 8, and 1? Options: 4 3 5 4.5

Answers

Answer:

mean = 4

Step-by-step explanation:

the average ( or mean ) of a data set is calculated as

mean = (sum)/(count)

sum = 2 + 5 + 8 + 1 = 16

count = 4 ( number of values in data set )

substitute these values into the formula for mean

mean = (16)/(4) = 4

Final answer:

The mean (average) of the numbers 2, 5, 8, and 1 is calculated by adding the numbers together (which gives 16), and then dividing this sum by the total number of numbers (4). So, the mean of these numbers is 4.

Explanation:

The subject of this question is Mathematics and it relates to the concept of statistical mean (average). To find the mean of the numbers 2, 5, 8, and 1, you add them all up and then divide by the number of numbers.

  1. First, add the numbers together: 2 + 5 + 8 + 1 = 16.
  2. Then, divide by the total number of numbers, which in this case is 4. 16 divided by 4 is 4.

So, the mean (average) of 2, 5, 8, and 1 is 4.

Learn more about Mean (average) here:

brainly.com/question/24581680

#SPJ11

A paroxysm of laughter escaped a few. If the ratio of the laughers to the stolid was 2 to 17,and 7600 were in the throng, how many did not laugh

Answers

Well, one part is 3800 so the remaining 17-2=15 parts was 57000 people.

Relationship B has a greater rate than Relationship A. This graph represents Relationship A.Which equations could represent Relationship B?

Select each correct answer.


A.y = 1.4x

B.y=12x

C.y = 2.2x

D.y = 3x

Answers

I think it’s C: 2.2x (I’m so sorry if I’m wrong)

NEED HELP WITH MATH QUESTION ITS ABOUT FINDING AREA OF A TRIANGLE !! I WOULD BE REALLY GRATEFUL IS SOMEONE HELPED ME WITH A FEW QUESTIONS AFTER THIS

Answers

Answer:

The area of triangle is 59.2 in².

Step-by-step explanation:

If a, b and c are three sides of a triangle then the area of triangle by heron's formula is

A=\sqrt{s(s-a)(s-b)(s-c)          .... (1)

where,

s=(a+b+c)/(2)

From the given figure it is clear that the length of sides are 12 in, 18 in and 28.8 in. The value of s is

s=(12+18+28.8)/(2)=29.4

Substitute s=29.4, a=12, b=18 and c=28.8 in equation (1).

A=√(29.4(29.4-12)(29.4-18)(29.4-28.8))

A=√(3499.0704)

A=59.15294

A\approx 59.2

Therefore the area of triangle is 59.2 in².

Answer:

65.8 in²

Step-by-step explanation:

Given a triangle with 2 sides and the included angle then the area (A) is

A = 0.5 × a × b × sinΘ

where a, b are the 2 sides and Θ the included angle

here a = 18, b = 12 and Θ = 147°, hence

A = 0. 5 × 18 × 12 × sin147°

   = 108 × sin147° ≈ 65.8 ( to the nearest tenth )

In the system -12c+3d=6 and -3c+6d=-9, which expression could you use for substitution?. A. d=-1/2c-3/2. B.c=-2d+3. C.c=1/4d-1/2. D. d=4c-2

Answers

The system:
- 12 c + 3 d = 6
- 3 c + 6 d = - 9
----------------------
The 1st equation:
- 12 c = - 3 d + 6  / * ( - 1) ( multiple both sides by -1 )
12 c = 3 d - 6  /  : 12  ( divide both sides by 12 )
c = d / 4 - 1/2
Answer:
C ) c = 1/4 d - 1/2
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