MATHEMATICS MIDDLE SCHOOL

The prism has a surface area of 1312 mm2.What would the surface area of the prism be if each dimension were halved?


mm2

Prism with a length of thirty-two millimeters, a width of ten millimeters, and a height eight millimeters

Answers

Answer 1
Answer: Surface Area = 2(lw + lh + wh)

Divide each dimension by half, and then plug it in to the formula.

32/2 = 18
10/2 = 5
8/2 = 4

Surface Area = 2((4)(5) + (4)(18) + (5)(18))
SA = 2(20 + 72 + 90)
SA = 2(182)

SA = 364

The surface area if each dimension was halved would be 364 mm^2.

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The scatter plot below represents the change in global sea level from 1993-2017, according to the National Aeronautics and Space Administration (NASA) The equation of the regression line is written below, where Y represents the predicted change in sea level and t represents the years since 1993.
y = 0 + 3.2t

Part a:
Identify the y-intercept of the regression line and explain what it represents in the context of the data.

Answers

Answer:

The y-intercept is zero and it means that in the year 1993 there was no change in the seawater level.

Step-by-step explanation:

See the scatter plot graph attached.

It represents the change in global sea level from 1993-2017, according to the National Aeronautics and Space Administration (NASA).

The equation of the regression line is written below, where Y represents the predicted change in sea level in mm and t represents the years since 1993.

y = 0 + 3.2t .............. (1)

Therefore, the equation is in the slope-intercept form and the y-intercept is zero for this graph.

That means in the year 1993 there was no change in the seawater level. (Answer)

Ran 4 miles in 2 hours coloring activity

Answers

8? I don’t get it to much sorry

What all the multiples of 81?

Answers

3,9,27 ( the 9 can be multiplied by itself to get 81 9*9)
3,9,27 are the answers of the multiples of 81

and what is this A rock band has 5 members, and two fiths of the members play string instruments. Also, 0.4 of the members sing. Does the band have the same number of string instrument players as singers? explain.

Answers

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The sum of two numbers is 92. their difference is 20. find the 2 numbers

Answers

The two numbers in question obtained by creating a system of equations are 56 and 36

Let the two numbers be : a and b

  • a + b = 92 ___(1)
  • a - b = 20.___(2)

From (2):

  • a = 20 + b. ____(3)

Substitute (3) into (1)

a + b = 92

20 + b + b = 92

20 + 2b = 92

2b = 92 - 20

2b = 72

b = 72/2

b = 36

From (3) :

a = 20 + 36

a = 56

Therefore, the two numbers are 56 and 36

Learn more : brainly.com/question/18109354
x+y =92
x -y =20
------------ (subtract the y)
2x= 112
/2     /2
x=56
56+y=92 (substitute x with 56)
-56     -56
y=36

x = 56    and     y = 36

23mm,20mm,13mm sides and 62,72,46, angle what type of triangle is that

Answers

23 mm, 20mm, 13mm sides: No equal sides and No equal angles are characteristics of a Scalene Triangle.

62,72,46 angles : All angles are less than 90°, this means that the triangle is an acute triangle.

Based on the above information the triangle is an ACUTE SCALENE TRIANGLE.
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