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zzz [600]
3 years ago
12

Question 18 plz help <3

Mathematics
1 answer:
Karolina [17]3 years ago
3 0

Answer:

4

Step-by-step explanation:

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Please help me I'm stumped on this​
Sladkaya [172]

Answer: 1300 cm^3, 850 cm^2

Step-by-step explanation:

With a triangular prism, you need to calculate the surface area of the triangle first and then the length. Here's how to solve for the volume (A):

Triangles is b*h/2, plug in the equation

10*13/2

130/2

65

Now use the length of the rest of the shape, which is 20 cm.

65*20=1300

the volume is 1300 cm^3.

for B, finding the surface area requires you to analyze each individual part of the shape.

Each part colored in represents a different shape:

Red:

10*20=200

Blue:

13*10/2=65

65*2=130 (Two triangles)

Green:

13*20=260

260*2=520 (Two rectangles)

Add them all up together.

200+130+520= 850 cm^2

8 0
3 years ago
Solve each of the following equations by the trial and error method : A) X- 7= -3 help some one now​
Vaselesa [24]

Answer:

X - 7 = - 3

X = - 3 + 7

X = 4

the 7 turns positive because it was moved to the other side of the symbol "=" so we reverse the sign

- becomes +

and

+ becomes -

8 0
3 years ago
Which statements are true? Select the two correct answers.
denpristay [2]

Answer:

5.the square root is positive number lessthan 1 is beteween 0 and 1

1.the square root of a positive number greater than 1 is less thsn number

8 0
3 years ago
What is the slope of the line.
Mamont248 [21]

Answer:

The slope of a line in the plane containing the x and y axes is generally represented by the letter m, and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line.

Step-by-step explanation:

6 0
2 years ago
What is math im cant speak
UkoKoshka [18]
Math is a subject which many people find disgusting and horrible but which i favour over others<span />
7 0
3 years ago
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