Answer:
12. n = 8
13. t = 308
14. k = 5
Step-by-step explanation:
12. 2/3 = n/12
Multiply by 4 because 3×4 = 12
So, n = 8
13. 33/t = 3/28
Multiply by 11 because 3×11 = 33
So, t = 308
14. k/6 = 15/18
Multiply by 3 because 6×3 = 18
So, 3k = 15. k = 5
Answer:
Surface Area= 498 cm²
Step-by-step explanation:
To calculate the surface area of this composite shape, work out the area of each face and add them together (break this composite figure into two shapes)
- Calculate the areas of the different sized faces
7 x 7 = 49
12 x 7 = 84
12 x 7 = 84
- Now, multiply these areas be number of corresponding faces
49 x 2 = 98
84 x 2 = 168
84 x 2 = 168
- Add these areas together
98 + 168 + 168 = 434
Now do the same for the shape above it
2 x 2 = 4 → 4 x 2 = 8
2 x 7 = 14 → 14 x 2 = 28
7 x 2 = 14 → 14 x 2 = 28 = 64
Add the surface areas together : 434 + 64 = 498 cm²
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Answer:
-19 + (-11)
Step-by-step explanation:
-19 - 11 = -19 + (-1)*11 = -19 + -11
Answer:
Really am confused about this question.
Answer:
I drew it in the photo.
Step-by-step explanation:
In order to show a model of 2/6 divided by 1/12, we can draw 2 rectangles. In 1 rectangle, it would be divided into 6 sections with 2 shaded sections. In the other rectangle, it would be divided into 12 sections with 1 section shaded. We can show the division in a question: How many 1/12's fit into 2/6? 4 1/12's fit into 2/6.