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ad-work [718]
2 years ago
15

Can someone help me with these 3 questions I'll mark u brainly :')​

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
4 0

Answer:

1 is. $3.84

2 is. $20

3 is. $270

I hope this helps

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The prism shown has a volume of 35cm³. Work out the height of the triangular cross section. The length going back is 7cm and the
Gre4nikov [31]

Answer:

2.5 cm

Step-by-step explanation:

The volume of a triangular prism is cross section × length.

The cross section area is the triangle area. The triangle length is 4 cm, the height is not given. The length of the triangular prism is 7cm.

4 × h × 1/2 × 7 = 35

14h = 35

h = 35/14

h = 5/2

The height of the triangular cross section is 2.5 cm.

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Q23. Look at the image
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Answer:

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Step-by-step explanation:

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The sequence goes 5, 2, -1, -4, ...

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Answer:

8

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