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jolli1 [7]
3 years ago
14

Geometry 9.2..... thx​

Mathematics
1 answer:
lbvjy [14]3 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

using Pythagoras theorem

hyp² = adj² + opp²

(3√2)² = x² + x²

9×2 = 2x²

18 = 2x²

x² = 9

x = √9

x = 3

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If a rectangular prism with a length of 12 feet and a width of 9 feet has a surface area of 930 square feet find its height
WINSTONCH [101]

Answer:

The height is 17 ft

Step-by-step explanation:

The surface area of a rectangular prism is

SA = 2(LW +WH + LH)

where L = length, W = width, and H = height

We know SA = 930, L = 12, and W = 9

930 = 2(12*9 +9H + 12H)

Divide each side by 2

930/2 = 2/2(12*9 +9H + 12H)

465 = (12*9 +9H + 12H)

Combine like terms

465 = 84+21H

Subtract 84 from each side

465-84 = 84-84+21H

357 = 21H

Divide by 21

357/21=21H/21

17 = H

The height is 17 ft

4 0
4 years ago
Read 2 more answers
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Setler [38]
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6 0
3 years ago
List all pairs of numbers that would have 20 as their LCM
Eddi Din [679]
The pair of numbers that would have 20 as their lcm is 4 and 5
6 0
4 years ago
Hank and Lynn are both paying off car loans. • Hank paid $2,000 up front when he bought his car, and he pays $200 each month. •
8090 [49]

Answer:

Yes

Step-by-step explanation:

<h3>Hank</h3>

Hank paid $2,000 upfront when he bought his car, and he pays $200 each month.

<u> This relation is:  </u>

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This is proportional but not directly proportional.

<h3>Lynn</h3>

Lynn did not pay any money upfront when she bought her car, and she pays $275 each month.

<u>  This relation is:  </u>

  • L(x) = 275x

This is directly proportional.

<u>So the answer is:</u>

Yes, the relationship between the number of months and the total amount paid is proportional for both Hank's and Lynn's loans.

8 0
3 years ago
Brandon is 10 years older than Brian. In 2 years, Brandon will be 3 times as old as Brian. How old are they now?
Troyanec [42]
I’m thinking 40 years
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3 years ago
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