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ANEK [815]
4 years ago
5

Helllp this is easy​

Mathematics
2 answers:
alexgriva [62]4 years ago
6 0
The third one 12 feet
Mazyrski [523]4 years ago
3 0

Answer: 12 feet.

Step-by-step explanation:

Use the Pythagorean theorem to solve:

a^2 + b^2 = c^2\\5^2 + b^2 = 13^2\\25 + b^2 = 169\\b^2 = 144\\b = 12

The third side length is 12.

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The measures of two angles are 4x and (2x+12). what is the measurement of each angle if x=13?
oksano4ka [1.4K]

Answer:

52 and  38

Step-by-step explanation:

If x = 13 then 4x = 4 * 13 so 52.  

Same for the next one.  2x = 2 * 13 so 26.  26+12 is 38.  

Done...

7 0
3 years ago
Brianna has 4 pink bracelets. One third of all her bracelets are pink. How many bracelets does brianna have?
Llana [10]
1 / 3 of her bracelets are pink, and she has 4 pink bracelets, which means she has 8 bracelets in other colors, for a total of 12 bracelets.
5 0
3 years ago
(x+5)3 multiply the polynomial;s
tatiyna

Answer:

3x + 15

Step-by-step explanation:

(x+5)3

(x+5) · 3

3(x+5)

3x+ 3 · 5

3x + 15

7 0
3 years ago
*Can someone please help me out with this one?*
Talja [164]
Either A - the value of r would increase or B- the value of r would not change.
5 0
3 years ago
Read 2 more answers
Please please help me
kompoz [17]

Answer: it would be g because if you distribute 9, you end up with x+72 and the bottom one is 9•8 (also 72)+x

5 0
3 years ago
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