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harina [27]
3 years ago
14

I need help with 14 and 15!?

Mathematics
1 answer:
Levart [38]3 years ago
7 0

Answer:

15

Step-by-step explanation:

Pythagorean theorem states that the hypogenous of a right triangle is c=\sqrt{a^{2}+b^{2}} . The hypogenous is the longest part of the triangle which is directly across from the 90 degree angle.

a = 9

b = 12

so,

c = \sqrt{9^{2}+12^{2}  } = 15

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*20 pts*
Leno4ka [110]

a.      This is the geometric sequence: a1 = 1.5 m = 150 cm, r = 0.74

The formula now is an = a1 x r ^ n-1

 

Just substitute a1 = 150 cm and r = 0.74

an = 150 x (0.74) ^ n – 1

 

b.      The second part is:

A6 = 150 x 0.74 ^ 6-1

= 150 x 0.74 ^5

= 150 x 0.221906624

= 33.28509936 cm

4 0
3 years ago
Read 2 more answers
Which inequality represents that −14 more than twice a number is no less than 18?
yuradex [85]
-14>2x>18

Hope this helps!
5 0
3 years ago
How are <1 and <4 related , please help I would appreciate it
Juli2301 [7.4K]
They are both vertical angles.
4 0
3 years ago
1. When given the expression 5^3, what should you do to solve?
UNO [17]

Answer:

its b) 5×5×5

Step-by-step explanation:

a) 5×3 is 15

b) 5×5×5 is 5^3 or in simple form its 125

c) 3×3×3×3×3 = 3^5 or in simple form its 243

You should solve 5^3 as

= 5×5×5

= 125

Plzz mark me as brainliest :)★

5 0
3 years ago
Recall that the volume of a sphere is given by the formula V = 4/3pi to the 3rd
Kisachek [45]

9514 1404 393

Answer:

  1. (256/3)π ft³

  2. 33.49 ft³

Step-by-step explanation:

1. Put 4 ft into the formula where r is, then simplify.

  V = (4/3)π(4 ft)³ = (256/3)π ft³

__

2. The radius is half the diameter, so is 2 ft. Put that in the formula, along with the value for π, and do the arithmetic.

  V = (4/3)(3.14)(2 ft)³ ≈ 33.49 ft³

4 0
2 years ago
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