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Andreas93 [3]
2 years ago
10

Martin is building a rectangular fire pit in his backyard. He dug a hole 30 inches by 30 inches. He decides to make each side of

the pit 6 inches longer.
What is the percent increase in the area of the fire pit
Mathematics
1 answer:
padilas [110]2 years ago
6 0

Answer:it is d

Step-by-step explanation:

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HELP!!! WILL GIVE BRAINLIEST +LIKE AND 5 STARS ANSWER THE QUESTION IN THE PICTURE
Sergeu [11.5K]

Answer:

13) B

14) A

Step-by-step explanation:

13) Knowing that the interior angles of a triangle add up to 180, we can see that angle A is 53°. To find length c, we can use either sine or cosine. Let's use sine:

sin 37° = b/c = 15.9/c ---> c = 15.9/sin 37 = 26.4

To solve for side a, use cosine:

cos 37° = a/26.4 ---> a = 26.4cos37 = 21.1

14) Again, knowing that the interior angles of a triangle add up to 180, we know that angle B is 52°. This time,let's use cosine (although you may choose sine if you want):

cos 38° = b/16 ---> b = 16cos38 = 12.6

To find side a, use sine:

sin 38° = a/16 ---> a = 16sin38 = 9.9

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3 years ago
A tablet computer is on sale for $115 off. The sale price is $525.
Vadim26 [7]

Answer:

$525+$115 = $640

Step-by-step explanation:

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Hope this is a help for u
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How many triangles can be constructed with three angles, each measuring 66°?
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castortr0y [4]

Answer:

\frac{x^{2} }{3600} - \frac{y^{2} }{121} = 1

Step-by-step explanation:

Since the hyperbola opens left and right with a center at the origin, then

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\frac{x^{2} }{60^{2} } - \frac{y^{2} }{11^{2} } = 1.

\frac{x^{2} }{3600} - \frac{y^{2} }{121} = 1

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