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Eddi Din [679]
3 years ago
14

I need help with 2 plz help

Mathematics
1 answer:
Tatiana [17]3 years ago
7 0

Answer:

a=31.61

Step-by-step explanation:

Pythagorean theorem states that square hypotenuse side is equal to square opposite side plus  square adjacent side

Hyp²= Opp²+Adj²

the opposite is represented by a in the question, so

60²=a²+51²

3600=a²+2601

combine the like terms

3600-2601=a²

999=a²

a²=999

square root both sides to remove the square

√a²=√999 {square cancels the square root

a=√999

a=31.606

a=31.61 approximately


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Aneli [31]

Answer:

if I have my calculations right it would be £120

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What is the minimum number of degrees that an equilateral triangle can be rotated before it carries onto itself?
mash [69]
Since the triangle has equal sides it will carry onto it self at 120, since it can rotate 360 grades only and it has 3 sides so it will rotate in one third of 360 so 120

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Read 2 more answers
: A theater sells tickets for a concert. Adult tickets sell for $6.50 each, and children's tickets sell for $3.50 each. The thea
BARSIC [14]

Answer: 321 adult tickets and 227 children tickets were sold.

Step-by-step explanation:

Let x represent the number of adult tickets that were sold.

Let y represent the number of children tickets that were sold.

The total number of tickets that the theatre sold is 548. This means that

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Adult tickets sell for $6.50 each, and children's tickets sell for $3.50 each. The total ticket sales was $2881. This means that

6.5x + 3.5y = 2881 - - - - - - - - - - -1

Substituting x = 548 - y into equation 1, it becomes

6.5(548 - y) + 3.5y = 2881

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- 3y = - 681

y = - 681/ -3

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3 years ago
Please help me asappp (will give brainiest!)
ryzh [129]

Answer:

TanФ=-1.793

Step-by-step explanation:

Sin^{2} (A) + Cos^{2} (A) = 1

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Tan(A) = \frac{Sin(A)}{Cos(A)}

Tan(A) =\frac{\sqrt{1-Cos^{2}(A) } }{Cos(A)} \\Tan(A) =\frac{\sqrt{1-(-.487)^{2} } }{-.487}=-1.793433202

3 0
3 years ago
I need help plzzzz percent equations blank% of $30 =3
Lyrx [107]

Answer:

10%

Step-by-step explanation:

Hello I can help you with this question. Lets start.

The question is asking what percent of $30 is 3

so i think u actually meant $3 right but anyways

30 is 10 times 3

then clearly it would be 10%

gogo that's the answer!

4 0
3 years ago
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