3 years ago

Someone help please Find the sine of

Mathematics

1 answer:

Aleksandr [31]3 years ago

4 0

Answer:

5/13

Step-by-step explanation:

The sine of angle r is opposite over hypothenuse,5/13.

If you need help with sine cosine and tangent just remeber

sohcahtoa This means sine=opposite over hypotenuse, cosine=adjacent over hypotensuse, tangent=opposite over adjacent.

You might be interested in

1/8 + 1/4 ?? Why do I need 20 characters to summit this

abruzzese [7]

Answer:

0.375

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

What are the solutions to the quadratic equation x^2-16=0

frutty [35]

Simplifying this, we get:
(x+4)(x-4) = 0
Now, to get 0, we can replace x for one of these things to make 0, so:
x can either be 4, or -4

8 0

2 years ago

Read 2 more answers

Help me solve for x. the angles they give to you are 138, 78, and 94. please help

Taya2010 [7]

Answer:

x = 8

Step-by-step explanation:

180 = 78 + 94 + x

180 =172 + x

-172 -172

18 = x

7 0

2 years ago

Multiply.<br> (d+7)(d-7)<br> Simplify your answer.

romanna [79]

Answer:

$\huge\boxed{(d+7)(d-7)=d^2-49}$

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\(d+7)(d-7)\qquad|\text{use}\ (a+b)(a-b)=a^2-b^2\\\\=d^2-7^2=d^2-49\\\\\bold{METHOD\ 2:}\\\\(d+7)(d-7)\qquad|\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(d)(d)+(d)(-7)+(7)(d)+(7)(-7)\\\\=d^2-7d+7d-49\qquad|\text{combine like terms}\\\\=d^2+(-7d+7d)-49\\\\=d^2-49$

7 0

2 years ago

There are 50 students going on a class trip. 35

iogann1982 [59]

The answer should be 74% probability

35/50+5/50-3/50= 37/50->74%

5 0

3 years ago