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4 years ago

Help?? I suck in the math field so please help

Mathematics

1 answer:

Romashka-Z-Leto [24]4 years ago

8 0

Hello,
PO²=12²+5²=13²

sin² x= (5/13)²

cos² y=(5/13)²

sin² x=cos² x

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How do i solve this?

Alina [70]

Answer:

m∠R = 60°

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] sinθ = opposite over hypotenuse

Step-by-step explanation:

Step 1: Identify

Angle θ = ∠R

Opposite Leg of ∠R = 10√3

Hypotenuse = 20

Step 2: Solve

Substitute in variables [sine]: $\displaystyle sin(R^\circ) = \frac{10\sqrt{3}}{20}$
[Equality Property] Trig inverse: $\displaystyle R^\circ = sin^{-1}(\frac{10\sqrt{3}}{20})$
Evaluate trig: $\displaystyle R = 60^\circ$

8 0

3 years ago

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Kipish [7]

Answer:

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Step-by-step explanation:

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6 0

3 years ago

Sigma Notation and the nth Term

ladessa [460]

Answer: F

Step-by-step explanation:

1+2+...+n = n*(n+1)/2 for all natural numbers n.

Left-hand-side = (5+1)+(5+2)+...+(5+10)=5*10+10*(10+1)/2=50+55=105

Right-hand-side = (4)+(4+1)+...+(4+9)=4*10+9*(9+1)/2=40+45=85

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The equation is false

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3 years ago

A circular swimming pool measures 79 feet around. What is the diameter?

Ede4ka [16]

Answer:

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Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What's a simple method to find the cube root of a number ?

il63 [147K]

If you want to find out ..for example.. cube root of 8..just put it in the calculator!
Or you could power it by 1/3 ...which is the same thing as cube rooting it.
(Even though I need the calculator in both the cases..)

Hope this helps though :)

6 0

3 years ago