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3 years ago

Which angle measures would form a triangle?

Mathematics

1 answer:

Lina20 [59]3 years ago

7 0

Answer:

B. 22°, 118°, 40°

Step-by-step explanation:

As angles in a triangle equals 180°

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" four multiplied by the sum of a number and three is sixteen"

tia_tia [17]

$4(x+3) = 16$
$4x+12=16$
$4x=4$
$x=\frac{4}{4}$
$x=1$

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3 years ago

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P(A)=7/20,P(B)=3/5,P(A∩B)=21/100 ,P(A∪B)=?

satela [25.4K]

Answer:

P( A U B) = 37/50

Step-by-step explanation:

7/20+3/5+21/100

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10(n^2+n) -6 (n^2 - 2). simplify the following

Setler [38]

Answer:

4n^2 + 22n

Step-by-step explanation:

10(n^2+n) -6 (n^2 - 2)

10n^2 + 10n - 6n^2 + 12

4n^2 + 22n

3 0

3 years ago

Please help me please

spayn [35]

Answer:

A. 34°

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] tanθ = opposite over adjacent
Inverse Trig

Step-by-step explanation:

Step 1: Define

Identify variables

Angle θ = x

Opposite leg AC = 24

Adjacent leg CB = 35

Step 2: Solve for x

Substitute in variables [Tangent]: $\displaystyle tanx^\circ = \frac{24}{35}$
Inverse Trig [Tangent]: $\displaystyle x^\circ = tan^{-1}(\frac{24}{35})$
Evaluate: $\displaystyle x = 34.439^\circ$
Round: $\displaystyle x \approx 34^\circ$

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3 years ago