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4 years ago

Please help . I’ll mark you as brainliest if correct!!!!!!

Mathematics

1 answer:

chubhunter [2.5K]4 years ago

3 0

Answer:

don't really know what the question is. but....

A.) 9

B.) -3

plug x values in and solve for y

A.)

y + 2(-1) = 7

y -2 = 7

y = 9

B.)

y + 2(5) = 7

y + 10 = 7

y = -3

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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
Subtract Property of Equality

Trigonometry

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

Step-by-step explanation:

Step 1: Identify

Angle θ = 35°

Opposite Leg BC = x

Adjacent Leg AC = 2

Step 2: Solve for x

Substitute [Tangent]: tan35° = x/2
Isolate x: 2tan35° = x
Rewrite: x = 2tan35°
Evaluate: x = 1.40042
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