Mathematics, 06.03.2021 07:50 briana21092005

Find the value of x. round to the nearest tenth

Find the value of x.round to the nearest tenth

Answers: 3

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Answer from: AutismRobotrix1999

$\displaystyle x \approx 8.2$

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 Variables

Angle θ = 23°

Opposite Leg = x

Hypotenuse = 21

Step 2: Solve for x

Substitute in variables [sine]: $\displaystyle sin(23^\circ) = \frac{x}{21}$ [Multiplication Property of Equality] Isolate x: $\displaystyle 21sin(23^\circ) = x$ Rewrite: $\displaystyle x = 21sin(23^\circ)$ Evaluate: $\displaystyle x = 8.20535$ Round: $\displaystyle x \approx 8.2$

Answer from: Quest

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

Answer from: Quest

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

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Find the value of x. round to the nearest tenth
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