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Anuta_ua [19.1K]

3 years ago

15

Question: Write an algebraic expression that represents how many total cars there are on the Toyota car lot if there are r rows

and each row contains 37 cars. Student's Response: 37r

1 answer:

zmey [24]3 years ago

8 0

The algebraic expression is 37 x r = x

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Suppose you have a bag of red, blue, and yellow marbles. If the probability of picking a red marble is1/6 and the probability of

yulyashka [42]

The probabilities of picking a red, blue, and yellow marble must be equal to 1. so

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elena-14-01-66 [18.8K]

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Step-by-step explanation:

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3 years ago

No one has answered this one

krek1111 [17]

Answer:

$\displaystyle x = \frac{25\sqrt{2}}{2}$

General Formulas and Concepts:

<u>Pre-Algebra</u>

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

<u>Trigonometry</u>

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

Angle θ = 45°

Adjacent Leg = 25

Hypotenuse = <em>x</em>

<u>Step 2: Solve for </u><em><u>x</u></em>

Substitute in variables [cosine]: $\displaystyle cos(45^\circ) = \frac{x}{25}$
[Multiplication Property of Equality] Multiply 25 on both sides: $\displaystyle 25cos(45^\circ) = x$
Rewrite: $\displaystyle x = 25cos(45^\circ)$
Evaluate: $\displaystyle x = \frac{25\sqrt{2}}{2}$

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2 years ago

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