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3 years ago

PLZ HELP FAST ASAP THANKS GUYS!!! WILL GIVE BRAINLIEST

Mathematics

1 answer:

enot [183]3 years ago

4 0

Multiply the fractions

length = 8 * 3/4 = 24 / 4 = 6 feet
width = 4 * 3/4 = 12 / 4 = 3 feet

6 x 3 feet

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From the chapter Rational Numberssome body please answer fast

Alexxx [7]

Answer:

- $\frac{3}{7}$

Step-by-step explanation:

Given

- $\frac{42}{98}$ ← divide numerator/ denominator by 14 )

= - $\frac{3}{7}$

7 0

2 years ago

The point P(9, 12) is on the terminal side of θ. Evaluate cos θ.

frutty [35]

P(9,12): For all intents and purposes, the hypotenuse is "r", the opposite side is "y", and the adjacent side is "x".

x = 9 (from the P(9,12))
y = 12 (also from the point)

Using the Pythagorean Theorem, you find out that r = 15.

Therefore, since cos θ = x/r
cos θ = 9/15 or 3/5

Answer: 3/5

7 0

2 years ago

Fred purchased a boat for $8,645. He made a down payment of $775. He applied for a six-year installment loan with an interest ra

n200080 [17]

Answer:

135818564664 that the answer

6 0

2 years ago

Help differentiate this

Arte-miy333 [17]

Answer:

$\displaystyle y' = 20x^3 + 6x^2 + 70x + 9$

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Algebra I

Terms/Coefficients
Expand by FOIL
Functions
Function Notation

Calculus

Derivatives

Derivative Notation

Derivative Property [Multiplied Constant]: $\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)$

Derivative Property [Addition/Subtraction]: $\displaystyle \frac{d}{dx}[f(x) + g(x)] = \frac{d}{dx}[f(x)] + \frac{d}{dx}[g(x)]$

Basic Power Rule:

f(x) = cxⁿ
f’(x) = c·nxⁿ⁻¹

Derivative Rule [Product Rule]: $\displaystyle \frac{d}{dx} [f(x)g(x)]=f'(x)g(x) + g'(x)f(x)$

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle y = (x^3 + 7x - 1)(5x + 2)$

Step 2: Differentiate

Product Rule: $\displaystyle y' = \frac{d}{dx}[(x^3 + 7x - 1)](5x + 2) + (x^3 + 7x - 1)\frac{d}{dx}[(5x + 2)]$
Basic Power Rule [Derivative Property - Addition/Subtraction]: $\displaystyle y' = (3x^{3 - 1}+ 7x^{1 - 1} - 0)(5x + 2) + (x^3 + 7x - 1)(5x^{1 - 1} + 0)$
Simplify: $\displaystyle y' = (3x^2+ 7)(5x + 2) + 5(x^3 + 7x - 1)$
Expand: $\displaystyle y' = 15x^3 + 6x^2 + 35x + 14 + 5(x^3 + 7x - 1)$
[Distributive Property] Distribute 5: $\displaystyle y' = 15x^3 + 6x^2 + 35x + 14 + 5x^3 + 35x - 5$
Combine like terms: $\displaystyle y' = 20x^3 + 6x^2 + 70x + 9$

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Derivatives

Book: College Calculus 10e

4 0

2 years ago

Does anyone know how to solve this?

horsena [70]

Answer:

$x=360$

Step-by-step explanation:

The inscribed angles theorem states that when given a circle, with an angle that has its vertex at the center of the circle, the measure of the angle is congruent to the measure of the arc surrounding it. One can apply this knowledge here by stating the following,

$m$

Substitute,

$x=2\pi$

However, this answer is in radians, it is the literal measurement. One must convert into degrees so that the answer fits the format of the question. The conversion rate to switch between radians and degrees is the following,

$degree=\frac{\pi}{180}radians$

Substitute,

$degree=\frac{180}{\pi}(x)\\\\degree=\frac{180}{\pi}(2\pi)\\$

Simplify,

$degree=\frac{180*(2\pi)}{\pi}\\degree=360$

8 0

2 years ago

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