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3 years ago

Help please! 50 Points! PLEASE DONT RESPOND IF YOU DO NOT KNOW.

Mathematics

1 answer:

Sphinxa [80]3 years ago

3 0

Answer:

e.869.58units^2

f. 96m^2

g. 184m^2

Step-by-step explanation:

484 square

176 triangle

209.58 equilateral triangle

f. 196 total are - mini square 25+25+25+25= 96m^2

g. 22+66+80+16=184m^2

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PLEASE HELP

Sati [7]

Answer: A Yes, because the balls are randomly selected, the distances of the new ball can be compared to the distances of the original ball.

B Yes, because the original ball type is included in this experiment, the distances the different balls travel can be accurately compared.

Step-by-step explanation:

C No, because a placebo ball was not used, a comparison cannot be made to determine if the new ball travels significantly farther.

D No, because all of the new type of balls are not hit first, the distances they travel cannot be compared to the distances of the original ball.

3 0

2 years ago

Will give brainliest

Verdich [7]

I believe the correct answer is D

5 0

3 years ago

Find the diagonal of a square whose sides are of the given measure. Given =

Contact [7]

Answer:

7 $\sqrt{42}$

Step-by-step explanation:

The diagonal is the hypotenuse of the right triangle with legs 7 $\sqrt{3}$

Use Pythagoras' identity to solve for the diagonal d

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

d² = (7 $\sqrt{3}$ )² + (7 $\sqrt{3}$ )²

= 147 + 147

= 294 ( take the square root of both sides )

d = $\sqrt{294}$ = 7 $\sqrt{42}$ ≈ 45.37 ( to 2 dec. places )

6 0

3 years ago

The length of a rectangle is increasing at a rate of 4 meters per day and the width is increasing at a rate of 1 meter per day.

puteri [66]

Answer:

$\displaystyle \frac{dA}{dt} = 102 \ m^2/day$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Geometry

Area of a Rectangle: A = lw

l is length
w is width

Calculus

Derivatives

Derivative Notation

Implicit Differentiation

Differentiation with respect to time

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

$\displaystyle l = 10 \ meters$

$\displaystyle \frac{dl}{dt} = 4 \ m/day$

$\displaystyle w = 23 \ meters$

$\displaystyle \frac{dw}{dt} = 1 \ m/day$

Step 2: Differentiate

[Area of Rectangle] Product Rule: $\displaystyle \frac{dA}{dt} = l\frac{dw}{dt} + w\frac{dl}{dt}$

Step 3: Solve

[Rate] Substitute in variables [Derivative]: $\displaystyle \frac{dA}{dt} = (10 \ m)(1 \ m/day) + (23 \ m)(4 \ m/day)$
[Rate] Multiply: $\displaystyle \frac{dA}{dt} = 10 \ m^2/day + 92 \ m^2/day$
[Rate] Add: $\displaystyle \frac{dA}{dt} = 102 \ m^2/day$

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

Unit: Implicit Differentiation

Book: College Calculus 10e

8 0

3 years ago

I need help I will give brainiest

zhenek [66]

It’s B !!!!!!!!!!!!!!!!!!!!!!

8 0

3 years ago

Read 2 more answers