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3 years ago

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A scale model of the Washington Monument is 15 inches tall and the base is 1.5 inches wide. If the actual monument is approximat

ely 555 feet tall, which is closest to the width, in feet, of the base?

1 answer:

Anettt [7]3 years ago

5 0

Its fake the guy linky

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What is the inverse of the function f(x) = 2x + 1?

Luda [366]

Answer:

$f^{-1}(x)=\frac{1}{2}x-\frac{1}{2}$ ⇒ answer 1

Step-by-step explanation:

* Lets explain how to find the inverse of a function

- To find the inverse of a function :

# Write y = f(x)

# Switch the x and y

# Solve to find the new y

# The new y is $f^{-1}$

* Lets solve the problem

∵ f(x) = 2x + 1

- Put y = f(x)

∴ y = 2x + 1

- Switch x and y

∴ x = 2y + 1

- Solve to find the new y

∵ x = 2y + 1

- Subtract 1 from both sides

∴ x - 1 = 2y

- Divide both sides by 2

∴ (x - 1)/2 = y

- Divide each term in the left hand side by 2

∴ y = 1/2 x - 1/2

- Replace y by $f^{-1}$

∴ $f^{-1}(x)=\frac{1}{2}x-\frac{1}{2}$

* The inverse of the function is $f^{-1}(x)=\frac{1}{2}x-\frac{1}{2}$

7 0

4 years ago

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Five times a number decreased by nine is equal to twice the number increased by 23. Which equation could be used to solve the pr

Agata [3.3K]

Answer:

5x-9=2x+23

Step-by-step explanation:

8 0

2 years ago

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The Saxena family plans to install a light to illuminate part of their rectangular yard. Nikki and Dylan each proposed a differe

seropon [69]

The correct situation for the given condition are as follows:

C) Both proposed placements will light the same sized area.

F) Dylan's proposed placement will light exactly half of the yard.

<h3>What is Area of Triangle?</h3>

The area of a triangle is defined as the total space occupied by the three sides of a triangle in a 2-dimensional plane. The basic formula for the area of a triangle is equal to half the product of its base and height, i.e., A = 1/2 × b × h.

The area of a triangle = (base x height) / 2

and,

both lights illuminate the same base and height = (60 x 38) / 2

= 1,140 sq ft

Both Dylan's and Nikki's proposed placement will lit exactly half of the yard.

The yard's total area = 60 x 38 = 2,280 sq ft,

which is twice the area lit by the lights.

Thus, The correct situation for the given condition are as follows:

C) Both proposed placements will light the same sized area.

F) Dylan's proposed placement will light exactly half of the yard.

Learn more about Area of triangle from:

brainly.com/question/27683633

#SPJ1

6 0

2 years ago

How many ways can 4 letters from papaya be arranged

Gemiola [76]

Answer:

There would be 2 ways I would think because you can spell it with the same letters if that makes sense

4 0

3 years ago

Ted can mow the lawn in 5 minutes by using his power mower. Galen takes 15 minutes to mow the same lawn using a push-type mower.

EastWind [94]

We need to calculate a TIME. Here, TIME = job / rate

Here,

1 JOB 1 1
------------------------------------- = ------------------ = ---------------
JOB/5 min + JOB/15 min 1/5 + 1/15 3/15+1/15
1
= ------------ minutes = 15/4 minutes = 3 3/4 minutes (answer)
4/15

6 0

3 years ago

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