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omeli [17]
3 years ago
12

The graph of f(x) is shown. Over which interval on the x-axis is there a megative rate of change in the function?

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0

Answer: A

Step-by-step explanation:

A negative rate of change means the graph is decreasing. Translating these terms, the question is asking on which interval is the graph decreasing. You read a graph from left to right. When you look at -2 to -1, the graph is decreasing. It doesn't increase at all.

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-2 gal/min

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Each blade on a windmill is in the shape of a triangle with a base of 7 ft and height of 4 ft if there are four blades on the wi
Leto [7]
Area of one blade is
A=(1/2)b*h=(1/2)7*4=28/2=14 
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14*4=56
8 0
3 years ago
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A square area of land is 144 square feet. What is the length of one side of a fence around the area?
Karo-lina-s [1.5K]

Answer:

4.) 12ft

Step-by-step explanation:

You solve the area of a square using the following equation:

Area of a square = <em>s</em>²

Plug in 144 for Area of a square:

144 = s²

Isolate the variable, s. Root both sides of the equation.

√144 = √s²

s = √144 = √(12 * 12) = 12

4.) 12ft is your answer.

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7 0
3 years ago
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Determine the least common denominator of 11/15 and 23/54 . 270 540 1080 90
marusya05 [52]

Answer:

270

Step-by-step explanation:

use lising method start with the larger number

54:54,108,162 216,270

15: instead of listing all 18 multiples, divide 15 into the multiples of 54 it only goes evenly into 270.

Or divide both denominators into your fir answer and see the smallest bith can go into evenly.

3 0
3 years ago
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Pls solve part b) iii thanks
Viktor [21]

The bearing of the tree from Q is 296.565°

<h3>How to determine the height of the tree?</h3>

The figure that illustrates the bearing and the distance is added as an attachment

The given parameters are:

Base of the tree, b = 50 meters

Angle (x) = 32 degrees

Calculate the height (h) of the tree using:

tan(x) = height/base

So, we have:

tan(32°) = h/50

Make h the subject

h= 50 × tan(32°)

Evaluate

h = 31.24

Hence, the height of the tree is 31.24 meters

<h3>How to determine the distance between Q and the base of the tree?</h3>

The distance (d) between Q and the base of the tree

This is calculated using the following Pythagoras theorem

d = √(100² + 50²)

Evaluate

d = 111.80

Hence, the distance between Q and the base of the tree is 111.80 meters

<h3>How to determine the angle of elevation?</h3>

The angle of elevation (x) using the following tangent trigonometric ratio

tan(x) = h/d

This gives

tan(x) = 31.24/111.80

Evaluate the quotient

tan(x) = 0.2794

Take the arc tan of both sides

x = 15.61

<h3>The bearing of the tree from Q </h3>

This is calculated using:

Angle of bearing = 270 + arctan(50/100)

Evaluate the arc tan

Angle of bearing = 270 + 26.565

Evaluate the sum

Angle of bearing = 296.565

Hence, the bearing of the tree from Q is 296.565 degrees

Read more about bearings at:

brainly.com/question/24142612

#SPJ1

4 0
2 years ago
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