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Kay [80]
3 years ago
9

Identify the graph of the function described by the equation y = −4x + 5.

Mathematics
1 answer:
JulijaS [17]3 years ago
4 0

As the equation is already in <em>y</em>=<em>mx</em>+<em>b</em>, all we need to do is use the equation to draw out a graph (or in this case, match with an already existing graph) using the y-intercept and slope. Since the y-intercept is 5, we can eliminate graphs C and D from our answers. We know the slope is -4, which means that our rise over run is -4 over 1. That would mean, to get from one point to the next, you go down 4 spaces and to the right one. This means the correct answer is graph B.

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An ant looks up to the top of a tree with an angle of elevation of . If the ant is 43 feet from the base of the tree, what is th
Igoryamba
Answer:

The height of the tree is 33.6 ft.

Explanation:

Let the height of the tree be y ft. By condition; <span>tan 38= y/43 or y= 43 tan 38 or y=33.6</span>ft [Ans]

I hope my answer has come to your help. God bless and have a nice day ahead!



3 0
3 years ago
Two best friends, Pluto and Goofy, have very different hobbies. Pluto likes to skydive from a height of 24,568 feet. Goofy likes
DIA [1.3K]

Answer:

They are 24, 692 feet aprart

Step-by-step explanation:

Let us assume at the instance we are measuring their position, that Pluto is at the highest point in the air, which is = 24,568 feet, and Goofy is at the lowest point of the sea (that he can go) = 124 feet.

Before we can proceed with the addition, we need to establish a datum, which will serve as the reference point from which the two distances are measured. This definitely is the sea level, because altitude and depth are usually measured above and below sea level.

Pluto's location to the sea level = 24,568 feet

Goofy's Location to the sea level = 124 feet

their distance apart = 24,568 feet + 124 feet =24, 692 feet apart

7 0
3 years ago
The earned run average (ERA) a of a baseball pitcher varies directly as the number of earned runs r and inversely as the number
7nadin3 [17]

Answer:

The number of earned runs is 28.

Step-by-step explanation:

Earned runs average:

The earned runs average of a pitcher is the number of runs the he/she gives each 9 innings on average.

Find the number of earned runs when the pitcher has an ERA of 2.25 after pitching 112 innings in the next season.

Solved by proportions, using a rule of three.

For each 9 innits, the pitcher gives 2.25 runs. How many runs for 112 innings?

9 innings - 2.25 runs

112 innings - x runs

Applying cross multiplication:

9x = 2.25*112

x = \frac{2.25*112}{9}

x = 28

The number of earned runs is 28.

6 0
3 years ago
The table below gives the distribution of milk
nasty-shy [4]
0.14 I just sent the test
7 0
3 years ago
The area of a rectangle is 36 square inches, and its perimeter is 26 inches. What are the length and width of the rectangle?
gogolik [260]

Answer:

9 and 4

Step-by-step explanation:

5 0
3 years ago
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