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Naya [18.7K]
3 years ago
15

A window washer earns $4 per window. Which equation represents the relationship between his total earnings and the number of win

dows he washes?
Mathematics
1 answer:
creativ13 [48]3 years ago
3 0
4w= total earnings lolz its my bday!!
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751,447 rounded to the nearest 100,000
Neko [114]

that would definitely be 800,000 because 751,447 is much more closer to 800,000 than 700,000

3 0
3 years ago
Read 2 more answers
1) Let f(x)=ax2+bx+c for some value of a, b and c. f intersects the x-axis when x=−2 or x=3, and f( 1 3 )=−25. Find the values o
antiseptic1488 [7]

Answer:

1) a = -⅙, b = ⅙, c = 1

2) 6 units

Step-by-step explanation:

1) f(x) = ax² + bx + c

Given the roots, we can write this as:

f(x) = a (x + 2) (x − 3)

We know that f(13) = -25, so we can plug this in to find a:

-25 = a (13 + 2) (13 − 3)

-25 = 150a

a = -⅙

Therefore, the factored form is:

f(x) = -⅙ (x + 2) (x − 3)

Distributing:

f(x) = -⅙ (x² − x − 6)

f(x) = -⅙ x² + ⅙ x + 1

Graph: desmos.com/calculator/6m6tjoodvb

2) Volume of a right prism is area of the base times the height.

V = Ah

The base is an equilateral triangle.  Area of a triangle is one half the base times height.

V = ½ ab h

The height of the triangle is the same as the height of the prism.

V = ½ bh²

In an equilateral triangle, the height is equal to half the base times the square root of 3.

V = ½ b (½√3 b)²

V = ⅜ b³

Given that V = 81, solve for b.

81 = ⅜ b³

216 = b³

b = 6

5 0
3 years ago
What are the coordinates of point A?
seraphim [82]

Answer:

Can you add an image of the points on a graph so I can help?

5 0
3 years ago
Which of the following expressions, if any, are equal for all real numbers "m"? I. square root of m^2 II. |-m| III. - |m| 
AveGali [126]

Answer:

A

Step-by-step explanation:

3 0
2 years ago
You make skateboard ramps by cutting
Fynjy0 [20]

The estimated number of ramps that can be cut from the board in discuss is; 6 ramps which is a reasonable assumption provided that each ramp is about 2 feet long.

b). The number of ramps that can be cut from the 12 1/2 feet long board is 6 and hence, the length of wood left is; 1/2.

<h3>What is the number of ramps that can be cut from the 12 1/2 feet long board?</h3>

It follows from the task content that skateboard ramps are made from a 12 1/2 feet long ramp.

Consequently, on the assumption that the quantity by measure of length of the board required to make one skateboard ramp is 2 feet, it follows that the estimated number of ramps that can be made from the board is; 12/2 = 6 skateboard ramps.

Ultimately, the amount of wood which is left over upon making the ramps is; 12 1/2 - 12 = 1/2.

Read more on division;

brainly.com/question/917110

#SPJ1

4 0
1 year ago
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