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Butoxors [25]
3 years ago
14

(please help!)

Mathematics
2 answers:
sammy [17]3 years ago
8 0

Answer:

79.56

Step-by-step explanation:

Separate the box into two then add the area and then multiply the price with the combined areas.

svetlana [45]3 years ago
4 0

Answer:

She will pay $71.4 [The thing is that one dimension is not shown, so the number I did put is all of the shown dimensions.

Step-by-step explanation:

How I did it: 8.5(3.6)+ 8.5(3)+ 8.5(1.2)+8.5(0.6)

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Simply the expression given below (3x^3+4x^2+4x-12)+(-5x^3+9x^2-9x+20)
Svet_ta [14]

Answer:

1. Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2)

Step-by-step explanation:

6 0
3 years ago
If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar because of the _____.
OlgaM077 [116]
B.) If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar because of the "<span>ASA Similarity Postulate"

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4 0
3 years ago
Read 2 more answers
In need of help of these math questions
vitfil [10]

Answer:

1. 4

2.  6.4

3. 10.0828313253

Explanation:

2.

15/12=1.25

8/1.25=6.4

3. ill write explanation for 3 later im  occupied those are the correct answers

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4 0
3 years ago
Which property is illustrated by the equation 3 (m n) = (3 m) n? HELP ME PLZ I NEED THIS THANK YOU
GaryK [48]

Answer:

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3 0
4 years ago
Pedro has created the function f(x)= 4x-3/2 to represent the number of assingments he has completed where x represents the numbe
Law Incorporation [45]
The given function is
f(x) = 4x - 3/2
where
f(x) = number of assignments completed
x =  number of weeks required to complete the assignments

We want to find f⁻¹ (30) as an estimate of the number of weeks required to complete 30 assignments.
The procedure is as follows:

1. Set y = f(x)
   y = 4x - 3/2

2. Exchange x and y
   x = 4y - 3/2

3. Solve for y
   4y = x + 3/2
   y = (x +3/2)/4

4. Set y equal to f⁻¹ (x)
  f⁻¹ (x) = (x + 3/2)/4

5. Find f⁻¹ (30)
  f⁻¹ (30) = (30 + 3/2)/4 = 63/8 = 8 (approxmately)

Answer:
Pedro needs about 8 weeks to complete 30 assignments.

6 0
3 years ago
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