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Vikentia [17]
4 years ago
9

I need help pleasee!!

Mathematics
1 answer:
Harlamova29_29 [7]4 years ago
5 0

Answer:

Step-by-step explanation:

1. the exterior angle in a triangle is equal to the sum of the 2 furthest angles in the triangle

9x+4=4x-7+86

this equation will give you what x is

after you find x, plug it into 9x+4 and set it = to 7y-1

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What is the line of reflection for the trapezoids?
shepuryov [24]
The answer is A

because there is no other answer

6 0
3 years ago
Can someone help me with my math homework
Roman55 [17]

Answer:

1.y= -2x+3 slope -2

2. y= -4/5x-6 slope -4/5

3. y= 1/3x=4 slope 1/3

4. y= x+8 slope 1

5. y= 4x slope 4

6. y= 3/2x+7 slope 3/2

7. y= 3/2x+5 slope 3/2

8. y= -1/5x-3 slope -1/5

Step-by-step explanation:

move variable to the right

change the signs

divide both sides

reorder the terms

7 0
3 years ago
3. If y varies inversely as x and y = 20 when x = 4, find y when x = 8.
Vilka [71]

Answer:

y=2

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Here are the dimensions, in cm, of four cuboids.
professor190 [17]

Answer:

C) 2 × 3 × 5

Step-by-step explanation:

Volume of a cuboid = lbh = 30 cm³

A) 1 × 1 × 5 = 5 cm³ ≠ 30 cm³

B) 5 × 10 × 15 = 750 cm³ ≠ 30 cm³

C) 2 × 3 × 5 = 30 cm³ ✔

D) 1 × 2.5 × 4 = 10 cm³ ≠ 30 cm³

=》The correct option is C) 2 × 3 × 5 as it makes 30 cm³, which is the required volume.

Hope it helps ⚜

4 0
2 years ago
Read 2 more answers
The equations y = 30x + 10 and y = –x2 + 150x + 10 model the daily sales of two car models, where x represents the number of day
yuradex [85]

Answer:

  day 0, day 120

Step-by-step explanation:

You want to find the value of x that makes both y-values be the same:

  y = y

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  x^2-120x = 0 . . . . subtract the right side of the equation

  x(x -120) = 0 . . . . . factor

Values of x that make this true are x=0 and x=120.

The same number of each car was sold on day 0 and day 120.

7 0
3 years ago
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