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katrin2010 [14]
2 years ago
6

Determine the scale factor for each reduction.

Mathematics
1 answer:
AlexFokin [52]2 years ago
5 0

Answer:

c

Step-by-step explanation:

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Please solve this question.
andre [41]
  • <em>Answer:</em>

<em>x = - 2</em>

<em>y = 5</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>2x + 9 = y</em>

<em>y = - 4x - 3</em>

<em> </em>

<em>equality</em>

<em>2x + 9 = - 4x - 3</em>

<em>2x + 4x = - 9 - 3</em>

<em>6x = - 12</em>

<em>x = - 12 : 6</em>

<em>x = - 2</em>

<em>replace x = - 2</em>

<em>2(-2) + 9 = y</em>

<em>- 4 + 9 = y</em>

<em>y = 5</em>

<em>Good luck !</em>

<em />

<em />

8 0
3 years ago
The half-life of a certain radioactive material is 36 days. An initial amount of the material has a mass of 487kg. Write an expo
Lubov Fominskaja [6]

Answer:

442.302 kg

Step-by-step explanation:

amount = 487 (1/2)^(t/36) where t is the number of days.

if t = 5

amount = 487(.5)^(5/36)

= 442.302 kg

4 0
2 years ago
a communication satellite is 35800 km above the equator. Find its angle of elevation from Houston, whose latitude is 29.7
Ne4ueva [31]

Answer:

Step-by-step explanation:

7 0
3 years ago
Which equation demonstrates the distributive property?
Ilia_Sergeevich [38]

Answer:

distributive property

answer

C) 20 + 36 = 4(5 + 9)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
X - 13 = 5x + 7<br> a) -5<br> b) 3<br> c) 6<br> d) 2
Alex

x-13=5x+7\ \ \ \ |+13\\\\x=5x+20\ \ \ \ |-5x\\\\-4x=20\ \ \ \ |:(-4)\\\\x=-5\\\\Answer:\ a)\ -5

6 0
3 years ago
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