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Sauron [17]
2 years ago
7

Which of the following does not describes a dilation?

Mathematics
2 answers:
Romashka-Z-Leto [24]2 years ago
7 0

Answer:

isometry

Step-by-step explanation:

Kamila [148]2 years ago
5 0

Answer:

isometry

Step-by-step explanation:

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The sum of a number and 3 times its reciprocal is -4.Find the number
Butoxors [25]

Answer:

x = -1 or x = -3

Step-by-step explanation:

x + 3/x = -4

x² + 3 = -4x

x² + 4x + 3 = 0

(x + 1) (x + 3) = 0

x = -1 or x = -3

check: (-1) + (3/-1) = -1 - 3 = -4

           (-3) + (3/(-3)) = -3 -1 = 14

6 0
3 years ago
How to solve this problem
lozanna [386]

Answer:

<em>x = 2</em>

Step-by-step explanation:

We are given the equation 3 - 4x - 2 = 2x - 11;

3 - 4x - 2 = 2x - 11,\\3 - 2 = 6x - 11,\\1 = 6x - 11,\\12 = 6x,\\\\x = 2\\Conclusion, x = 2

If you want this explanation in a " statement reasoning " format refer to the attachment below;

8 0
3 years ago
Select the correct answer. For what value of x is sin x = cos 19º, where 0°&lt; x &lt; 90°? OA. 38° ° O B. 71° OC. 26° O D. 19°​
Lerok [7]

Answer:

x = 71°

Option B is correct answer.

Step-by-step explanation:

We need to find for what value of x is sin\: x = cos 19^{\circ}, where 0°< x < 90°?

Solving:

sin\: x = cos\: 19^{\circ}\\Finding \:cos\: 19^{\circ}=0.94551\\Putting\:value:\\sin\:x=0.94551\\Now\:taking\:sin\:inverse\\x=sin^{-1}(0.94551)\\x=71^{\circ}

So, we get x = 71°

Option B is correct answer.

5 0
2 years ago
6,000 mm= how many m<br> Pls help
AlexFokin [52]

Answer:

Step-by-step explanation:

1000 mm = 1 m

6000 mm = 6000/1000 = 6 m

8 0
3 years ago
Factor completely 9r^3-72r^2
PtichkaEL [24]

Answer:

9r²(r - 8)

Step-by-step explanation:

Step 1: Write expression

9r³ - 72r²

Step 2: Factor out 9

9(r³ - 8r²)

Step 3: Factor out r²

9r²(r - 8)

6 0
3 years ago
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