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sweet-ann [11.9K]
3 years ago
10

State the domain and range for the function. f(x)=3cot(2x)

Mathematics
1 answer:
kozerog [31]3 years ago
7 0
Please see attached image for the answer
Range: all real numbers

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A projector enlarges an image in the ratio 20:1. What will be the size of an enlargement of a picture that is 8cm by 6cm?
nydimaria [60]

Answer:

160 cm × 120 cm

Step-by-step explanation:

this means 1 cm turns into 20 cm.

so, 8 cm × 6 cm becomes

8×20 = 160 cm × 6×20 = 120 cm

3 0
1 year ago
I NEED THESE ANSWERS ASAP If you can't answer some of them that is fine
fredd [130]
Hope this helped you :)

7 0
3 years ago
The diagonals of a square measure 14 cm. Which is the length of a side of the square? f.142√ cm g.72√ cm h.143√ cm j.73√ cm
Lera25 [3.4K]
Since it is a square, the diagonals are congruent. If a square is split like this, it becomes two congruent right triangles. The relationship between the sides and hypotenuse is a 1:\sqrt{2} ratio. So if the diagonal of a square is 14 cm, then the side length would be 14/\sqrt{2}, which is approximately 9.899. I don't understand what the answer choices are, but you should be able to square root the numbers to determine the answer. 
8 0
4 years ago
What are the x-intercepts of the parabola?
Natasha_Volkova [10]

Answer:

(5, 0) and (4, 0)

Step-by-step explanation:

According to the graph shown, the parabola passes trough the points (4,0) and (5,0). Therefore, they are the x-intercepts of the parabola.

3 0
3 years ago
Read 2 more answers
Need help with this NOW plzzzzz!!!!
Mazyrski [523]
Hello!

The circumference is the diameter multiplied by pi, or the distance around a circle. Since we already have the circumference, and need to find the diameter, we will divide the circumference by pi(3.14).

113.04/3.14=36

The diameter of the circle is 36 units.

I hope this helps!
3 0
3 years ago
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