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Olin [163]
4 years ago
13

Factorise; 64-144a+108a²-27a³​

Mathematics
1 answer:
dem82 [27]4 years ago
3 0

plz. mark as brainliest.

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A boy is mowing a rectangular lawn 40ft long and 30ft wide. He has cut all of it except for a rectangle that is 20ft long and 15
sergejj [24]

Answer:

1/4

Step-by-step explanation:

Find the area of the full rectangle:

=> 40 x 30 = 1200

Find the area of the uncut part:

=> 20 x 15

=> 300

Make these numbers as a fraction.

=> 300 / 1200

=> 3/12

=> 1/4

So, 1/4 part remains uncut.

7 0
3 years ago
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Phillip saves $8 each month. How many months will it take him to save at least $60?
Grace [21]
8 months. Because 8 x 8 = 64.
Hoping this helps!!!:)
6 0
3 years ago
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Use De Moivre's theorem to write the complex number in trigonometric form.
almond37 [142]

Answer:

C is the correct answer

Step-by-step explanation:

the amplitude is multiplied by the power and the magnitude is raised to that power

3 0
3 years ago
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What is the image of the point (-7,9) after a rotation of 270 counterclockwise about the origin
erastovalidia [21]
Answer is (9, 7)

Step by step

Rule: 270 degrees counterclockwise about the origin our point A(x,y) becomes A'(y,-x).

This means, we switch x and y and make x negative.

So

(-7, 9) ➡️ ( 9, 7)
8 0
2 years ago
I’ll mark as BRANLIEST!!
ioda

Answer: the answer is C

5 0
3 years ago
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