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AfilCa [17]
3 years ago
11

Find the cube root of a) 729 ÷ 512​

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
4 0

Answer:

1.125

Step-by-step explanation:

729/512=1.423828125

3√1.423828125=1.125

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Factorise the following.<br> 49g^2 - 36h^2 - 28g - 24h
vagabundo [1.1K]

Answer:  -4(7g - 6h)(7g + 6h)

<u>Step-by-step explanation:</u>

Separate the 4 terms into two groups of 2 terms. Then factor out the GCF of each group. You should end up with a common factor in each group - that is one of the factors.  The other factor is what you factored out from each term.

  49g² - 36h²              - 28g - 24h

(7g - 6h)(<u>7g + 6h</u>)          -4(<u>7g + 6h</u>)

They both have a common factor of (7g + 6h)

The terms factored out are (7g - 6h) and -4

So, the factorization is: -4(7g - 6h)(7g + 6h)

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Angle B is 45% of angle A. Angle C is 35% of angle A. What is the measurement of angle A?
mafiozo [28]

We assume , A, B, and C are angles of a triangle.
The sum of angles of a triangle is equal to 180º; therefore:
A+B+C=180º

B is 45% of angle A; then B=0.45A
C is 35% of anble A; Then C=0.35A

We can suggest this equation;
A+0.45A+0.35A=180
1.8A=180
A=180/1.8
A=100

Answer: The measurement of angle A is 100º.
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podryga [215]

Answer:

i can assure you that this answer is correct on edge, enjoy !!brainliest would be appreciated ^^(2021)

Step-by-step explanation:

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If 7(3x+9) and 21x + T are equivalent, what is the value of T?
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Answer:

63

Step-by-step explanation:

Because 7(9)=63.

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