What is the answer to number 9?

Mathematics

1 answer:

Lelu [443]2 years ago

6 0

NAP = 180 - NAC - PAT = 180 - 61 - 46 = 119 - 46 = 73 degrees

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B81%20%5Ctimes%208%7D%20" id="TexFormula1" title=" \sqrt{81 \times 8} " alt=" \sqr

laiz [17]

Answer:

Step-by-step explanation:

81 = 9 * 9 = 3 * 3 * 3 *3

8 = 2 * 2 * 2 *2

$\sqrt{81 * 8 } = \sqrt{3*3*3*3*2*2*2}\\\\=3 * 3 * 2 \sqrt{2}\\\\= 18\sqrt{2}$

6 0

2 years ago

Six more than twice a number is 24

Mars2501 [29]

Answer:

Step-by-step explanation:

I would say the answer is 6

6 + 6 than times by two is 24

3 0

3 years ago

A carpenter needs to cut down piece of wood that is 5.6 feet long to 1.71 feet . What is the measurement of the left over piece

7nadin3 [17]

Subtract the two numbers to find the measurement of the leftover piece
5.6 - 1.71 = 3.89 feet

7 0

3 years ago

LONG DIVISiON 1\8 pls ASAP

777dan777 [17]

Answer:

Step-by-step explanation:

7 0

2 years ago

PLEASE HELP ME!!!!!!!!!

vitfil [10]

$(x - 4) {}^{2} - 28 = 8 \\ (x - 4) {}^{2} = 8 + 28 \\ (x - 4) {}^{2} = 36$

This must be true for some value of x, since we have a quantity squared yielding a positive number, and since the equation is of second degree,there must exist 2 real roots.

$\sqrt{(x - 4) {}^{2} } = ± \sqrt{36} \\x - 4 = ±6 \\ x _{1}- 4 = 6 \: \: \: \: \: \: \: \: \: \: x _{2}- 4 = - 6 \\ x_{1} = 6 + 4 \: \: \: \: \: \: \: \: \: \: x_{2} = - 6 + 4 \\ x_{1} = 10 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: x_{2} = - 2$

Well he started off correct to the point of completing the square.

$(x - 3) {}^{2} = 16 \\ x - 3 = ±4 \\ \: x_{1} - 3 = 4 \: \: \: \: \: \: \: \: \: \: \: \: x_{2} - 3 = - 4 \\ x_{1} = 7 \: \: \: \: \: \: \: \: \: \: x_{2} = - 1$

8 0

9 months ago