3 years ago

Simplify this expression √8 + 6(√32 − √18)

Mathematics

1 answer:

iVinArrow [24]3 years ago

8 0

Answer: 8 square root 2

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I don’t get this work I can’t solve it

Darina [25.2K]

Answer:

Step-by-step explanation:

-7+1+ -1 * -6

Using PEMDAS, we multiply and divide first

-1*-6 = 6

Then we add and subtract from left to right

-7+1+ 6

-6+6 =0

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2 years ago

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Can sb help me understand this

vladimir2022 [97]

Answer:

135

Step-by-step explanation:

I solved it step by step in picture. U can have a look. ✌️

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3 years ago

Point O is the center of the given circle. What is the measure of YZ?

Rina8888 [55]

Let a chord join YZ, then angle XYZ = 90° and angle XZY = 90 - 54 = 36°
angle OYZ = angle XZY = 36°

Therefore, the measure of YZ = 180 - 36 - 36 = 108°

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3 years ago

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Verizon [17]

20. x > 15
19. x $\leq$ -8
21. x $\geq$ 42

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3 years ago

Use the method of completing the square to solve x2 - 6x + 1 = 0. Simplify your solutions.

exis [7]

Answer:

x = 3 ± 2 $\sqrt{2}$

Step-by-step explanation:

given

x² - 6x + 1 = 0 ( subtract 1 from both sides )

x² - 6x = - 1

To complete the square

add (half the coefficient of the x- term)² to both sides

x² - 6x + (- 3)² = - 1 + (- 3)²

x² - 6x + 9 = - 1 + 9

(x - 3)² = 8 ( take the square root of both sides )

x - 3 = ± $\sqrt{8}$ = ± 2 $\sqrt{2}$ ( add 3 to both sides )

x = 3 ± 2 $\sqrt{2}$

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3 years ago