3 years ago

Find the unknown 4×?× 8=64

Mathematics

2 answers:

iVinArrow [24]3 years ago

7 0

2 is the correct answer....gitty up

lara31 [8.8K]3 years ago

4 0

4*2*8=64 because 4 times 2 equals 8 and multiply that to 8 equals 64

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Fudgin [204]

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Solve the Pi Simultaneous equation using elimination 3x+2y=2 2x+2y =-7

torisob [31]

Answer:

x= 9

y=-12.5

Step-by-step explanation:

3x+2y = 2×2

2x+2y =-7×3

6x+4y =4

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2 years ago

Rationalize the denominator of \frac{1 \sqrt{3}}{1-\sqrt{3}}. When you write your answer in the form A B\sqrt{C}, where A, B, an

kobusy [5.1K]

Answer:

The value of ABC is 6.

Step-by-step explanation:

Consider the expression

$\frac{1+\sqrt{3}}{1-\sqrt{3}}$

Rationalize the denominator.

$\frac{1+\sqrt{3}}{1-\sqrt{3}}\times \frac{1+\sqrt{3}}{1+\sqrt{3}}$

$\frac{(1+\sqrt{3})^2}{1^2-(\sqrt{3})^2}$

$\frac{1^2+(\sqrt{3})^2+2\sqrt{3}}{1-3}$

$\frac{1+3+2\sqrt{3}}{-2}$

$\frac{4+2\sqrt{3}}{-2}$

$\frac{4}{-2}+\frac{2\sqrt{3}}{-2}$

$-2-\sqrt{3}$ ..... (1)

The answer in the form

$A+B\sqrt{C}$ .... (2)

On comparing (1) and (2), we get

$A=-2,B=-1,C=3$

We need to find the value of ABC.

$ABC=(-2)(-1)(3)=6$

Therefore the value of ABC is 6.

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3 years ago

HOW many right angles, obtuse angles and acute angles are there in this picture

ExtremeBDS [4]

Answer:

acute: 9

obtuse: 2

right: 2

Sorry if it wrong

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2 years ago