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4 years ago

Is the square root of 9/16 a irrational number helpppppppppppppppppppppp

Mathematics

2 answers:

Sergeeva-Olga [200]4 years ago

5 0

Answer:

No, it isn't. The answer is 0.75

Step-by-step explanation:

oee [108]4 years ago

3 0

Answer:

0.75

Step-by-step explanation:

$\sqrt{\frac{9}{16}$ $= \frac{3}{4}$

$\frac{3}{4} = 0.75$

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The distance from the origin to the point(-15,20)

Anastasy [175]

Answer:

25 units.

Step-by-step explanation:

The origin is (0,0)

There using distance formula.

$\sqrt{(y2 - y1) { }^{2} + (x2 - x1) {}^{2} }$

$\sqrt{0 - ( - 15) {}^{2} + (0 - 20) {}^{2} }$

$\sqrt{15 {}^{2} + 20 {}^{2} }$

$\sqrt{625}$

Answer is 25 units.

3 0

3 years ago

10/20 greater or less than 1/10

Vlad1618 [11]

10/20 reduces down to 1/2, so it is actually much greater than 1/10.

7 0

3 years ago

If sin A= 0.8, find the positive value of cos A

Ahat [919]

Answer:

cosA = 0.6

Step-by-step explanation:

Using the Pythagorean identity

sin²A + cos²A = 1 ( subtract sin²A from both sides )

cos²A = 1 - sin²A ( take the square root of both sides )

cosA = ± $\sqrt{1-sin^2A$

Since only the positive value is required , then

cosA = $\sqrt{1-(0.8)^2}$

= $\sqrt{1-0.64}$

= $\sqrt{0.36}$

= 0.6

6 0

3 years ago

Read 2 more answers

Suppose a normal distribution has a mean of 62 and a standard deviation of

lutik1710 [3]

Answer:

62.5%

Step-by-step explanation:

(56 - 62) / 4 = -1.5 z score = 0.0668

(64 - 62) / 4 = 0.5 z score = 0.6915

0.6915 - 0.0668 = 0.6247

Rounded this becomes 62.5%

7 0

3 years ago

Complete the equation of the line through (2, 1) and (5, -8).<br> Use exact numbers.<br><br> y = ___

KATRIN_1 [288]

Answer:

y= 21/2(3)

Step-by-step explanation: Use exact numbers.

y = ___

3 0

4 years ago