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3 years ago

6

What type of number is

1 answer:

Anna [14]3 years ago

5 0

Answer:

C

Step-by-step explanation:

It's not rational. It can't be represented as a fraction.

It can't be a decimal the ends. If I told you want the hundredth digit was, you could not establish the 101st digit.

If you try to find the square of 7 using the calculator that comes with winds, you get an answer that goes out to 2 followed by the decimal followed by 31 digits. You cannot find a pattern nor can you find an ending.

sqrt(7) is irrational.

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Evaluate tan(sin^-1(-4/5)). Enter your answer as a fraction using the slash bar (/).

Anvisha [2.4K]

Answer:

-1333/1000

Step-by-step explanation:

Evaluate tan(sin^-1(-4/5)).

First we need to evaluate the expression in parenthesis

sin^-1(-4/5)

= sin^-1(-0.8)

= -53.13

SUbstitute the given value into the original expression as shown;

tan(sin^-1(-4/5))

= tan(-53.13)

= -1.333

= -1333/1000

Hence the required answer is -1333/1000

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2 years ago

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goldenfox [79]

Answer:

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5 x 9 = 45 +8 = 53

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311/9

8 0

3 years ago

Pls answer thank you

Rashid [163]

Answer:

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3 years ago

kifflom [539]

$\\ \sf\longmapsto \dfrac{x^2-1}{x^2+5x+4}\leqslant 0$

Solving denominator

$\\ \sf\longmapsto x^2+5x+4>0$

$\\ \sf\longmapsto x^2+4x+x+4>0$

$\\ \sf\longmapsto x(x+4)+1(x+4)>0$

$\\ \sf\longmapsto (x+4)(x+1)>0$

$\\ \sf\longmapsto x>-4\:or x>-1$

Hence x $\neq$ -1
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$\\ \sf\longmapsto -4$

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3 years ago

Find the value of the variable using these steps.

mash [69]

Step-by-step explanation:

0.4 x + 3.9 = 5.7

hope 0.4 x = 5.78 - 3.9

0.4x = 1.88

x = 1.88/0.4

x = 4.7

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3 years ago

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