3 years ago

Finding which number supports the idea that the rational numbers are dense in the real numbers?

Mathematics

1 answer:

marysya [2.9K]3 years ago

6 0

Answer:

an integer between –11 and –10

a whole number between 1 and 2

a terminating decimal between –3.14 and –3.15

Step-by-step explanation:

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A garden hose is 15 yards long. What is the length of the hose in inches?

Thepotemich [5.8K]

Answer:

540 inches

Step-by-step explanation:

1 yard equals 36 inches. Thus, a 15-yard hose has the measurement in inches of (36)(15) = 540

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3 years ago

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Find x and y. Please and thank you.

Sonja [21]

Answer:

x=9, y=14

Step-by-step explanation:

2x+27+2x+27=90

4x+54=90

4x=36

x=9

4y-19 = y+23

3y= 42

y=14

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3 years ago

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telo118 [61]

Without calculating, you can immediately see the absolute value sign, which implies that the final result (x) should be positive, not negative.

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3 years ago

How many four-digit numbers can be made from the numerals 7, 6, 5, and 3?<br><br> 24<br> 4<br> 12

Elena-2011 [213]

Answer:

12 different four digit numbers

Step-by-step explanation:

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3 years ago

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If tan(45) = 1 and tan (-45)= -1 , is tan(x) even or odd?

Kruka [31]

Answer:

A function is said to be 'odd' if:

$-f\left(x\right)\:=\:f\left(-x\right)\:for\:all\:x$

Therefore, $tan\:x$ is odd function.

Step-by-step explanation:

A function is said to be 'even' if:

$f\left(x\right)\:=\:f\left(-x\right)\:for\:all\:x$

A function is said to be 'odd' if:

$-f\left(x\right)\:=\:f\left(-x\right)\:for\:all\:x$

$tan\:\left(-45\right)\:=\:-1\:$

and we know that

$tan\:x=\frac{sin\:x}{cosx}$

$\:f\left(-x\right)=\frac{sin\left(-x\right)}{cos\left(-x\right)}=\frac{-sin\left(x\right)}{cos\left(x\right)}=-tan\left(x\right)=-f\left(x\right)$

Therefore, $tan\:x$ is odd function.

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4 years ago

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