2 years ago

Is the number -9/20 a rational number

1 answer:

Maslowich2 years ago

5 0

I believe it is a rational number

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Elanso [62]

Replace the x in 7x by (3x + 1):-

(f o g)(x) = 7 * (3x + 1)

= 21x + 7 which is choice D.

3 0

3 years ago

Levart [38]

Answer:

$(-27)^\dfrac{2}{3}$ = 9

Step-by-step explanation:

Given that,

Asn expression : $(-27)^\dfrac{2}{3}$

We need to evaluate the above expression.

We know that, $(-3)^3=-27$

So,

$(-27)^\dfrac{2}{3}=(-3)^{3\times \dfrac{2}{3}}$

$=(-3)^2\\\\=-3\times -3\\\\=9$

So, the value of $(-27)^\dfrac{2}{3}$ is 9. Hence, the correct option is (b).

8 0

3 years ago

g100num [7]

A is the answer to the equation

6 0

3 years ago

olga nikolaevna [1]

Answer:

Step-by-step explanation:

when you solve B you get 15 and for all the other ones you get a non-terminating decimal

8 0

2 years ago

icang [17]

The ansa is 256=(12+x)(12+x)

6 0

2 years ago