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nlexa [21]
3 years ago
7

Rewrite the following without an exponent. (9/5^-2)​

Mathematics
1 answer:
zvonat [6]3 years ago
6 0

Answer:

225

Step-by-step explanation:

5^-2 can be rewritten as 1/25.

Then we can divide 1/25 by 9. 9/(1/25)= 225

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Given that g(t)=t2-t And f(x) =1+x<br> Find g(f(0)) + f(g(0))
marshall27 [118]

Answer:

The correct  answer is 1

Step-by-step explanation:

The composite function g(f(x)) will be given by;

(1+x)^2 -(1+x)

Substituting x with zero yields g(f(0)) =0.

On the other hand, the composite function f(g(t)) will be given by;

1+t^2-t

Substituting t with zero yields f(g(0)) =1

Finally, g(f(0)) + f(g(0)) =0+1 = 1.

7 0
3 years ago
Which of the following is a polynomial with roots 4, -5 and 7?
Illusion [34]
Required polynomial is (x - 4)(x + 5)(x - 7) = (x - 4)(x^2 - 2x - 35) = x(x^2 - 2x - 35) - 4(x^2 - 2x - 35) = (x^3 - 2x^2 - 35x) - (4x^2 - 8x - 140) = x^3 - 2x^2 - 35x - 4x^2 + 8x + 140 = x^3 - 6x^2 - 27x + 140
4 0
4 years ago
Select the best answer for the question. 7 1/5 – 6 2/5 = ?
Grace [21]
7 1/5 = 36/5
6 2/5 = 32/5
36/5 - 32/5 = 4/5

a. 4/5
6 0
4 years ago
Ben is showing his work in simplifying (3.9 − 9.4) − 0.6 + 6.1. Identify any error in his work or reasoning.
Serjik [45]

Answer:

Should have worked out brackets first then kept it to two subtractions (one being negative number total and the other being positive total number at step  3 ) taking you to step 4 as finish to just add the two numbers a( - 5.3)  + (5.5) = 0.2

Step-by-step explanation:

(3.9 − 9.4) − 0.6 + 6.1.  To simplify do brackets first so the first error was Step 2 line we show (3.9 − 9.4)− 0.6 + 6.1  below = to (-5 .3) − 0.6 + 6.1 Then to simplify Step 3 line there was a second error as 3.9 was never a simplification of the brackets and here is how it should be ( - 5.3)  − 0.6 + 6.1  = ( - 5.3)  + (5.5)  =   ( - 5.3)  + (5.5) Then to simplify Step 4 line we wont need a step 5 and are left to just add the two numbers ( - 5.3)  + (5.5) = 0.2

3 0
3 years ago
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The price of a technology stock has dropped to $9.61 today. Yesterday's price was
Lorico [155]
I think its either 1% or 2%
5 0
3 years ago
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