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zavuch27 [327]
3 years ago
8

What is the value of f(x)= 9^x when x=-2? A) 1/8 B) 81 C) 1/18 D) 18

Mathematics
1 answer:
lions [1.4K]3 years ago
4 0
Substitute -2 in for x and get (9)^-2
Flip the equation so that the exponent is positive and get 1/9^2
Work it out 1/(9*9) = 1/81

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Please answer this ASAP! I need to prove my math teacher I can do work on my own bc she blocked me from class!
Mashutka [201]

Answer:

the equivalent expression is 11

Step-by-step explanation:

the solution is so simple :-

=》4- (-7)

=》4 + 7

( it became plus because, when two minus (-) are multiplied with each other, then they form plus (+)

=》11

8 0
2 years ago
PLEASE HELP!!! WILL GIVE BRAIN!!!
Gennadij [26K]

Answer: the square root of -1 is i.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Multiply -1/7 x 5/3<br> Write your answer in simplest form.
frez [133]

Here is your answer

\huge\frac{ - 5}{21}

REASON:

Given,

\frac{ - 1}{7}  \times  \frac{5}{3}

The numerator of one fraction is multiplied to the numerator of other and same is in the case of denominator.

\frac{ - 1 \times 5}{7 \times 3}

=   \frac{ - 5}{21}

HOPE IT IS USEFUL

6 0
2 years ago
Read 2 more answers
(-71+ -2)+ (25+104)=
uranmaximum [27]

Answer:

56

Step-by-step explanation:

(-71+-2) + (25+104)=

-73 + 129 = <u>56</u>

4 0
2 years ago
Trevor has 1/3 of baseball card collection. His grandmother gives him another 1/8 of the same collection for his birthday. What
Dmitriy789 [7]

Answer:

11/24

Step-by-step explanation:

You have to add 1/3 and 1/8 together to solve this problem. To do this make 1/3 and 1/8 have a common denominator of 24.

Multiply 1/3 by 8/8 and 1/8 by 3/3.

  • 1/3 * (8/8) = 8/24
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Now add these two fractions together.

8/24 + 3/24 = 11/24

Since this fraction cannot be simplified further, Trevor has 11/24 of a baseball card collection.

5 0
2 years ago
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