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Nitella [24]
3 years ago
9

What is (9/8)^3x+12=1

Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0

Answer:

x = -88/27 = -3.259

Step-by-step explanation:

It was really hard to figure out but this should be it

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The operation * on the set Z of integers is defined by x*y = 3x + 2y - 1, x, y E Z. Find the value of x such that x*2=5​
Assoli18 [71]

Answer:

x = 2/3

Step-by-step explanation:

Let's unpack the equation x*2=5 from our definition of *:

x*2=3x+2(2)-1=5 (where x\in \mathbb{Z})

Now that we've got things defined in terms of familiar operations, we can simplify and solve for x:

3x+2(2)-1=5\\3x+4-1=5\\3x+3=5\\3x=2\\x=2/3

8 0
2 years ago
In the following scenario for a hypothesis test for a population? mean, decide whether the? z-test is an appropriate method for
Alik [6]
D

This is the right answer
4 0
2 years ago
In reciprocal is the denominator one unit
docker41 [41]
Not always if you're saying it will always be something like 1/2 becomes 2/1 with a unit of one. It's just flipped, so 2/6 will be 6/2, 4/5 becomes 5/4, 22/16 becomes 16/22 etc. That is all there is to it. Make sure you simplify your answers.
5 0
3 years ago
Please help I'll give brilliantist:)​
Scilla [17]

Answer:

-7

Step-by-step explanation:

The full coordinate is (-7,3) the dot is on the line between -6 and -8

8 0
3 years ago
Read 2 more answers
Bob's mom is 3 times older than Bob. In 12 years, Bob's mom's age will be twice of
shusha [124]

I would use a chart to solve this problem.

This is a good wya to organize your information.

Down the left side, list the people involved.

I put Bob first and the mom second but the order doesn't matter.

Since Bob's mom is 3 times older than Bob, we can represent

Bob's age now as x and Bob's mom's age now as 3x.

Bob's age in 12 years will be x + 12 and Bob's mom's

age in 12 years will simply be 3x + 12.

Since the second sentence starts with in 12 years,

we will be using the information from our second column.

In 12 years, Bob's mom's age, 3x + 12, will be,

equals, twice of her son's age, 2(x + 12).

Solving from here, we find that x = 12.

This means that Bob's age now is 12 and his mom is 36.

The chart is attached below.

6 0
3 years ago
Read 2 more answers
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