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Pani-rosa [81]
3 years ago
9

Please help me with the tables below!!!

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0

For the first table you need to plug the number given to you for x to the equation 4^-x. For example, a would be 1 because any number to the zeroth power is 1. Remember that a negative exponent will move the numerator to the denominator. For the second table you have to plug the numbers given to you for x into the equation (2/3)^x. For example, you would get 1 for d because any number to the zeroth power is 1.

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In a random sample of 130 students, only 7 had been placed in the wrong math class. What is the best point estimate for the prop
Ivenika [448]
We have the given  in the problem as mentioned:
A total of 130 students and only 7 had been placed in the wrong math class.
With this given, we can easily draw the proportion of all students who have been placed in the wrong math class by estimation method and the solution is shown below:

Proportion = 7/130
5 0
3 years ago
An astronaut is returning to earth in a spacecraft. If the spcecraft is descending at a rate of 13.81 kilometers per minute, wha
aalyn [17]

Answer:

-75.955 kilometers

Step-by-step explanation:

multiply the speed by the time to get distance

the spacecraft is descending, so change in height will most likely be answered as a negative number

13.81 × 5.5 = 75.955

5 0
3 years ago
If 2 and 4 are the factors of a number than is 8 always a factor? true or false
kotegsom [21]

Answer:

hmmm I think it's true, if it's not my bad.

4 0
3 years ago
Simplify the expression.
denis23 [38]

Answer:

option d

Step-by-step explanation:

\sf \boxed{a^m*a^n = a^{m+n}\\\\}

\sf \left(\frac{m^{-1}m^{5}}{m^{-2}} \right)^{-3} =\left(\dfrac{m^{-1+5}}{m^{-2}}\right)^{-3}

                 \sf = \left(\dfrac{m^4}{m^{-2}}\right)^{-3}\\\\

\boxed{\dfrac{a^{m}}{a^{n}}=a^{m+n}}

                    \sf = \left(m^{4-[-2]}\right)^{-3}\\\\      =\left(m^{4+2}\right)^{-3}\\\\       = \left(m^6\right)^{-3}\\\\

\boxed{(a^{m})^n=a^{m*n}}

                    \sf= m^{6*(-3)}\\\\    = m^{-18}

\boxed{a^{-m}=\dfrac{1}{a^m}}

                    \sf=\dfrac{1}{m^{18}}

8 0
2 years ago
5.
MatroZZZ [7]

Answer:

none of these

Step-by-step explanation:

3.2 would equal 30 because replace it

4.5 would equal 40

6.4 would equl 60

7.6 would eqaul 70

I could be wrong but this was how i was taught

8 0
4 years ago
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