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3 years ago

Rewrite the expression in the form z". 3

Mathematics

2 answers:

SashulF [63]3 years ago

6 0

^ They are correct hope it helped

vivado [14]3 years ago

5 0

Answer:

$z^{\frac{1}{3}}$

Step-by-step explanation:

$\frac{z^{-\frac{1}{3} }}{z^{-\frac{5}{6} }} \\\\=z^{-\frac{1}{3} }*z^{\frac{5}{6} }\\\\=z^{-1/3+5/6}\\\\=z^{-2/6+5/6}\\\\=z^{3/6}\\\\=z^{1/3}\\\\=z^{\frac{1}{3} }$

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Find the missing number so that the equation has no solutions. 5x+1-3x=_x+13

joja [24]

Answer:

You may just add 2 in the spot. Moreover, you get no solution.

Step-by-step explanation:

Hope this helped!

7 0

3 years ago

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Sonja [21]

Hope this can help you :)

5 0

3 years ago

Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places

Sergeeva-Olga [200]

Solution: Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places 5 calls. what is the probability that none of them reaches a live person.

Answer: The given random experiment can be considered as binomial experiment with probability of success = 0.2 and number of trials = 5

Therefore, we have:

$n=5,p=0.2,q=(1-p)=1-0.2=0.8$

Let x be the number calls that reach to live person.

We have to find $P(x=0)$

Using the binomial probability distribution, we have:

$P(x=0)=\binom{5}{0}0.2^{0} (1-0.2)^{5-0}$

$=1 \times 1 \times 0.8^{5}$

$=0.3277$

Therefore, the probability that none of them reaches a live person is 0.3277

6 0

3 years ago

Need help on this! Please help

Olegator [25]

Answer:

PDR= 127

Step-by-step explanation:

3 0

3 years ago

A boat traveled 280 miles downstream and back. The trip downstream took 7 hours. The trip back took 14 hours. Find the speed of

Brrunno [24]

Let, the speed of boat = x
Speed of current = y
So, x + y = 280/7
x + y = 40 ---- first equation

x - y = 280/14
x - y = 20
x = 20 + y

Substitute this value of x in first equation,
20 + y + y = 40
2y = 40 - 20
y = 20/2
y = 10

Substitute this in first equation,
x + 10 = 40
x = 30

In short, Speed of Boat = 30 mph, & speed of current = 10 mph

Hope this helps!

5 0

4 years ago