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3 years ago

Anyone help giving 5 stars

Mathematics

1 answer:

Fittoniya [83]3 years ago

3 0

Answer:

! !

' .

, . <3

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You might be interested in

Find the product or quotient using only positive exponents

LenaWriter [7]

Answer:

$\frac{3x^6}{6x^{-1}}= \frac{1}{2}x^7$

Step-by-step explanation:

Given

$\frac{3x^6}{6x^{-1}}$

Required

Solve

In laws of indices, we have:

$\frac{x^m}{x^n} = x^{m-n}$

So, the expression becomes:

$\frac{3x^{6 - (-1)}}{6}$

$\frac{3x^{6 +1}}{6}$

$\frac{3x^7}{6}$

Divide 3 and 6 by 3

$\frac{1x^7}{2}$

$\frac{x^7}{2}$

This can be rewritten as:

$\frac{1}{2}x^7$

Hence:

$\frac{3x^6}{6x^{-1}}= \frac{1}{2}x^7$

3 0

3 years ago

The cost of renting a car is $29.00 a day plus $0.25 for every kilometre after the first 100km. What is the cost of renting the

ira [324]

Answer:

$461

Step-by-step explanation:

First, find the cost with the daily charge of $29.

Multiply 14 by 29, since the car was rented for 14 days:

14(29)

= 406

Find the cost with the distance traveled. Since there is only a charge after the first 100 km, subtract 100 from 320.

320 - 100

= 220

Find the charge by multiplying this by 0.25:

220(0.25)

= 55

Add this to the daily charge:

55 + 406

= 461

So, the cost will be $461

3 0

3 years ago

Can anyone help with pre- alerba

faust18 [17]

Answer:

$\sqrt{x^2} = |x|$

Step-by-step explanation:

$\sqrt{x^2} = |x|$

The radical symbol when used for a square root means the non-negative square root. You cannot state that sqrt(x^2) = x because x may be negative. That is why you need use the absolute value symbol.

7 0

3 years ago

A container contains 1212 diesel engines. The company chooses 88 engines at random, and will not ship the container if any of t

bija089 [108]

Answer:

The probability that a container will be shipped even though it contains 2 defectives if the sample size is 88, will be $P(S)=85.99\%$

Step-by-step explanation:

The first step is to count the number of total possible random sets of taking a sample size of 88 engines over 1212 engines of the population, so $\left[\begin{array}{ccc}1212\\88\end{array}\right] =1212C88=4.7205x10^{135}$

The second step is to count the number of total possible random sets of taking a sample size of 88 engines over 1210 engines (discounting the 2 defective engines) as the possible ways to succeed, so $\left[\begin{array}{ccc}1210\\88\end{array}\right] =1212C88=4.0596x10^{135}$

Finally we need to compute $\frac{\# ways\ to\ succeed}{\# random\ sets\ of \ 88} =\frac{4.0596x10^{135}}{4.7205x10^{135}}=0.8599=P(S)$ , therefore the probability that a container will be shipped is $P(S)=85.99\%$

7 0

3 years ago

Hi can someone please help me? If sin2A=cos 3A find the value of A. Can you please explain in full detail how you arrived at you

cupoosta [38]

6 0

3 years ago