1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
gulaghasi [49]
3 years ago
5

All of the following expressions are equivalent to 12w + 6, except:

Mathematics
1 answer:
Cloud [144]3 years ago
7 0

Answer:

-1(12w-6)

Step-by-step explanation:

we have

(12w+6)

<u><em>Verify each expression</em></u>

case 1) -1(12w-6)

Apply distributive property

Remember that

(-1)(-1)=1

(-1)(1)=-1

-1(12w)-1(-6)

-12w+6

compare with the given expression

-12w+6 \neq (12w+6) ----> are not equivalent

case 2) 2(3+6w)

Apply distributive property

2(3)+2(6w)

6+12w

compare with the given expression

6+12w=(12w+6) ---> are equivalent

case 3) 6(1+2w)

Apply distributive property

6(1)+6(2w)

6+12w

compare with the given expression

6+12w=(12w+6) ---> are equivalent

case 4) -1(-12w-6)

Apply distributive property

Remember that

(-1)(-1)=1

(-1)(1)=-1

-1(-12w)-(1)(-6)

12w+6

compare with the given expression

12w+6=(12w+6) ---> are equivalent

You might be interested in
Solve for z <br><br> please help ?!???? or explain?
Sloan [31]

Answer:

Step-by-step explanation:

7 0
3 years ago
A bicycle depreciates at a rate of 15%. Theresa bought a bicycle for $250. How much should it be worth 6 years later?
malfutka [58]

Answer:

oooo

Step-by-step explanation:

oooooo

4 0
3 years ago
Read 2 more answers
Which problem can be solved by division of decimals?
evablogger [386]

Answer:

What is Jeremy’s average if he received a total of 323.7 points on 7 tests?

Step-by-step explanation:

You have to divide 323.7 points by 7 tests so it is the only division problem out of all the problems.

8 0
3 years ago
Read 2 more answers
The amount of protein that an individual must consume is different for every person. There are solid theoretical ideas that sugg
amid [387]

Answer:

The proportion of the population that have a protein requirement less than 0.60 g P • kg-1 • d-1 is 0.239, that is, 239 persons for every 1000, or simply 23.9% of them.

\\ 0.239 =\frac{239}{1000}\;or\;23.9\%

Step-by-step explanation:

From the question, we have the following information:

  • The distribution for protein requirement is <em>normally distributed</em>.
  • The population mean for protein requirement for adults is \\ \mu= 0.65 gP*kg^{-1}*d^{-1}
  • The population standard deviation is \\ \sigma =0.07 gP*kg^{-1}*d^{-1}

We have here that protein requirements in adults is normally distributed with defined parameters. The question is about <em>the proportion</em> <em>of the population</em> that has a requirement less than \\ x = 0.60 gP*kg^{-1}*d^{-1}.

For answering this, we need to calculate a <em>z-score</em> to obtain the probability of the value <em>x </em>in this distribution using a <em>standard normal table</em> available on the Internet or on any statistics book.

<h3>z-score</h3>

A z-score is expressed as

\\ z = \frac{x - \mu}{\sigma}

For the given parameters, we have:

\\ z = \frac{0.60 - 0.65}{0.07}

\\ z = \frac{0.60 - 0.65}{0.07}

\\ z = -0.7142857

<h3>Determining the probability</h3>

With this value for <em>z</em> at hand, we need to consult a standard normal table to determine what the probability of this value is.

The value for z = -0.7142857 is telling us that the requirement for protein is below the population mean (negative sign indicates this). However, most standard normal tables give a probability that a statistic is less than z and for values greater than the mean (in other words, positive values). To overcome this, we need to take the complement of the probability given for z-score z = 0.7142857, that is, subtract from 1 this probability, which is possible because the normal distribution is <em>symmetrical</em>.

Tables have values for <em>z</em> with two decimal places, then, for z = 0.7142857, we need to rewrite it as z = 0.71. For this value, the <em>standard normal table</em> gives a value of P(z<0.71) = 0.76115.

Therefore, the cumulative probability for values less than x = 0.60 which corresponds to a z-score = -0.7142857 is approximately:

\\ P(x

\\ P(x (rounding to three decimal places)

That is, the proportion of the population that have a protein requirement less than 0.60 g P • kg-1 • d-1 is

\\ 0.239 =\frac{239}{1000}\;or\;23.9\%

See the graph below. The shaded area is the region that represents the proportion asked in the question.

5 0
4 years ago
HELP ASAP!!! PLEASE!! (IMPORTANT) 13 and 14 please. ASAP!
lora16 [44]
Number 14 is area= 1075.21
3 0
3 years ago
Other questions:
  • What is the y-value when x equals 28? <br><br> y=330-40(x)
    8·2 answers
  • ∠A and ∠B are vertical angles. If m∠A=(3x-30)° and m∠B=(2x-9)°,then find the value of x.
    9·1 answer
  • How do you use the law of cosines or law of sines if you are given a=13 m, b=8.5 m, and c=9 m?
    5·1 answer
  • Strep throat is caused by Streptococcus bacteria. The amount of bacteria multiplies at a rate of 10^13 per 10^2 hours. Part B Wh
    10·1 answer
  • What is a 5% increase of 79
    10·1 answer
  • The lengths of the sides of a triangle are 7, 24 and 25. Classify the triangle as acute, right, or obtuse. Choose the correct ty
    10·1 answer
  • Nishi invests £3200 at 6% interest per year. Work out how much she will have altogether after: 2 years ​
    14·1 answer
  • HELP ASAP WILL GIVE BRAINLEST TO CORRECT ANSWER
    8·1 answer
  • If f(x) = 2 + 1, then f(3) =
    8·2 answers
  • Can someone pls help me <br> Ill give Brainly<br> NO BOTS OR ILL REPORT YOU
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!