[ 3+ ( 18 - 4 ) / 7 ] * 8

Answers

Answer 1
First, subtract 4 from 18.

[3+(14)/7]*8

Next, divide by 7.

[3+2]*8

Now, add.

[5]*8

The answer is 40. I hope this helped! (just your pemdas)
Answer 2
[ 3+ ( 18 - 4 ) / 7 ] * 8 = 40

Related Questions

A video editor takes 15 hours to add a

Answers

so the Level III editor does it in 15 hours, the Level II(slower) does it in 25 hours and the Level I(even slower), does it in 34 hours.

now, since the Level III one does it in 15 hours, in 1 hour alone, how much has it done?  well, it only has done 1/15 of the whole work.

the Level II has 1 hour done only 1/25 of the whole work then, and the Level I has only done 1/34 of the whole work.

now, say they all do it in "t" hours, so how much have they edited in 1 hour altogether then?  well, they have only done 1/t.

[tex]\bf \stackrel{\textit{Level III rate}}{\cfrac{1}{15}}+\stackrel{\textit{Level II rate}}{\cfrac{1}{25}}+\stackrel{\textit{Level I rate}}{\cfrac{1}{34}}~~=~~\stackrel{\textit{total work done}}{\cfrac{1}{t}} \\\\\\ \textit{doing a quick prime factoring, we end up with an LCD of }\underline{2550}~thus[/tex]

[tex]\bf \cfrac{1}{15}+\cfrac{1}{25}+\cfrac{1}{34}=\cfrac{1}{t}\implies \cfrac{170~+~102~+~75}{2550}=\cfrac{1}{t}\implies \cfrac{247}{2550}=\cfrac{1}{t} \\\\\\ 247t=2550\implies t=\cfrac{2550}{247}\implies t=10\frac{80}{247}\implies t\approx 10hrs,~19min[/tex]

For the initial value problem y' −xy = x, y(0) = 1. write down the first four nonzero terms of the series

Answers

Not clear if you're supposed to find a series solution to the ODE, or solve exactly then give the requested terms of the series expansion of the that solution...

The exact solution is easy enough to find. We can separate the variables:

[tex]y'-xy=x\iff \dfrac{\mathrm dy}{\mathrm dx}=x(1+y)\implies \dfrac{\mathrm dy}{1+y}=x\,\mathrm dx[/tex]
[tex]\implies\ln(1+y)=\dfrac{x^2}2+C[/tex]
[tex]\implies y=Ce^{x^2/2}-1[/tex]

Given that [tex]y(0)=1[/tex], we have

[tex]1=C-1\implies C=2[/tex]

Then recall that

[tex]e^x=\displaystyle\sum_{n\ge0}\frac{x^n}{n!}[/tex]

to write the solution as

[tex]y=2\displaystyle\sum_{n\ge0}\frac{\left(\frac{x^2}2\right)^n}{n!}-1[/tex]
[tex]y=1+2\displaystyle\sum_{n\ge1}\frac{\left(\frac{x^2}2\right)^n}{n!}[/tex]

so the first four terms of the series are

[tex]1+x^2+\dfrac{x^4}4+\dfrac{x^6}{24}[/tex]

Check the answer that best describes the relationship between f(x) and x. (for example if f(x) is θ(x)θ(x) check that as your answer and not o(x)o(x) or ω(x)ω(x) even though these are true also in this case.)

Answers

Which course is this for? I feel like I may need a little more information, but the simplest explanation I can give given the question is:

f(x) is the value of a function f evaluated at the value x. The formal definition of a function is a particular set of rules that associates a particular value with another. For an analogy: you can think of as a machine that takes in an input, transforms it according to a certain set of rules, and produces an output. In this analogy, x would be the input and f(x) would be the output.

How much money should be invested at 5% interest, compounded quarterly, so that 7 years later the investment will be worth $5000? This amount is called the present value of $5000 at 5% interest.

Answers

[tex]\bf \qquad \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\to &\$5000\\ P=\textit{original amount deposited}\\ r=rate\to 5\%\to \frac{5}{100}\to &0.05\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{quarterly, four times} \end{array}\to &4\\ t=years\to &7 \end{cases} \\\\\\ 5000=P\left(1+\frac{0.05}{4}\right)^{4\cdot 7}\implies 5000=P(1.0125)^{28}\\\\\\ \cfrac{5000}{(1.0125)^{28}}=P[/tex]

Prove or disprove that the product of two irrational numbers is irrational

Answers

Hi. The statement you gave is somewhat true, but not always. I disprove this and there are tons of websites that can help you with more in depth explanation. Have a good day.

The product of two irrational numbers can be either rational or irrational.

The product of two irrational numbers is not always irrational. To understand this, let's consider an example and a counterexample.

Example of an Irrational Product

Take the square root of 2 (\/(2)) and the square root of 3 (\/(3)). Both of these numbers are irrational. Their product is:

\/2 × \/3 = \/6

Since \/6 cannot be expressed as a fraction of two integers (making it irrational), this is an example where the product of two irrational numbers is irrational.

Counterexample of a Rational Product

Now, consider another example with \/(2) and \/(2). Since both are irrational, their product is:

\/2 × \/2 = 2

Here, 2 is a rational number because it can be written as a fraction (2/1). Therefore, this is a counterexample where the product of two irrational numbers is rational.

In summary, the product of two irrational numbers can be either rational or irrational depending on the specific numbers involved.

Sales at a local ice cream shop went 80% in 5 years. If 12,000 ice cream cones were sold in the current year find the number of ice cream cones sound in 5 years

Answers

First:  a little editing is needed.

"Sales at a local ice cream shop went 80% in 5 years. If 12,000 ice cream cones were sold in the current year find the number of ice cream cones sound in 5 years" should be "Sales at a local ice cream shop increased by 80% over 5 years. If 12,000 ice cream cones were sold in the current year find the number of ice cream cones sold in 5 years."

What y ou need to do here is to multiply "12,000 ice cream cones" by 1.80, which will produce a result including the original 12,000 cones PLUS 80% more cones:

1.80(12,000 cones) = 21,600 cones.

What is the distance between 0.5 to -1.5

Answers

7.07 is the distance between the two points
the difference is one

Find f`(x) for the following function. Then find f(5),f(0),f(-9).
f(x)=2x+1 (simplify)

Answers

If f`(x) means the derivative, or gradient, of f, then the answer is 2.
f(5)=11, f(0)=1 and f(-9)=-17.
We can calculate the gradient using these values:

Gradient=(11-1)/(5-0)=(-17-1)/(-9-0)=(-17-11)/(-9-5)=2.

By decreasing each dimension by 1 unit​, the area of a rectangle decreased from 40 square feet​ (on the​ left) to 28 square feet​ (on the​ right). Find the percent decrease in area.

Answers

Attached a pic of the solution (s).
Final answer:

The percent decrease in the area of a rectangle from 40 square feet to 28 square feet is calculated by dividing the difference in areas (12 sq ft) by the original area (40 sq ft) and multiplying by 100%. The result is a 30% decrease in area.

Explanation:

The percent decrease in the area of a rectangle can be found by first calculating the difference in the areas and then dividing that difference by the original area. In this case, the original area of the rectangle was 40 square feet and it decreased to 28 square feet, a difference of 12 square feet.

We use the formula for percentage change which is:

(change in value) / (original value) × 100%

Here, the change in value is the difference in areas (12 square feet) and the original value is the original area of the rectangle (40 square feet). Thus we calculate:

(12 sq ft/ 40 sq ft) * 100% = 30%

So, the percent decrease in the area of the rectangle is 30%.

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How do i solve this equation and how did you do it

Answers

   If      f(x) = (3x + 7)²
then   f(1) = (3(1) + 7)²
                =  10²
     ⇒  f(1) = 100  [OPTION E]

You took 500 calls in 30 days that means I took a average of

Answers

you have to divide 500 and 30 and you get 16.66%

Answer:

17 calls

Step-by-step explanation:

You took 500 calls in 30 days.

We have to calculate the average calls per day.

Average calls = [tex]\frac{\text{Total calls}}{\text{total days}}[/tex]

                      = [tex]\frac{500}{30}[/tex]

                      = 16.7 ≈ 17 calls per day

That means i took an average 17 calls per day.

what is the mean of this data if necessary round your answer to the nearest tenth. please help with my homework

Answers

First add all of the values together 

12 + 16 + 22 + 23 + 34 + 44 + 46 + 47 + 48 + 64 + 67 + 73 + 83 + 88 + 89 = 756

Then divide the answer by the total number of values

Number of values = 15 

756 / 15 = 50.4 

How can you check to see if this equation is correct? 12+39=49

Answers

Use the equation 49 - 39 = ___ and see if you get 12. You can also flip it and use 49 - 12 = ___ and see if you get 39.

Answer:

By solving it.

Step-by-step explanation:

In order to see if the equation is correct, you just have to perform the operations in both sides of the inequality and then check if those are equal, that means that the equation is correct, for example if both sides of the equation give as a result 10 then the equation is correct, now let´s do it with the problem:

12+39=49

51=39

Since 51 is not equal to 39 that means that the equation is not correct.

Only the Fahrenheit one plz

Answers

The formula given is:
F = 1.8C + 32
The temperature C is given as -20
So, all you have to do is plug the given C temperature in the formula to get the corresponding F temperature as follows:
F = 1.8(-20) + 32 = -36 + 32 = -4 degrees Fahrenheit

Rose bought 7/20 kilogram of ginger candy and 0.4 kilogram of cinnamon candy. Which did she buy more of? Explain how you know.

Answers

7/20= .35 and .4 can also be .40 so rose bought more ginger

Answer:

Rose bought cinnamon candy more of.

Step-by-step explanation:

Rose bought ginger candy = [tex]\frac{7}{20}[/tex] kilogram

                                             = 0.35 Kilogram

She bought cinnamon candy = 0.4 kilogram

As we know 1 kilogram = 1000 grams

0.35 kilogram = 1000 × 0.35 = 350 grams ginger candy

0.4 kilograms = 1000 × 0.4 = 400 grams cinnamon candy

Therefore, She bought cinnamon candy more.

The Clemson Tiger Football team won the 2016 College Football National Championship. During the regular season, they won 11 games and lost 1. The data set below is the number of points by which they won (positive values) or lost (negative value) each game.

{6,6,59,19,6,46,7,3,54,−1,22,49} = {-1,3,6,6,6,7,19,22,46,49,54,59}

What is the median? ________
What is the mode? _________
What is the mean? _________
What is the 5% trimmed mean? (Round to the nearest whole number when determining the number of values to trim).
Are these averages parameters or statistics?

Answers

median  is the middle value, since there is an even number, add the 2 middle numbers and divide by 2

median = 9 +17 = 26/2 = 13

mode is the number that is repeated most often

mode = 6

mean is the average of all the numbers, when added they equal 276

276/12 = 23

mean = 23

5% trimmed mean = 218 /10 = 21.8

 the averages are statistics since the points of a football game can vary

Which of the following is true?

1.75 > 1½

0.25 ≠ ¼

0.2185 = ⅓

1.436 < 25⁄2

Answers

Okay. 1.75 (1 3/4) is greater than 1 1/2. 0.25 is equivalent to 1/4. 0.2185 is not equal to 1/3, and 1.436 is less than 25/2 (12 1/2), But wait. If there is only one answer, then the answer is definitely A. If there can be two answers, then the answers are A and D.
Final answer:

After converting all values to decimal form for consistent comparison, the statements '1.75 > 1½' and '1.436 < 25⁄2' are true, while the statements '0.25 ≠ ¼' and '0.2185 = ⅓' are false.

Explanation:

The question is asking to compare different given values, either greater than (>), not equal to (≠), or less than (<). To do this accurately, we need to convert all numbers to a common form. In this case, it is easiest to consider everything as decimal values:

1.75 is indeed greater than 1½ (which is 1.5 in decimal), so 1.75 > 1½ is true.0.25 is equal to ¼ (which is also 0.25 in decimal), therefore 0.25 ≠ ¼ is false. 0.2185 is not equal to ⅓. ⅓ in decimal is approximately 0.333, so 0.2185 = ⅓ is false. 1.436 is less than 25/2 (which is 12.5 in decimal form), so 1.436 < 25⁄2 is true.

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The height of Niagara falls is 182.How many yards high is Niagara falls

Answers

i believe the answer is 60.6
Final answer:

To convert the height of Niagara Falls from meters to yards, we multiply the given height of 182 meters by the conversion factor of 1.09361 yards per meter, which gives us approximately 199.18 yards.

Explanation:

The height of Niagara Falls is provided in this question as 182. However, no units are given so let's assume this is in meters as that's a common unit for height. The conversion factor from meters to yards is approximately 1 meter = 1.09361 yards. Therefore, we multiply the given height in meters by this conversion factor to get the height in yards.

First, identify the height given in the question- here it is 182.Next, apply the conversion factor: 182 meters * 1.09361 yards/meter.Doing this multiplication gives us approximately 199.18 yards.

So, Niagara Falls is approximately 199.18 yards high when converted from meters.

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A store had 888 sodas, both diet and regular. The ratio of diet sodas to regular sodas was 8:4. How many diet sodas were there?

Answers

so you need to divide 888 by 12 to find how much much is 1 in the ratio, 888/12=74 
so, diet sodas,

74*8=592

there were 592 diet sodas.

Hope this helps.


Answer:no. I don’t understand. Where did the 12 come from

Step-by-step explanation:

identify the product and it in scientific notation. 4.7 x(6.02 x 10^23)

Answers

4.7 x(6.02 x 10^23)
= (4.7 x 6.02)(4.7 x 10^23)
= (2.8294 x 10^1)(4.7 x 10^23)
= (2.8294 x 4.7)(10^1 x 10^23)
= 13.29818 x 10^24
= 1.329818 x 10^25

the product of [tex]\( 4.7 \times (6.02 \times 10^{23}) \) is \( 2.8294 \times 10^{24} \).[/tex]

Sure, let's identify the product and express it in scientific notation.

[tex]\( 4.7 \times (6.02 \times 10^{23}) \)[/tex]

To find the product, we simply multiply the two numbers:

[tex]\( 4.7 \times 6.02 \times 10^{23} \)[/tex]

First, we multiply 4.7 by 6.02:

[tex]\( 4.7 \times 6.02 = 28.294 \)[/tex]

Next, we multiply this result by [tex]\( 10^{23} \):[/tex]

[tex]\( 28.294 \times 10^{23} \)[/tex]

Now, to express this product in scientific notation, we need to adjust the decimal point so that the number is between 1 and 10:

[tex]\( 2.8294 \times 10^{24} \)[/tex]

Therefore, the product of [tex]\( 4.7 \times (6.02 \times 10^{23}) \) is \( 2.8294 \times 10^{24} \).[/tex]

1. First, we multiplied 4.7 by 6.02 to get 28.294.

2. Then, we multiplied this result by [tex]\( 10^{23} \)[/tex] to shift the decimal point 23 places to the right, resulting in[tex]\( 2.8294 \times 10^{24} \)[/tex]  in scientific notation.

This method helps in handling large numbers efficiently, especially when dealing with calculations involving scientific notation and significant figures.

complete question

identify the product and it in scientific notation. 4.7 x(6.02 x 10^23)

The length of a ribbon is 3/4 meter. Sun Yi needs pieces measuring 1/3 meter for an art project. What is the greatest number of pieces measuring 1/3 meter that can be cut from the ribbon? How much ribbon will be left after Sun Yi cuts the ribbon?

Answers

the greatest number of pieces is 2 pieces. There will be 1/12 remaining

if f'(2) = 3.1 and g'(2)=7.3 then the graph of f(x)+g(x) has slope 10.4 at x=2.True or false

Answers

For functions, its derivative on a certain variable is its slope. This means that the slope of f(2) is 3.1 and that of g(2) is equal to 7.3. 

To determine the slope of the f(x) + g(x) in terms of x is equal to,
             f'(x) + g'(x) 
Then, substitute x with 2,
            f'(2) + g'(2)
Substituting the known values,
           3.1 + 7.3 = 10.4

Hence, the answer is TRUE. 

Final answer:

The statement is true, as the slope of the graph of f(x)+g(x) at x=2 is the sum of the slopes of f and g at that point, which equals 10.4.

Explanation:

The statement is true.

In calculus, the derivative of a function at a particular point measures the rate at which the function is changing at that point. It is analogous to the slope of the tangent line to the graph of the function at that point.

When we are given that f'(2) = 3.1 and g'(2) = 7.3, these values represent the slopes of the functions f and g at x = 2, respectively.

To find the slope of f(x) + g(x) at x = 2, we simply add the slopes of f and g at that point. This is based on the rule that the derivative of the sum of two functions is the sum of their derivatives, or symbolically, (f+g)' = f' + g'.

Therefore, the slope of the graph of f(x)+g(x) at x=2 is indeed 10.4 (3.1 + 7.3).

6.24 divided by 200 equals what

Answers

0.0312 is the answer when you divide.

A suit is on sale for $154. If the original price of the suit was $440, what percent was discounted for the sale?

Answers

so, we know the original price is 440, but it got dropped to 154, for a difference of 286.

so, if we take 440 to be the 100%, what is 286 off of it in percentage anyway?

[tex]\bf \begin{array}{ccll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 440&100\\ 286&p \end{array}\implies \cfrac{440}{286}=\cfrac{100}{p}\implies p=\cfrac{286\cdot 100}{440}[/tex]

6x+24/x^2+7x+12 simplify

Answers

Please enclose the denominator in parentheses to reduce ambiquity.

6x+24/x^2+7x+12

becomes

6(x+4)                  6(x+4)
------------------ = ----------------   Cancel the factors (x+4)
(x^2+7x+12)        (x+4)(x+3)

                               6
                      = -------------
                              x+3

Jana is doing an experiment. She is on a dock that is 10 feet above the surface of the water. Jana drops the weighed end of a fishing line 35 feet below the surface of the water. She reels out the line 29 feet, and then reels it back in 7 feet. What is the final distance between Jana and the end of the finishing line?

Answers

To solve we have the following equation below,

Assumption: Line of reference is the surface of the water.

Final distance between Jana & fishing line = (dock height) +(reels out) -(reels back)  


Final distance between Jana & fishing line = 10 + 35+ 29 - 7 = 67 feet

 ANSWER: 67 feet

A data set a has a mean of 7,a median 5,and a mode of 8.wich of the the numbers 7,5,and 8 must be in the data set?

Answers

If the mode is 8, then 8 actually shows up in the data set.  This is not true of 7 or 5.

A lawn is in the shape of a trapezoid with a height of 40 feet and bases of 60 feet and 140 feet. How many bags of fertilizer must be purchased to cover the lawn if each bag covers 1800 square​ feet?

Answers

2.2222 bags are needed to cover the land

on Monday 2/3 of the team practiced Tuesday 7/8 Wednesday 1/2 and Thursday 3/4 on which date were the most team members present at practice

Answers

On Wednesday because half of the team was there
Find common denominator to compare fractions. Use 24
Monday =2/3 (8/8)=16/24 16 out of 24 showed
Tuesday=7/8 (3/3)=21/24 21 out of 24 showed
Wednesday=1/2 (12/12)=12/24 12 out of 24 showed
Thursday =3/4 (6/6)=18/24 18 out 24 showed

On Tuesday, 21 out of 24 players showed up and that is the most team members showed up.

PLZ HELP IM FAILING!!!!!! The linear equation y−3=4(x+5)y−3=4(x+5) y minus 3 equals . 4 open x plus 5 close is in what form.

Answers

Here, as in your previous post, you present the same equation several times in different forms.  Don't do that.  Present the equation once, exactly once.  What you have input contains considerable unnecessary duplication which confuses you as well as me (at first).

y-3 = 4(x+5) is "the equation of a straight line in point-slope form."  That's it.


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