Which of the following expressions are equal to the one below?
(8+7) x 11

A. 8+ (7x11)
B. 11 x (8+7)
C. 8 x 11 - 7 x 11
D. 11 x 7 + 11 x 8

Answers

Answer 1
D. 11 x 7 + 11 x 8 Hope that helps!
Answer 2
D is the correct answer, using the distributive property.

Related Questions

How do you write 112,300 in word form?

Answers

one hundred twelve thousand, three hundred

note: there is NO "and" anywhere in here. You only use "and" when it comes to the decimal part
Final answer:

The number 112,300 written in word form is 'one hundred twelve thousand three hundred'.

Explanation:

To write the number 112,300 in word form, you would write it as one hundred twelve thousand three hundred.

When writing numbers in word form, it's important to break them down into their place values and then use conjunctions such as 'and' where appropriate, typically between the hundreds and smaller units. In this case, there are no smaller units, so 'and' isn't used. Instead, we clearly express each place value starting from the highest, which is the hundred thousands, followed by the thousands, then hundreds, tens, and ones, though here the tens and ones places are zero and do not need to be included in the word form.

Which of the following is a polynomial with roots 4,6, and -7?

Answers

the polynomial would be:
P(x)=(x-4)(x-6)(x+7)
P(x)=(x²-6x-4x+24)(x+7)
P(x)=(x²-10x+24)(x+7)
P(x)=x³+7x²-10x²-70x+24x+168
P(x)=x³-3x²-46x+168

Answer: P(x)=x³-3x²-46x+168

Answer:

P(x)=  x³ - 3 x² - 46 x +168

Step-by-step explanation:

given roots of the polynomial are given as    (4,6, -7)

hence the polynomial will be equal to

P(x) = (x-4) (x-6) (x+7)

P(x) = (x-4) (x²+7 x -6 x -42)

P(x) = (x-4) (x²+x -42)

P(x) = x³ + x²-42 x -4 x² -4 x +168

P(x) =  x³ - 3 x² - 46 x +168

hence, the required polynomial is P(x) =  x³ - 3 x² - 46 x +168

What is the reference angle for 7pi/6

Answers

7*360/6=420 , substract 360 = 60
30 degrees
is your answer

how do you write 8.2 in mixed number

Answers

The answer is 8 1/5 I believe

a rectangle has a width that is 7 centimeters less than its length, and it's area is 330 square centimeters. what are the dimensions?

length = _____ centimeters
width = _____ centimeters

Answers

i hope this helps you



length a

width a-7


Area=length×width


330=a. (a-7)


3.11.2.5=a. (a-7)


15.22=a . (a-7)


a-7=15 a=22


length a=22

width a-7=15





Answer:

A rectangle has a width that is 7 centimeters less than its length, and its area is 330 square centimeters. What are the dimensions of the rectangle?

length =  

22

centimeters

width =  

15

centimeters

1. Solve for x. Show your work.

2x-1/2=3-x

Answers

2x=3-x+1/2
3x=3+1/2
3x=7/2
X=7/2*1/3
X=7/6
2x+x=3+1/2,,3x=7/2,,x=7/6 =1.17

The quotient of a number and - 2/3 is -9/10.

What is the number?

1 7/10
3/5
20/27
29/30



Answers

It would be: -2/3 * -9/10 = 18/30 = 3/5

So, option B is your answer.

Hope this helps!

Answer:

3/5

Step-by-step explanation:

i am doing the same thing right now and got it right

what is 23 over 18 in simplest form

Answers

[tex] \frac{23}{18} [/tex] is already in simplest form because 23 is a prime number, which means that it is only divisible by 1 and itself (23). Hope this helps! :)

Which number is a solution of the inequality?
y>1.9

(A) -9
(B) -2
(C) 2
(D) 1.9

Answers

the question that this is asking is basically "which of these answer choices are greater than 1.9?" because y > 1.9 is a simple inequality. all it means is that all y values are greater than 1.9

your answer is C. 2 is the only answer choice greater than 1.9; D is equal to 1.9 and A/B are less than 1.9

The correct option is option C that is the solution of the inequality is 2.

What are inequalities ?

When two values are compared , an inequality represents whether one is greater than, less than, or not equal to the other.

It is given that an inequality is given y > 1.9. Here , y is a number which can be anything greater than 1.9.

Let's check which of the given options is a solution for the given inequality.

A)

-9 is a negative number whereas 1.9 is a positive number , so - 9 is not a solution to given inequality.

B)

-2 is also less than 1.9 , so this also not a solution to given inequality.

C)

2 is greater than 1.9 and it is a suitable solution to the given inequality. So , 2 is a solution of given inequality.

D)

As per the question value of y should be greater than 1.9 and not equal to 1.9 . So , this is also not a solution to given inequality.

Therefore , the correct option is option C that is the solution of the inequality is 2.

Learn more about inequalities here :

brainly.com/question/25275758

#SPJ2

Suppose you have $100 in a savings account earning 2 percent interest a year. After five years, would you have more than $102, exactly $102 or less than $102?

Answers

I suppose exactly $102 for your answer.
I'm pretty sure it would be more than $102, because 2% of a hundred is $2, and if you get 2% interest a year for 5 years thats 10% which is $10. So that would make it $110, unless I'm doing it wrong. But I think more than would be right.. hope this helps.

Suppose a car manufacturer believes its windscreen wipers will last on average for three years on their cars if driven by a typical driver in the province. Moreover, the manufacturer believes the lifetime of the wipers under such conditions is Normally distributed with a standard deviation of two years. Find the probability that, if on a car driven by a typical driver, a windscreen wiper lasts for a time that is not within 1.7 years of the mean lifetime.
The probability is:?

Answers

Final answer:

To calculate the probability that a windscreen wiper lasts for a time not within 1.7 years of the mean, one must find the corresponding z-scores and use a standard normal distribution table. The probability is approximately 39.58%.

Explanation:

To find the probability that a windscreen wiper lasts for a time that is not within 1.7 years of the mean lifetime of three years, we can use the properties of the normal distribution. We are given a mean (μ) of 3 years and a standard deviation (σ) of 2 years. We are interested in the probability that a wiper lasts less than 1.3 years (3 - 1.7) or more than 4.7 years (3 + 1.7).



First, we need to calculate the z-scores for 1.3 and 4.7 years:



Z1 = (1.3 - 3) / 2 = -0.85

Z2 = (4.7 - 3) / 2 = 0.85



Using a standard normal distribution table or a calculator, we find the probabilities corresponding to these z-scores. The probability of a wiper lasting less than 1.3 years is P(Z < -0.85), and the probability of lasting more than 4.7 years is P(Z > 0.85).



Since the normal distribution is symmetric, P(Z < -0.85) is equal to P(Z > 0.85). Thus, we only need to calculate one of these probabilities and double it to find the total probability. Let's say P(Z > 0.85) = p, then the total probability is 2p.



Assuming P(Z > 0.85) = 0.1979 (from standard normal distribution tables), the total probability is:



Probability = 2 * 0.1979 = 0.3958



Therefore, the probability that a windscreen wiper lasts for a time not within 1.7 years of the mean lifetime is approximately 0.3958 or 39.58%.

Final answer:

By standardizing the values and using a standard normal distribution table, we can find the probability to be approximately 0.7422 or 74.22%.

Explanation:

To solve this problem, we can use the normal distribution. Given that the mean lifetime of the windscreen wipers is 3 years with a standard deviation of 2 years, we want to find the probability that the wiper lasts for a time that is not within 1.7 years of the mean lifetime.

First, we need to standardize the values by calculating the z-scores.

The z-score formula is (x - mean) / standard deviation. In this case, we have x = 1.7, mean = 3, and standard deviation = 2.

Plugging in these values, we get a z-score of -0.65.

Using a standard normal distribution table or calculator, we can find the probability corresponding to a z-score of -0.65.

The area under the curve to the left of -0.65 is approximately 0.2578. Since we want the probability that the wiper lasts for a time that is not within 1.7 years of the mean, we subtract this probability from 1.

Therefore, the probability is approximately 1 - 0.2578 = 0.7422, or 74.22%.

If a die is rolled 1 time find the probability of getting a number less than 6

Answers

the probability of getting a number less than 6 is 5/6 if there are 6 sides 

Joey had $254 to spend at the video games store. He was able to buy 9 video games and had $29 left. How much did each game cost?

Answers

254 - 29 = 225
225 / 9 = 25 each

24 is what percent of 32?
write the proportion too please! ...?

Answers

24 is 75% of 32
32*.75=24

Simplify the expression.
4 × 22 + 4 ÷ 4 - (1 + 4)

A. 12
B. 22
C. 20
D. 15

Answers

Since it's an expression, remember to use BEDMAS. 

4 × 22 + 4 ÷ 4 - (1 + 4) = 88 + 1 - (5)
                                       = 99 - 5
                                       = 94

Hope this helps!

sylvie finds the solution by graphing y=2/3x+1 and y=-2/3x-1
which graph shows the solution to sylvies system of equations?

Answers

2/3x + 1 = -2/3x - 1
2/3x + 2/3x = -1 - 1
4/3x = -2
x = -2 * 3/4
x = -6/4 reduces to -3/2

y = 2/3x + 1
y = 2/3(-3/2) + 1
y = -1 + 1
y = 0

solution is : (-3/2 , 0).....the graph that has the lines intersecting at (-3/2,0) is ur solution

we have

[tex] y=\frac{2}{3} x+1 [/tex] ----------> equation [tex] 1 [/tex]

[tex] y=-\frac{2}{3} x-1 [/tex] ----------> equation [tex] 2 [/tex]

using a graph tool

we know that

the intersection point of both lines is the solution of the system

so

the solution is the point [tex] (-1.5,0) [/tex]

see the attached figure

therefore

the answer is

The solution of the system is the point [tex] (-1.5,0) [/tex]

The graph in the attached figure

In quadrilateral ABCD, diagonals AC and BD bisect one another:

What statement is used to prove that quadrilateral ABCD is a parallelogram?


Angles ABC and BCD are congruent.

Sides AB and BC are congruent.

Triangles BPA and DPC are congruent.

Triangles BCP and CDP are congruent.

Answers

Answer:

(C) Triangles BPA and DPC are congruent.

Step-by-step explanation:

It is given that In quadrilateral ABCD, diagonals AC and BD bisect one another.

We have to prove that quadrilateral ABCD is a parallelogram.

(A) The given statement is:

Angles ABC and BCD are congruent

The above statement is not correct because these angles forms the corresponding angle pair and thus are not congruent.

Hence, this option is not correct.

(B) The given statement is:

Sides AB and BC are congruent.

The above statement is not correct because the given sides are formed by the same vertex and thus cannot be equal.

Hence, this option is not correct.

(C) The given statement is:

Triangles BPA and DPC are congruent.

The above statement is correct because the given triangles are congruent by the SAS rule of congruency.

Hence, this option is correct.

(D) The given statement is:

Triangles BCP and CDP are congruent.

the above statement is  not correct because the given triangles cannot be congruent using any rule of congruency,

Hence, this option is not correct.

Check answer please, will upvote!
Evaluate the function rule for the given value.
y = 4 • 2x for x = –6
Is it -48?

Answers

Hey there!

[tex]\bold{y=4\bullet2x;x=-6}[/tex]If we found the value of "[tex]\bold{x}[/tex]" then plug it into the equation[tex]\bold{y=4\times2(-6)}[/tex][tex]\bold{2\times(-6)=-12}[/tex][tex]\bold{4\times-12=-48}[/tex][tex]\bold{-48=-48}[/tex] [tex]\checkmark[/tex][tex]\boxed{\boxed{\bold{Answer:Yes}}}[/tex]

Good luck on your assignment and enjoy your day!

~[tex]\frak{LoveYourselfFirst:)}[/tex]

How do you write 1/5 as a percentage and a decimal?

Answers

To get 1/5 as a percentage, you multiply the denominator (5) by 20 to get 100. Then, you have to multiply the numerator (1) by 20 as well, so you get 20/100 which is 20%. As a decimal you do multiplying again, but only by 2 to get 2/10, and two tenths is equal to 0.2. Hope this helps!

Prove the trigonometric identity:
(csc^2x)/(cotx)=cscxsecx ...?

Answers

cscx = 1 / sinx, so csc^2x = 1/ sin²x, and cotx=cosx / sinx
so (csc^2x)/(cotx)=(1/ sin²x) (sinx/cosx) = 1/(sinxcosx) = 1/sinx  1/cosx
finally 
(csc^2x)/(cotx)=cscxsecx

ind the z score that best satisfies the condition. 20%of the total area is to the left of z

Answers

Final answer:

To find the z-score that satisfies the condition of 20% of the total area being to the left of z, use the z-table to locate the closest area to 0.20 and its corresponding z-score.

Explanation:

To find the z-score that satisfies the condition of 20% of the total area being to the left of z, you can use the z-table. First, locate the area in the table that is closest to 0.20, which is 0.1995.

The corresponding z-score is approximately -0.85.

Therefore, the z-score that best satisfies the condition is -0.85.

In fishery science, a cohort is the collection of fish that results from one annual reproduction. It is
usually assumed that the number of fish N( t ) still alive after t years is given by an exponential function. For Pacific halibut,N( t ) = N0e ^-0.2t , where N o is the initial size of the cohort.

Approximate the percentage of the original number still alive after 7 years. Round to one decimal place, if necessary.

please show the steps

Answers

So we are given an equation that represents the population of fish left after so many years, so lets plug in t = 13 and see what happens:

N(13)=N0e^−.2(13)≈(.074)N0

The percentage of the fish still alive is then:

(.074)N0/ N0(100)=7.43%

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Final answer:

Using the exponential decay function for Pacific halibut, it is calculated that approximately 24.7% of the original cohort is still alive after 7 years.

Explanation:

To approximate the percentage of the original number of Pacific halibut still alive after 7 years, we use the exponential decay model provided, N(t) = N0e^-0.2t. Plugging in t = 7 years into the equation gives us:

N(7) = N0e^-0.2(7) = N0e^-1.4.

To find this percentage, we can multiply the value of e^-1.4 by 100%. First, we calculate e^-1.4 approximately using a calculator:

e^-1.4 ≈ 0.24660

Multiplying by 100 to get the percentage: 0.24660 × 100% ≈ 24.7%.

Therefore, approximately 24.7% of the original Pacific halibut cohort is still alive after 7 years.

What is the greatest common factor of 32 and 36?

Answers

the greater common factor is 4 

What did the sea monster say after eating 27 ships carrying potatoes?

Answers

"I should stop setting up for bad jokes..."

or "Fishin' ships are pretty good..." 

Determine whether the sequence:

ln(2n^2 +1) - ln(n^2 +1)

converges or diverges. If the sequence converges, find the limit.

Answers

[tex]\\ \lim_{n \to \infty} \ln{ (2n^2+1) }-\ln{(n^2+1)} \\ \\ \lim_{n \to \infty} \ln{ \frac{2n^2+1}{n^2+1} } \\ \\ \lim_{n \to \infty} \ln{ \frac{ \frac{2n^2}{n^2} + \frac{1}{n^2}}{ \frac{n^2}{n^2}+ \frac{1}{n^2}} } \\ \\ \lim_{n \to \infty} \ln{ \frac{ 2 + \frac{1}{n^2}}{ 1+ \frac{1}{n^2}} } \\ \\ \ln{ \frac{ 2 + 0}{ 1+ 0} } \\ \\ \ln{2}[/tex]

Final answer:

The sequence ln(2n² +1) - ln(n² +1) simplifies to ln[(2n² + 1)/(n² + 1)]. As n approaches infinity, the sequence converges and the limit is ln(2).

Explanation:

To determine whether the sequence ln(2n² +1) - ln(n² +1) converges or diverges, we can use the properties of logarithms and limits.

First, we rewrite the expression using the property of logarithms that ln(a) - ln(b) = ln(a/b).

Our sequence then becomes ln[(2n² + 1)/(n² + 1)]

As n approaches infinity, the terms 2n² and n² dominate the behavior of the sequence.

Thus, the sequence can be approximated by ln(2n²/n²), which simplifies to ln(2).

Since ln(2) is a constant, we can conclude that the sequence converges and the limit is ln(2).

3 times the sum of k and d

Answers

3(K+D) is the formula you would use.

Answer:

[tex]3(k+d)[/tex]

Step-by-step explanation:

We have been given a sentence. We are supposed to represent our given statement as an expression.

Sentence:

3 times the sum of k and d.

We know that we can find sum of k and d by adding them as shown:

[tex]k+d[/tex]

Since 3 is multiplied to sum of k and d, so sum of k and d will be inside parenthesis.

[tex]3(k+d)[/tex]

Therefore, our required algebraic expression would be [tex]3(k+d)[/tex].

Which equation can be simplified to find the inverse of y = x2 – 7?
a: x=y ^ 2 - 1/7
b: 1/x = y^2 - 7
c: x = y^2 – 7
d: –x = y^2 – 7

Answers

To find the inverse of the function you can just exchange the name of the variables, change x for y and y for x..

original (direct) function: y = x^2 - 7

inverse function x = y^2 - 7

Then, the answer is the option c.




Answer:

C- x=y^2-7

Step-by-step explanation:

To find the inverse of the function you can just exchange the name of the variables, change x for y and y for x..

original (direct) function: y = x^2 - 7

inverse function x = y^2 - 7

Then, the answer is the option c.

lim h--> 0

(sin (pi/6+h) - sin pi/6)/ h ...?

Answers

The limit does not exist for this expression.

To evaluate the limit as h approaches 0 of (sin(pi/6 + h) - sin(pi/6))/h, we can use the limit definition of the derivative of sin(x).

The derivative of sin(x) is cos(x), so we can rewrite the expression as:

lim h->0 (cos(pi/6 + h) - cos(pi/6))/h

Now, we can use the limit definition of the derivative to evaluate this limit. The derivative of cos(x) is -sin(x), so we have:

lim h->0 (-sin(pi/6 + h))/h

Now, let's substitute h = 0 into the expression:

(-sin(pi/6 + 0))/0

Since sin(pi/6) = 1/2, we have:

(-1/2)/0

However, division by zero is undefined. Therefore, the limit does not exist for this expression.

An unconditional acceptance into a graduate program at a university will be given to students whose GMAT score plus 400 times the undergraduate grade point average is at least 1800. Robbin's GMAT score was 800. What must her grade point average be in order to be unconditionally accepted into the program?

Answers

800 + 400 x GPA greater than or equal to 1800 so


400 x GPA greater than or equal to 1000


x GPA greater than or equal to 1000/400=2.5

so 2.5 or higher

Robbin needs a GPA of at least 2.5 to be unconditionally accepted into the graduate program.

To determine the undergraduate grade point average (GPA) Robbin must have to be unconditionally accepted into the program, we can set up an equation based on the information given. The criterion for acceptance is that the GMAT score plus 400 times the GPA must be at least 1800. Robbin's GMAT score is 800, so we can use the following equation:

800 + 400(GPA) ≥ 1800

We can then isolate the GPA:

400(GPA) ≥ 1800 - 800
400(GPA) ≥ 1000
GPA ≥ 1000 / 400
GPA ≥ 2.5

Benton has an extension ladder than can only be used at a length of 10 feet, 15 feet, or 20 feet. He places the base of the ladder 6 feet from the wall and needs the top of the ladder to reach 8 feet.

Which ladder length would Benton need to use to reach this height on the wall?

A. 10 feet
B. 15 feet
C. None of these ladder lengths would reach this height.

Answers

Final answer:

To reach a height of 8 feet on the wall, Benton would need to use a ladder length of approximately 4.8 feet.

Explanation:

To determine which ladder length Benton would need to use to reach the desired height of 8 feet on the wall, we can use the concept of similar triangles. The distance from the base of the ladder to the wall is 6 feet and the height Benton wants to reach on the wall is 8 feet. Let x represent the length of the ladder needed. Using the properties of similar triangles, we can set up the following proportion:

(x)/(6) = (8)/(10)

Cross multiplying gives us:

x = (6 * 8) / 10 = 4.8

Therefore, Benton would need to use a ladder length of approximately 4.8 feet to reach a height of 8 feet on the wall. Since this length is not among the options provided, the correct answer is C. None of these ladder lengths would reach this height.

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