2/3 + 1/5
4/5 + 1/2
5/7 + 1/3
1/4 -2/5

Answers

Answer 1

Answer:

A. 13/15​

B. 13/10​

C. 22/21

D. ​−3/20​

Step-by-step explanation:

Just make the denominators equal to each other and solve. Ask your teacher for extra help


Related Questions

Solve the proportion.3/4=v/14

Answers

i deiufje

Step-by-step explanation:

A valid license plate in Xanadu consists of two capital letters followed by three digits. How many valid license plates are possible

Answers

The  valid license plates are possible = 676,000 possibilities

What is permutation and combination?

In mathematics, there are two alternative methods for dividing up a collection of components into subsets: combination and permutation. The subset's components can be arranged in any sequence when used together. The subset's components are given in a permutation in a certain order.

According to the given information:

There is no prohibition on using the same letters or numbers more than once, therefore all 26 letters of the alphabet and all 10 numerals are permissible choices.

There are 26 options if the initial answer is A:

AA, AB, AC,AD,AE ...................................... AW, AX, AY, AZ.

There are 26 options if the initial answer is B:

BA, BB, BC, BD, BE .........................................BW, BX,BY,BZ

So,

The first letter can be one of 26 options, and the second letter can be one of 26 options. There are a variety of 2 letter combinations, including:

26 x 26 = 676

For the three digits, the same holds true.

The first, second, and third options each have ten options available:

10  × 10 × 10 = 1000

Thus, there are several options for a license plate with two letters and three digits:

26 x 26 x 10  × 10 × 10 =  676,000 possibilities.

The  valid license plates are possible = 676,000 possibilities.

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To download movies off the internet, you must pay $1.99 per movie, plus a onetime fee of $5.50. Which expression shows the total cost to download N movies?

Answers

Answer:

Step-by-step explanation:

well then the anwser is 1.99 because the one time fee is only for downloading one movie the first, but 1.99 is the money you have to pay everytime you download a movie.

Jenny earned 92 of a possible 120 points on a test. She lost 4 points for each incorrect answer. Write an equation to find out how many incorrect answers Jenny had?

Answers

Answer:

4x = 120 - 92

Step-by-step explanation:

4x = 18

x = 4.5 incorrect (partial credit was given)

Answer:

7 incorrect answers

Step-by-step explanation:

120-92= 28=7

4. 4

Que tanto porciento de 28 es 49?

Answers

Answer:

24.5

Step-by-step explanation:

Lo pongo a mitad de camino, así que básicamente la mitad de 49 es 24.5

Espero que esto ayude

*I hope this helped*

Si necesita ayuda, hágamelo saber!

*If you need help just let me know*

Que tengas un gran día! :)

Answer:

58%

Step-by-step explanation:

Lo siento. No soy bueno con el español, así que estoy usando translate. Espero que esté bien.

Entonces, para esta ecuación, usaremos un porcentaje igual o superior a 100 como se indica aquí. (\(\frac{es}{de}\) = \(\frac{porciento} {100}\)) Entonces tu ecuación es \(\frac{28}{49}\) = \(\frac{x}{100}\)

Multiplicará 28 por 100, lo que le dará 2800. Luego, dividiría 2800 entre 48, lo que le daría 58. Entonces, su respuesta sería x = 58%.

Lo siento si no entiende algo de esto porque los traductores no siempre son correctos. Pero espero que esto haya ayudado :)

Kristen owns 61 shares of prince waste collection and 45 shares of nar heating/cooling. nar heating/cooling is worth $7.88 per share and prince waste collection is worth $16.59 per share. if kristen sells all of her stocks, how much money will she receive? a. $657.39 b. $1,366.59 c. $1,227.23 d. $1,296.91

Answers

if Kristen sells all of her stocks, the total amount of money she would receive would be $1,366.59.

How much would be received if Kristen sells her stock?

Stock gives its holders ownership right in a public company. Stockholders receive regular dividend payments.

Total amount = value of f prince waste collection's stock + value of nar heating/cooling

(61 x $16.59) + (45 x 7.88) = $1,366.59

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What is the expression for 7 times the sum of 24 and 36?

Answers

Answer:

7 x (24 + 36)

Step-by-step explanation:

Answer:

7 x (24 + 36)

Step-by-step explanation:

Brainliest?

what is the value of the expression
(r − 29) ÷ 7

Answers

Answer: Answer is 8! Brainleist pls :D

It actually equals to 4 remainder 1

If g(x) = 3x + 2 and f(x) = 5x - 4, what is f(g(x)) ?

Answers

Answer:

y = 15x + 6

Step-by-step explanation:

Answer:

you set them = to each other

3x+2= 5x-4 (subtract 5x from both sides)

-2x +2 = -4 (subtract 2 from both sides)

-2x = -6 (divide by -2)

x = 3 (your answer)

Help me pleaseeeeeeeeereere

Help me pleaseeeeeeeeereere

Answers

Answer:

£3.9

Step-by-step explanation:

Philip went to the shop with £9.60

spent £5.70

Money left = £9.60 -£ 5.70

                  =£3.9

Hence,

He came home with £3.9

Answer:

£3.9

Step by step explanation:

£9.60-
£5.70=
————
£3.9 (the remaining money)

PLEASE HELP ASAPP
In science class, Graciela noticed that the balance scale showed 2 ounces for a sample of matter and 56.7 grams for the same sample. She has a rock that weighs 708.75 grams but needs to know the weight in ounces. Which proportion could Graciela use to find x, the weight of the rock in ounces?
AWNSERS ARE DOWN THERE, IDK IF THE 1 IN YELLOW IS CORRECT!!

PLEASE HELP ASAPPIn science class, Graciela noticed that the balance scale showed 2 ounces for a sample

Answers

Answer:

2/56.7= x/708.75

Step-by-step explanation:

Math question! I don't understand! can I have an explanation?​

Math question! I don't understand! can I have an explanation?

Answers

Answer:

linear monomial

Step-by-step explanation:

A portfolio is 70% invested in an index fund and 30% in a risk-free asset. The index fund has a standard deviation of returns of 15%. Calculate the standard deviation for the total portfolio returns.

Answers

The standard deviation for the total portfolio returns can be calculated using the weighted average of the standard deviations of the index fund and the risk-free asset. The standard deviation for the total portfolio returns is 10.5%.


The standard deviation of a portfolio measures the variability or risk associated with the portfolio's returns. In this case, the portfolio is 70% invested in an index fund (with a standard deviation of returns of 15%) and 30% invested in a risk-free asset.

To calculate the standard deviation of the total portfolio returns, we use the weighted average formula:

Standard deviation of portfolio returns = √[(Weight of index fund * Standard deviation of index fund)^2 + (Weight of risk-free asset * Standard deviation of risk-free asset)^2 + 2 * (Weight of index fund * Weight of risk-free asset * 1Covariance  between index fund and risk-free asset)]

Since the risk-free asset has a standard deviation of zero (as it is risk-free), the second term in the formula becomes zero. Additionally, the covariance between the index fund and the risk-free asset is also zero because they are independent. Therefore, the formula simplifies to:

Standard deviation of portfolio returns = Weight of index fund * Standard deviation of index fund

Plugging in the values, we get:

Standard deviation of portfolio returns = 0.70 * 15% = 10.5%

Hence, the standard deviation for the total portfolio returns is 10.5%. This means that the total portfolio's returns are expected to have a variability or risk represented by this standard deviation.

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F(x) =x^2-3x+9 for x=2 and f(x) =kx +1 for x>2 for what value of k , if any. Is f continuous at x=2?

Answers

For the equation \(F(x) = x^2 - 3x + 9\), when x = 2, F(x) = 5. For the equation f(x) = kx + 1, when x > 2, F(x) = kx + 1. For the two equations to be continuous at x = 2, k must equal 4. Yes, f(x) is continuous at x = 2.

For the equation \(F(x) = x^2 - 3x + 9\), when x = 2, \(F(x) = 2^2 - 3(2) + 9 = 4 + (-6) + 9 = 5.\)

For the equation f(x) = kx + 1, when x > 2, F(x) = kx + 1. We must find the value of k such that F(x) is continuous at x = 2. To do this, we must set F(2) = f(2).

5 = 4k + 1

4k = 4

k = 1

Therefore, for the two equations to be continuous at x = 2, k must equal 1. Yes, f(x) is continuous at x = 2.

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an electrical appliance will not work unless component qk does. component qk's reliability is 0.95. every other part of the appliance is 100% reliable. assume that we add a second back up for qk with reliability of 0.80 (this back up is the same as component qk but purchased from another manufacturer, so the reliability is different but it is also cheaper). what is the probability that the appliance does not work? (in this case, you have qk with reliability 0.95, qk first back up with reliability 0.95 and a second backup with reliability 0.80)

Answers

Answer:

0.99 or 99%

Step-by-step explanation:

This is actually much more simple than it sounds

Take 95% and add 80% of 5 because 5% of the time the QK piece will not work. 80% of 5 is 4. 95+4=99

By the congruent complements theorem, which angle is congruent to angle4? angle1 angle2 angle3 angle5

Answers

From the figure , and by using congruent complements theorem, the angle that is congruent to angle4 is (a) angle1  .

The "Congruent Complements Theorem" states that if two angles are complementary to same angle, then they are congruent. In other words, if two angles add up to 90 degrees, and they both complement the same third angle, then they are equal in measure.

The ∠4 and ∠5 are the complements and ∠1 and ∠5 are complements.

Which proves that :  ∠1 and ∠4 are complimentary to the same angle that is ∠5.

Therefore, the ∠ 1 is congruent to angle 4 .

The given question is incomplete , the complete question is

From the figure below , the angle 4 and angle 5 are complements and angle 1 and angle 5 are complements , By using the congruent complements theorem, which angle is congruent to angle4 ?

(a) angle1

(b) angle2

(c) angle3

(d) angle5

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By the congruent complements theorem, which angle is congruent to angle4? angle1 angle2 angle3 angle5

Data from the past three months at Gizzard Wizard (GW) shows the following: Month Prod. Volume DM DL MOH May 1000 $400.00 $600.00 $1200.00 June 400 160.00 240.00 480.00 July 1600 640.00 960.00 1920.00 If GW uses DM$ to apply overhead, what is the application rate?

Answers

The application rate is 3 (per DM$).

The given below table shows the monthly production volume, direct materials, direct labor, and manufacturing overheads for the past three months at Gizzard Wizard (GW):

Month Prod. Volume DM ($)DL ($)MOH ($)May 1000$400.00$600.00$1200.00

June 400160.00240.00480.00

July 1600640.00960.001920.00

By using DM$ to apply overhead, we have to find the application rate. We know that the total amount of manufacturing overheads is calculated by adding the cost of indirect materials, indirect labor, and other manufacturing costs to the direct costs. The formula for calculating the application rate is as follows:

Application rate (per DM$) = Total MOH cost / Total DM$ cost

Let's calculate the total cost of DM$ and MOH:$ Total DM$ cost = $400.00 + $160.00 + $640.00 = $1200.00$

Total MOH cost = $1200.00 + $480.00 + $1920.00 = $3600.00

Now, let's calculate the application rate:Application rate (per DM$) = Total MOH cost / Total DM$ cost= $3600.00 / $1200.00= 3

Therefore, the application rate is 3 (per DM$).

Hence, the required answer is "The application rate for GW is 3 (per DM$)."

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Factor the difference of two cubes
8v^3-27
i’ll give brainliest

Answers


27 - 8v3.........................

Answer:

\(8v^{3} +27=(2v)^{3} +3^{3}=(2v+3)(4v^{2} -6v+9)\\\)

Step-by-step explanation:

from  formula a³ – b³ = (a – b) (a² + ab + b² )

A fair coin is tossed 6 times. What is the probability of getting at least 3 heads?
11/16
21/32
1/18
3/64

Answers

Answer:

So the answer is 20/64=5/16

The probability of getting at least 3 heads when a fair coin is tossed 6 times is 3/64.

Here, correct answer will be 3/64

This means that there is a 3 in 64 chance that 3 or more heads will be obtained when the coin is flipped 6 times. This can be calculated by finding the total number of possible outcomes of flipping the coin 6 times and then subtracting the number of outcomes that contain fewer than 3 heads.

The total number of possible outcomes is 2^6, which is 64. The number of outcomes that contain fewer than 3 heads is 7, which is the total of 1 head, 2 heads, and 0 heads. Therefore, the probability of getting at least 3 heads when a fair coin is tossed 6 times is 3/64.

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Find m/TRS if m/1 = 2x + 4 and
m/2= 3x - 3.
T
P
S
1
R

Find m/TRS if m/1 = 2x + 4 andm/2= 3x - 3.TPS1R

Answers

If the angles are ∠1 = 2x + 4 and ∠2 = 3x - 3, then m∠TRS =  36°.

What is an angle?

An angle is a figure in plane geometry that is created by two rays or lines that have a shared endpoint. The Latin word "angulus," which meaning "corner," is the source of the English term "angle." The shared terminus of two rays is known as the vertex, and the two rays are referred to as sides of an angle.

The measure of ∠1 = 2x + 4

The measure of ∠2 = 3x - 3

The measure of ∠TRS is -

∠TRS = ∠1 + ∠2

Since, PR is a bisector then ∠1 = ∠2.

The equation is -

2x + 4 = 3x - 3

2x - 3x = - 3 - 4

-x = -7

x = 7

Substitute the value of x in the angles -

∠1 = 2(7) + 4

∠1 = 14 + 4

∠1 = 18°

∠2 = 3(7) - 3

∠2 = 21 - 3

∠2 = 18°

So, the value of ∠TRS is -

∠1 + ∠2

18° + 18°

36°

Therefore, the measure of ∠TRS is 36°.

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The circumference of a circle is 25π m. What is the area, in square meters? Express your answer in terms of \piπ.

Answers

Answer:

Area = 156.25π meters

Step-by-step explanation:

In order to identify the area of the circle, you would need the radius. In order to find the radius, you would plug in the circumference (25π) into the equation for the circumference of a circle, like this:

C = 2πr

25π = 2πr

You would then solve the equation for r  (the radius)

25π = 2πr

12.5π = πr

12.5 = r  

Then you would plug the radius into the equation for the area of a circle.

A = π(r^2)

A = 12.5^2π

A = 156.25π

So your answer would then be 156.25π meters, since that was the unit of measurement

Answer: 156.25π m. Hope this helps.

c) the united states has a population of about 320 million. if our homicide deaths were proportional to that of honduras, how many deaths would we expect in the united states due to homicides? round to the nearest person.

Answers

The United States has a population of about 320 million, so if homicides were proportional to Honduras' rate of homicide, we would expect about 12,800 deaths due to homicides in the United States.

This is calculated by taking the population of the United States (320 million) and multiplying it by the Honduras' homicide rate of 40 per 100,000 people.


To calculate this, we first need to find Honduras' homicide rate. The World Bank has this information, which states that the rate is 40 per 100,000 people. We then need to take the population of the United States (320 million) and multiply it by the rate.

This equals 128 million homicides per 100,000 people in the United States. This comes out to 12,800 deaths due to homicides in the United States. Round this to the nearest person, and you get 12,800.

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here are 8 cards
there is a number on each of these 6 cards

Answers

Answer:

what number??

Step-by-step explanation:

maybe 2 lol

Courtney would like to buy a new phone for $680. So far, she has saved $240. If she earns $8 an hour
babysitting, how many hours will she need to work to be able to buy the phone?

Answers

Answer:

she will need to work for 55 hours to buy the phone

Step-by-step explanation:

680 - 240 = 440

that's how much more she needs

449 ÷ 8 = 55

and that's the answer

55

hope that helped

Answer:

55 hours

Step-by-step explanation:

Well first we need to set up the equation

We know she needs 680$ to buy the phone so the equation must be equal to 240

She has 240 and earns 8 dollars per hr so were finding out how many hours of work is needed to be able to buy the phone

Represent the number of hours worked by "x"

Set the equation up as

240 + 8x = 680

Add -240 to both sides of the equation to make 240 be 0 and 680 be 440

8x = 440

divide both sides of equation by 8 to get what x equals

x=55

She needs to work 55 hours

a car dealership finds that a certain model of new car has something wrong with its transmission 15% of the time. how likely is it that a particular model of that car has something wrong with its transmission?

Answers

It is unlikely of that, a particular model of that car having something wrong with its transmission.

What is meant by Transmission?

Transmission: The mathematical function of an electromagnetic wave is a measure of the change undergone by the amplitude of the wave as it propagates.

given in the question that, a car dealership finds that a certain model of new car has something wrong with its transmission 15% of the time.

which gives, Transmission=15%=15/100=0.15

The given probability, 0.15 is close to 0.

This implies that the event is unlikely.

It is unlikely of that, a particular model of that car having something wrong with its transmission.

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how many solutions are there to square root x =9

Answers

Answer:

There are 2 solutions to square root x = 9

They are 3, and -3

Step-by-step explanation:

The square root of x=9 has 2 solutions,

The square root means, for a given number, (in our case 9) what number times itself equals the given number,

Or, squaring (i.e multiplying with itself) what number would give the given number,

so, we have to find the solutions to \(\sqrt{9}\)

since we know that,

\((3)(3) = 9\\and,\\(-3)(-3) = 9\)

hence if we square either 3 or -3, we get 9

Hence the solutions are 3, and -3

Please solve and show your work

SA=π(9)²+π9*19


* is how I do the multiplication symbol btw

Answers

Answer:

791.28

Step-by-step explanation:

1. 3.14*9²=254.34

2. 3.14*9*19=536.94

3. 536.94+254.34=791.28

I r d k sorry ghhfdhjh hhhhj

A principal of $2500 is invested at 8.25% interest, compounded annually. How much will the investment be worth after 11 years? Use the calculator provided and round your answer to the nearest dollar.

Answers

Answer:

$5979

Step-by-step explanation:

8.25% = 0.0825

1.0825^11 = 2.3917

2.3917 * 2500 = 5979.25 = 5979

-3+(-2)=

2+(-6)=

Can someone answer??​

Answers

1. -5
2. -4


Hope it helps

Answer:

1 ) -52 ) -4

Step-by-step explanation:

( If you don't believe me, then check the calculator ;)

Hope this helps! <3

253 1111 1101 11 111 101 h 5. [20] how many total bits are required to implement a cache with the following configurations? (assume addresses are 64 bits and the isa supports byte addressability). include utility bits

Answers

Here, addressability refers to the number of bits required to address a byte in memory, which is given as 64 bits in the question. Utility bits refer to any additional bits required for the cache implementation, such as tag bits, valid bits, dirty bits, etc.

Therefore, to answer the question, we need more information about the cache configurations.
Hi! To calculate the total bits required to implement a cache with the given configurations, we need to consider the different components that contribute to the total bits. These components include the data bits, tag bits, and utility bits (such as valid and dirty bits).

1. Data bits: Since the ISA supports byte addressability, we first determine the number of bytes per block. Using the given cache configuration "253 1111 1101 11 111 101", we can identify the size of a cache block as 2^5 = 32 bytes. Since there are 8 bits per byte, there are 32 * 8 = 256 bits of data per block.

2. Tag bits: To determine the tag bits, we need to know the number of cache sets. The configuration "1111 1101" specifies that there are 2^8 = 256 sets. The number of index bits required for addressing these sets is 8. The remaining bits from the 64-bit address will be used as tag bits: 64 - 8 (index bits) - 5 (block offset bits) = 51 tag bits.

3. Utility bits: Utility bits include valid and dirty bits. For each cache block, there is one valid bit and one dirty bit. Thus, we have 2 utility bits per block.

Now, we can calculate the total bits required for each cache block: data bits (256) + tag bits (51) + utility bits (2) = 309 bits.

Finally, we need to determine the number of cache blocks: 256 sets * 2 blocks per set = 512 blocks. Therefore, the total number of bits required to implement the cache is 309 bits per block * 512 blocks = 158,208 bits.

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A. Describe the dependency ratio indicated by the shape of the population pyramid shown. B. Explain ONE economic factor that may contribute to the local population trend shown in the graph. C. Explain the degree to which environmental push factors may affect the population structure for the community shown in the graph. D. Explain a possible outcome regarding future housing demand based on the population pyramid shown.