Mathematics Middle School

What is the best estimate of the sum of the fractions?

StartFraction 31 over 4 EndFraction + StartFraction 17 over 3 EndFraction + StartFraction 8 over 18 EndFraction

Answers

Answer 1

Answer:

Let's add the fractions first and then we can estimate the sum.

= 31/4 + 17/3 + 8/18

change to common denominators

= 279/36 + 204/36 + 16/36

add numerators only

= 499/36 or 13 31/36 or 13.86

ANSWER: (B) 13 is the best estimate of the answer. Normally we round up to 14 with a number like 13.86, but since that is not a choice, we can estimate 13 as the answer.

Answer 2

Answer:

c

Step-by-step explanation:

Related Questions

When finding the common denominator between fractions, which value can be helpful, GCF or LCM?

Answers

LCM because it is least common multiple

4/10g+3/10 -10/10g -5/30 -20/30=

Answers

Answer:

7 g /5

−

8 /15

Step-by-step explanation:

Why is the equator region the hottest part of Earth’s surface?

The equator region has the widest diameter.

The sun shines directly on the equator region.

The rays of the sun hit the equator region at an angle.

The equator region is closest to the sun.

Answers

Answer:  The sun shines directly on the equator region.

Step-by-step explanation: Ultimately, the temperature in an area depends on the amount of the Sun's energy reaching the surface in that area. The amount of solar energy in a given area is greater at the equator than in an equal area at the poles, which is why the equator temperature is warmer than the polar temperatures. Therefore it is B

What are the domain and range for the representative exponential function in the graph below?
A)Domain: y > 0
Range: x ∈ R
B)Domain: x ∈ R
Range: y > 0
C)Domain: x ∈ R
Range: y ≥ 0
B)Domain: y ≥ 0
Range: x ∈ R

Answers

Answer:

C?

Step-by-step explanation:

Divide.

−4.5÷(−5)

0.009

0.090

0.900

9.000

Answers

Answer:

0.900

Step-by-step explanation:

omg im so late. if yu see this can you brainlist me plz?

Please help me and actually show me the work DONT write a whole explanation on how to do it please thank u

Answers

the answer would be 2

Answer:

The answer for that would be d) -3.

Step-by-step explanation:

need help please help mee.. (dont answer if u dont know how to do it

Answers

Answer:

this was from last year so its fine to answer?

Step-by-step explanation:

The maximum speed that a sailboat can reach depends on the size of the boat. The graph below shows the maximum speed, v, that a sailboat can reach as a function of its length, L.
The longer the sailboat is, the_____it can go.
For a boat to reach the speed of 10 kilometers per hour, it needs to be at least___feet long.
The maximum speed that an 888-foot boat can reach is___kilometers per hour.
A 16-foot sailboat at top speed is_____as fast as a 4-foot sailboat at top speed.

Answers

Answer:

The longer the sailboat is, the faster it can go.

For a boat to reach the speed of 10 kilometers per hour, it needs to be at least 16 feet long.

The maximum speed that an 8-foot boat can reach is 7 kilometers per hour.

A 16-foot sailboat at top speed is 2 times as fast as a 4-foot sailboat at top speed.

Step-by-step explanation:

I did it on Khan Academy and I got it right!

The correct fill in the blanks are as follows;

The longer the sailboat is, the faster it can go.

For a boat to reach the speed of 10 kilometers per hour, it needs to be at least 16 feet long.

The maximum speed that an 8-foot boat can reach is 7.1 kilometers per hour.

A 16-foot sailboat at top speed is 2 times as fast as a 4-foot sailboat at top speed.

Given;

The maximum speed that a sailboat can reach depends on the size of the boat.

The graph below shows the maximum speed, v, that a sailboat can reach as a function of its length, L.

The steps are used to solve the problem given below;

1. In the question given the maximum speed that a sailboat can reach depends on the size of the boat.

Therefore, The longer the sailboat is, the faster it can go.

The longer the sailboat is, the faster it can go.

2. In the graph a boat reaches the speed of 10 kilometers per hour, the slope of the graph at 16 feet.

For a boat to reach the speed of 10 kilometers per hour, it needs to be at least 16 feet long.

3. The maximum speed at which the 8-foot boat can reach the slope of the graph is 7.1 kilometers per hour.

The maximum speed that an 8-foot boat can reach is 7.1 kilometers per hour.

4. The top speed of a 16-foot boat is 10 kilometers per hour and of a 4-foot boat is 5 kilometers per hour.

       Then, The ratio is,

       [tex]= \dfrac{10}{5}\\\\= 2[/tex]

A 16-foot sailboat at top speed is 2 times as fast as a 4-foot sailboat at top speed.

For more details refer to the link given below.

https://brainly.com/question/11823590

Ok trick question
In a year, some months have 30 days, while some have 31. Guess which month has 28 days.

Answers

all months have 28 days
Every month

Technically, every month has 28 days

i need help on this maybe asap. its been a long day.

Answers

Answer:

yoo thanks u the goat

Step-by-step explanation:

Uhuhuhuhuhuhuhuhuhuh

help plz

What is the value of the red X?

Write your answer in decimal form and round to the tenths decimal place.

Answers

The answer is approx. 9.3 .
If 1 = 10.75 you would divide 100 by 10.75 to get X .

its my birthday soon, im turning 13 where would a fun place to go to

i know weird question im debating on airsoft, paintball, or just hanging around in the strip mall area near my house.

Answers

Answer:

PAINTBALL

Step-by-step explanation:

Answer:

OOOHHH Happy birthday!!!!

Step-by-step explanation:

All of those sound fun, if you want to do all, maybe ask or have a vote on what your guests would like. Have fun!

there you go beuty :)

Answers

Answer:

Thank you so much I appreciate all of your support for me

Step-by-step explanation:

Answer:

thank you <33

Step-by-step explanation:

Use the interactive to graph the line that goes through (–4,–3) and has a slope of 3/4.

Which statements are true about the line? Check all that apply.
The line is horizontal.
The line goes through the origin.
The point (3,4) lies on the line.
The line is sloping upward.
The x-intercept is 0.

Answers

Answer:

simbizi

Step-by-step explanation:

Answer:

The line goes through the origin

The line is sloping upward

The x intercept is 0.

Step-by-step explanation:

Write an inequality to describe the relationship between −1 2/3 and -1/4

Answers

Answer:

-1 2/3 < -1/4?

Step-by-step explanation:

Since they are negative -1/4 is closer to 0.

Express 16.54 as a mixed number.

Answers

Answer:

16.54 equals 16 and 27/50

Step-by-step explanation:

Answer:

16 and 27/50

Step-by-step explanation:

6.4 x 10 to the power of 17

Answers

64

Hope this helps youuuu

6.4 x 10 = 64, however, that is not the answer.

64^17 would be 64 multiplied upon itself 17 times.

The answer you should submit should be 64^17 since the number it creates is too big to calculate

Find Hiroshi’s mistake and correct it.
Write at least 3 sentences.
Hiroshi is determining -42 - (-37). Find his mistake and correct it.
-42 - (-37) = 42 - 37 = 5

Answers

-5

Step-by-step explanation:

-42-(-37)=(-42)+37=(-5)

The answer should be -5

please help due now ​

Answers

Answer: the first and third ones are the answers

Step-by-step explanation:

pease help mw alottttttt

Answers

so

(2;-2) will be (1; -1)

(2;-6) will be (1;-3)

(6;-4) will be (3;-2)

(6;-6) will be (1;-1)

This question. Help.


HELP

Answers

Answer:

I don't think there is enough information. I've done something similar. Maybe if there was a number already in place on the right under the number 30.

this is what i did, i can’t say it’s correct.

Before leaving to visit Mexico, Levant exchanged 270 American dollars and received 3,000 Mexican pesos.

When he returned, he had 100 pesos left.

How much will he get when he exchanges the pesos for American dollars?

Answers

Answer:

I think around $11

Step-by-step explanation:

3,000 ÷ 270 = 11.1111......

Answer:

$9

Step-by-step explanation:

Find the unit rate first

270 ÷ 3,000 = 0.09

Now multiply the unit rate (0.09) by 100

0.09 x 100 = 9

Levant will get $9 dollars in exchange.

Pls need help fast ....

Answers

Answer:

8 1/4

Step-by-step explanation:

Han earns $33.00 for babysitting 4 hours. At this rate, how much will he earn if he babysits for 7 hours?

Answers

Answer:

$57.75

Step-by-step explanation:

33/4 = 8.25 per hour

8.25*7 = 57.75

Answer:

57.75

Step-by-step explanation:

33 ÷ 4 = 8.25

8.25 × 7 = 57.75

Which statement describes what happens when (4, 6) is reflected across the y-axis? Select all that apply:

A) The y-coordinate of the reflection is -6.
B) The x-coordinate of the reflection is -4.
C) The reflection is in Quadrant II.
D) The reflection is in Quadrant IV.

Answers

Answer: Actually the answer up there is wrong here is your answer:

The x -coordinate of the reflection is -4. and The reflection is in Quadrant II.

Step-by-step explanation: there you go have a great day.=D

The correct description for when (4, 6) is reflected across the y-axis,

⇒ The x-coordinate of the reflection is -4.

What is Coordinates?

A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.

Given that;

Point (4, 6) is reflected across the y-axis.

We know that;

The rule of reflection about the y - axis is,

⇒ (x, y) → (- x, y)

So, Point (4, 6) is reflected across the y-axis, the point is,

⇒ (4, 6) → (- 4, 6)

Thus, The correct statement is,

⇒ The x-coordinate of the reflection is -4.

Learn more about the coordinate visit:

https://brainly.com/question/24394007

#SPJ2

Please show me how u get the work ty so much

Answers

Answer:

C

Step-by-step explanation:

Sum means addition

5 times a number (a number is the variable)

and is also addition

so five times a number plus 2

and the answer is 80

help asap
Figure PQRS is reflected about the y-axis to obtain figure P'Q'R'S':

A coordinate grid is shown from negative 4 to 0 to 4 on both x- and y-axes. A polygon PQRS has P at ordered pair 1, 1, Q at ordered pair 2, 3, R at ordered pair 3, 3, S at ordered pair 4, 2. A polygon P prime Q prime R prime S prime has P prime at ordered pair negative 1, 1, Q prime at ordered pair negative 2, 3, R prime at ordered pair negative 3, 3, and S prime at ordered pair negative 4, 2.

Which statement best describes the relationship between the two figures?

Figure PQRS is bigger than figure P'Q'R'S'.
Figure PQRS is similar to figure P'Q'R'S'.
The measure of angle S is equal to the measure of angle Q'.
The measure of angle S is equal to the measure of angle P'.

Answers

Figure PQRS is similar to figure P’Q’R’S’
A is the correct answer

Need help .....please help mee.. (dont answer if u dont know how to do it).

Answers

Answer:

2/0.25 then 3/1.5

Step-by-step explanation:

there are 3 avocados in 1.5 minced ounces i believe fo number 10

I need to know this ASAP!!!!
Solve for x

Answers

Answer:

X=10

Step-by-step explanation:

look at the steps and see how I solved for x

Answer:x=10

Step-by-step explanation:

Who is this person.....

Answers

Answer:

Kyle Craven or is you want his meme name "Bad luck Brian

Other Questions
Which of the following fractions can be represented by a terminating decimal? A. B. C. D. What evidence supports the central idea of the Read the passage from the ancient Egyptian Book of the Dead. passage'? The ancient Egyptians had many religious practices OEgyptians believed in many godS: and prepared for-the afterlife in many ways. OSouls were lost on the way to the afterlife They believed that life on Earth and life after death with the gods were linked. They performed rituals and used Priests were used to help prepare for the afterlife OEgyptians thought gods were linked with the afterlife magical spells as part of their religion. They believed that if they made offerings to the gods, they would have a favorable life. They would ask the priests to help them with spells and with actual healing and medicine. They also believed that magic was involved in reaching the afterlife, so they had to prepare. Certain prayersS had to be said, and specific actions had to be done, or a soul could be lost on the way to achieving life after death Mark this and retur0 Save and Exit Net Subm O About 80% of beef supply is controlled by 4 companies. Name them. angle 4 and angle 5 are ??? angles will mark brainiest [tex]\sqrt{8} + \sqrt{2}[/tex] 3/4 divided by 1/8 show work pls Hydrochloric acid and sodium hydroxide can be combined to form sodium chloride and water. Which best explains the reaction? Need someone to write a THEME STATEMENT that defines your life, and explain in at least three more sentences what has happened within your life that leads you to choose this statement. They have not become office-seekers. ... They have notbecome swaggerers and insolent on the streets. [Thevote] has women broader and greatly increased theunderstanding of the community at large of the problemsof good government; of proper sanitation, of pure food,or clean water, and all such matters in which intelligentwomen would naturally take an interest. ... It haselevated the moral standard of the suffrage.-"Speech in Favor of Women's Suffrage," 1910,Robert OwenHow did the 19th amendment affect society overall?Use the drop-down menus to complete each sentence.Because of women's suffrage,haveimproved society as a whole.Womenpure food and cleanwater.The moral standard of suffrage has been Solve for X, and show the equation you would use to solve. There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned how to kindle one easily. In these days we can kindle a fire without any trouble, because we can easily get a match; but we must remember that the match is one of the most wonderful things in the world, and that it took men thousands of years to learn how to make one. Let us learn the history of this familiar little object, the match.Fire was first given to man by nature itself. When a forest is set on fire by cinders from a neighboring volcano, or when a tree is set ablaze by a thunderbolt, we may say that nature strikes a match. In the early history of the world, nature had to kindle all the fires, for man by his own effort was unable to produce a spark. The first method, then, of getting fire for use was to light sticks of wood at a flame kindled by natureby a volcano, perhaps, or by a stroke of lightning. These firebrands were carried to the home and used in kindling the fires there. The fire secured in this way was carefully guarded and was kept burning as long as possible. But the flame, however faithfully watched, would sometimes be extinguished. A sudden gust of wind or a sudden shower would put it out. Then a new firebrand would have to be secured, and this often meant a long journey and a deal of trouble.In 1827, John Walker, a druggist in a small English town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. The druggist had discovered the first friction-chemical match, the kind we use to-day. It is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. Although Walker's match did not require the bottle of acid, nevertheless it was not a good one. It could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. In a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. The match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. It would ignite when rubbed on any dry surface, and there was no longer any sputtering. This was the phosphorus match, the match with which we are so familiar.How does the author develop the idea that humanity's early fire-starting tools may have been dangerous? Please respond in three to five complete sentences, using evidence from the text to support your answer. Female killer whales stop reproducing in their ____. 50s-60s, 60s-70s, 40s-50s, 30s-40s Whick equation describes the line that passes through (-3, 1) and is parallel to the line y = 4x + 1? After my salary was increased by 12%, it was $62,720. What was my salary before the increase?I'll mark brainliest! Solve the proportion. I need to show much work so a step by step explanation would help! Explain what is meant by the term mechanical advantage. Where was the first publishing house built?a Englandb. FranceC. Germanyd. SpainPlease select the best answer from the choices provided Bcd For 10 points What was done to protect the Chinese empire against invaders?they attacked the enemies firstbuilt the Great Wallmore soldiers were draftedinstalled fortifications on the rivers political: the lack of government services in cities led to the creation of _____, ____, who participated on corrupt practices to gain votes. Sue graphed the formula for converting temperatures from Fahrenheit to Celsius.If the temperature is 50 degrees Fahrenheit, what is the temperature in Celsius?