Mathematics Middle School

what is the estimation for 5.79 x 345?

Answers

Answer 1

Answer:

19975

Step-by-step explanation:

Answer 2

Answer:

2070

Step-by-step explanation:

so you round it to

6 x 345 = 2070

Related Questions

Write a story/word problem for the expression "3 divided by 1/2" or "1/2 divided by 3"

Answers

Answer:

You have 3 cookies and need to divide them between you and a friend.

Step-by-step explanation:

Answer:

3 div 1/2 or 1/2 div 3 = 1.5 or 1.50

Step-by-step explanation:

dsffsgfduntydgfjghfu,dryfujyftmhgjghjg,kgytugjhyghkbgk

yeah

Consider the steps to convert 49% to a decimal.

The decimal point will move
places.
The decimal point will move to the
.
49% written as a decimal is
.

Answers

Answer:

Will move 2 places

left

.49

Step-by-step explanation:

Answer:

Step-by-step explanation:

49% is .49 by moving 2 spots to the left.

Find 6.5% of 220
A. 1,300
B. 14.3
C. 2.9
D. 33.8

Answers

Answer:

B 14.3

Step-by-step explanation:

.065*220 = 14.3

Answer:

Step-by-step explanation:

Hope I helped

write the equation for this line

Answers

Answer:

y = 4x + 3

Step-by-step explanation:

An airplane took four hours to fly
1,500 miles. How many hours will
it take the airplane to fly 2,250 miles
if it flies at the same speed?

Answers

Its take 2250 miles of spped

I think 2250 miles per hour

Help me with that then I’m done

Answers

To clarify he will spent 36$

HELP QUICK EDGINUITY 10 POINTS! I WILL MARK BRAINLIEST IF YOU ARE RIGHT!

Darryl has a written 60%, or 12 pages of his history report. Darryl wants to figure out how many Pages he needs to Write.
Darryls work Is shown below.

Step one: write 60% as a ratio. Part/whole = 60/100.

Step two: write an equivalent ratio using the number of PAges done so far. 60/100 = 12/?

Step three: rewrite as: 12 (100) divided by 60.

Step 4: 120÷60 = 2.

What mistake did Darryl make?

In step one, Darell should have written the radio as 100/60.

In step two, Darell should have put 12 in the denominator.

In step three, Darell should have multiplied to 60 and 100.

In step four, Darell multiplied 12 and 100 incorrectly

Answers

i messed up its 2 or 4

Answer:

D. In Step 4, Darryl multiplied 12 and 100 incorrectly.

Step-by-step explanation:

edge2021

Pls help......pic included...with work pls don't do solving equations containing decimals

Answers

Answer:

22. x = 10

23. k = 75

24. y = -24

Solve:

19. w = -2

20. x = -10

21. a = -10

22. n = -48

Step-by-step explanation:

Too many questions for explanation sorry.

Hope this helps! Have a nice day!

Answer:

22. 3x/3=30/3 x=10

23. K-25=50

+25

K=75

24. Y+16=-8

-16

Y=-24

19. W-4=-6

W=-2

20. X+5= -5

-5

X=-10

21. -6a/-6=60/-6

A= -10

22. (-4/1)h/-4=12(-4/1)

H=12x -4

H= -48

Step-by-step explanation:

I and my Brother are having a debate about this.
If someone was born in 2008 and another is born in 2011, How many years apart are they?

1.) 3 Years
2.) 2.5 Years

Answers

Answer:

They are 2 years apart!

3 years apart
2011-2008 = 3

simplify by combining like terms: 1.52c + 3.12c

Answers

Answer:

4.64c

Step-by-step explanation:

=1.52c+3.12c

=4.64c

hope it help u.

the scale of a map says that 6 cm represents 15 km. what distance on the map represents an actual distance of 6 kilometers

Answers

Answer: your answer is 2.4

Step-by-step explanation:

The answer for this question is 2.4

if you can solve this and help me out with the answers then I will give the first person to tell me a brainlyest thing

Answers

Answer:

3 is 1 1/2 for sure

Step-by-step explanation:

2 is 5.5 i think

math pls help???????

Answers

The answer is D according to kinetic molecular theory. Hope this helps!

Answer: In a gas, particles are in continual straight-line motion. The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely of each other. In most cases, there are essentially no attractive forces between particles.

So D) very energetic

Step-by-step explanation:

what is 15.49 multiplied 1.3

Answers

Answer:

20.137

Step-by-step explanation:

Answer:

20.137

Step-by-step explanation:

Which statements are true about the ordered pair (7, 19) and the system of equations?

{2x−y=−5x+3y=22

Select each correct answer.

The ordered pair (7, 19) is a solution to the first equation because it makes the first equation true.

The ordered pair (7, 19) is a solution to the second equation because it makes the second equation true.

The ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false.

The ordered pair (7, 19) is a solution to the system because it makes both equations true.

Answers

Explain it more so I can answer it

I'LL GIVE YOU 20 POINTS AND BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

It is the 5th Blue one:) We know this because the y-intercept is -2.

Answer:

I can see how this is confusing, because of -2, but the slope is decreasing, so the question wouldn't say:

[tex]-3/5x - -2[/tex]

This happens to turn the -2 into a regular 2 with an addition (+) sign.

and since the graph has an input of 5 but an output of -3, the equation would be:

y = -3/5x + 2

Suppose a, b, and c are all negative numbers. How do you find the distance between the points (a,b) and (a,c)?
Choose the correct answer below.
A. Subtract the lesser of |b| and |c| from the greater.
B. Subtract the greater of |b| and |c| from the lesser.
C. Add to |c|.
D. Subtract |b| from |c|.
E. Subtract |c| from |b|.

Answers

Answer:

Step-by-step explanation:

Let's say if b = -2 and c = -3

-2-(-3) = 1 that would be the distance between them. If it was D then you would need absolute value.

Hope this helps! Have a nice day!

-2(z+3)-z=-z-4(z+2)
solve for z quickly please! will give brainliest

Answers

Answer:

[tex] \sf z = - \dfrac{2}{3} [/tex]

Step-by-step explanation:

Solve for z:

[tex] \longrightarrow [/tex] -2(z + 3) = -z - 4(z + 2)

-4(z + 2) = -4z - 8:

[tex] \longrightarrow [/tex] -2(z + 3) = -z -4z - 8

Grouping like terms, -z - 4z - 8 = (-z - 4z) - 8:

[tex] \longrightarrow [/tex] -2(z + 3) = (-z - 4z) - 8

-z - 4z = -5z:

[tex] \longrightarrow [/tex] -2 (z + 3) = -5z - 8

Expand out terms of the left hand side:

[tex] \longrightarrow [/tex] -2z - 6 = -5 z - 8

Add 5z to both sides:

[tex] \longrightarrow [/tex] (5z - 2z) - 6 = (5z - 5z) - 8

5z - 5z = 0:

[tex] \longrightarrow [/tex] (5z - 2z) - 6 = -8

5z - 2z = 3z:

[tex] \longrightarrow [/tex] 3z - 6 = -8

Add 6 to both sides:

[tex] \longrightarrow [/tex] 3z + (6 - 6) = 6 - 8

6 - 6 = 0:

[tex] \longrightarrow [/tex] 3z = 6 - 8

6 - 8 = -2:

[tex] \longrightarrow [/tex] 3z = -2

Divide both sides of 3z = -2 by 3:

[tex] \longrightarrow [/tex] [tex] \sf \dfrac{3}{3}z = - \dfrac{2}{3} [/tex]

[tex] \sf \dfrac{3}{3} = 1 :[/tex]

[tex] \longrightarrow [/tex] [tex] \sf z = - \dfrac{2}{3} [/tex]

-2/3 is correct answer

Another Question help these are due soon!!!!!!

Answers

1. The slope is 3/1 (3)

2. 1/3

3. Decimal of 3/1 is 3.0

4. Decimal of 1/3 is .33

5. C

~theLocoCoco

can someone help me pls and pls dont guess or i will report you im sorry

Answers

Answer:

10!!!!!!!!!!!!!!!!!!!!!!!

Answer:

its 10

Step-by-step explanation:

help me plss............................................

Answers

Answer:

im not sure if this is correc but i think it may be -15 like i said not 100% sure im like 38% sure sorry

Step-by-step explanation:

Answer:

-15

Step-by-step explanation:

Claire bought 180 candies and 140 pens for goody bags for her birthday. What is the largest number of goody bags that Claire can so that each goody bag has the same number of candies and the same number of pens?

(All candies and pens should be used)

Answers

Answer:

Step-by-step explanation:

See in the picture it is from Brainly. Hope this person have helped.

Answer:

Step-by-step explanation:

Please help me with this question.

Answers

Answer:

3 to 9

second is 2.5 to 15

Step-by-step explanation:

Which situation could be represented by the equation 32.4 = 8.1x?

A. An athlete swam 32.4 miles. It took the athlete 8.1 minutes to swim each mile. What is x, the total number of minutes the athlete swam?

B. An athlete swam 32.4 miles on Friday. The athlete swam 8.1 miles on Saturday. What is x, the total amount of miles the athlete swam on Friday and Saturday?

C. An athlete swam 32.4 miles. On Monday, the athlete swam 8.1 miles and the rest on Tuesday. What is x, the number of miles the athlete swam on Tuesday?

D. An athlete swam a total of 32.4 miles. The athlete swam 8.1 miles every day. What is x, the number of days the athlete swam?

Answers

Answer:

C or A

Step-by-step explanation:

Answer:

Step-by-step explanation:

Hope I helped

PLEASE HELP ME! I NEED HELP FROM 13-14

Answers

are you allowed to use a calculator? if you are allowed, for number 13 you should put “If you put 678 into a calculator and divide it by 2, you get 339. If you divide it by 3, you get 226. And if you divide it by 6, you get 113.”They are all numbers without decimals.
I’m not sure about 14 though. Sorry :( But i hope i helped.

Answer:

13 the answer is 678 is a even number 14 is divide 36 by 6

Step-by-step explanation:

brainliest?

Nine shuttle buses are being used to transport 1,176 people from the convention center back to their hotels. Each shuttle bus can transport 45 people, and a bus will not leave the convention center until every seat is occupied. How many trips will each of the 9 shuttle buses need to make to transport all 1,176 people back to their hotels?

Answers

Answer:

26 busses.

Step-by-step explanation:

the first 25 busses will be full. then the last one will have 6 people.

How many Times more massive is stupider than mercury? Answer the questions to find out.
Estimate Jupiters mask using a one digit whole number of times a power of 10. Be sure to include the units.

Answers

Answer: I would say about 30-35 times.

What's 9 + 10????????????

Answers

Answer:

Step-by-step explanation:

i aint never seen two pretty best friends its always one of em gotta be ugly

Answer:

21 duh

thats basic math

Ramiro did a survey of the number of pets owned by his classmates, with the following result

What was the mean Deviation of the number of pets?

A-1.02
B-1.053
C-1.087
D-1.12

Answers

C is the answer .....

The mean deviation of the number of pets Ramiro surveyed as shown in the table attached below is: D. 1.12

To find the mean deviation of the number of pets, the following steps would be taken:

Find the mean, which is sum of each frequency and score (fx) divided by the total number of pets. [tex]\mathbf{(\frac{\sum fx}{n} )}[/tex]Subtract the mean from each score, [tex]\mathbf{( x - \bar x)}[/tex]Sum the deviations together and divide by total number of pets.The formula for the mean deviation is given as: [tex]\mathbf{\frac{\sum f* |x - \bar x|}{n} }[/tex]

Mean deviation as solved in the table attached in the image below would be:

[tex]\mathbf{\frac{33.6}{30} = 1.12}[/tex]

Therefore, the mean deviation of the number of pets Ramiro surveyed as shown in the table attached below is: D. 1.12

Learn more here:

https://brainly.com/question/24185612

Antonio and Candice had a race. Their distances past a particular landmark as the race progressed can be represented by linear functions and are shown in the table of values and graph below. Which statement is true regarding Antonio and Candice’s race?
A. Antonio had a head start of 1 meter
B. Antonio had a head start of 3 meters
C. Candice had a head start of 1 meter
D. Candice had a head start of 3 meters

Answers

Answer:

Step-by-step explanation:

B. Antonino had a head start of 3 meters. If you use the slope to find the unit distance of both Candace and Antonio, you will see that Candace is at 2 meters and Antonio is at 5, meaning Antonio had a head start of 3 meters

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