Sam is 3 years younger than Marco. Marco is 15 years old. How old is Sam? Let X represent Sam's age (there are 2 correct answers)
x + 15 = 3
x + 3 = 15
15 divided by x = 3
3 x = 15 15 - x = 3
thanks

Answers

Answer 1
X + 3 = 15 and 3 X = 15, 15 - X = 3
Answer 2
Answer:

Correct options are:

X+3=15

and 15-X=3

Step-by-step explanation:

Sam is 3 years younger than Marco.

Let X represent Sam's age

Then, Marco's age=X+3

Marco is 15 years old.

i.e. X+3=15

or 15-X=3

Hence, Correct options are:

X+3=15

and 15-X=3


Related Questions

-4(5k-7)-2k=-2(9k+5)

Answers

If you distribute -4 through (5k-7), it equals -20k + 28. Then put on the other -2k on that side of the equals sign and you should have -22k + 28 = -2(9k+5) Then you need to distribute -2 through (9k+5) which equals -18k - 10. You then should have -22k+28=-18k-10. Add 22k to both sides to cancel it out, then you should have 28=4k-10. Add 10 to both sides to get the 4k by itself, which will be 38=4k, then divide both sides by 4 to get k by itself. 38/4 = 19/2. k = 19/2

How to write 48 /50 as a percentage

Answers

To solve this, you can either change it to a decimal or change the denominator to 100. 

To solve this by changing it to a decimal, you would first convert the fraction to a decimal. 
[tex] \frac{48}{50} [/tex] = 0.96

Then, you would move the decimal point two space to the right. Giving you...
96%

Now, to solve this by changing the denominator to 100, you would multiply the top and bottom by 2. Giving you...
[tex] \frac{96}{100} [/tex] = 96%

Your answer would be 96%

I hope this helps!

10 PTS!! (5 + 2/8) - (3 7/8)

Answers

The answer should be 1 3/8
(5 + 2/8) - (3 7/8) = 11/8

( 8 x 10^-3 ) * (0.0002) = ?

In scientific notation please

Answers

 1.6 × 10 to the negative sixth power "10 -6". 

How do you simplify this expression?


-12/3*(-8+(-4)^2-6)+2

WILL GIVE BRAINIEST ANSWER!!!

Answers

-12/3*(-8+-4^2-6)+2

-4^2 = 16

-12/3*(-8+16-6)+2

-8+16-6 = 2

-12/3*(2) +2

-12/3 * 2 =-8

-8 +2  = -6

The value of the given expression -12/3×[-8+(-4)²-6]+2 will be -6.

What is an expression?

An expression is a combination of some mathematical symbol such that arithmetic operator and variable such that all are constrained and create an equation.

In other meaning, expression is very useful to determine the end or root value of constraint.

For example 3x +5y

The constraint of expression is represented as = or <, >.

Given the expression  -12/3×[-8+(-4)²-6]+2

By division and opening square root

⇒ -4×[-8+ 16 -6]+2

By addition

⇒ -4×[ -8 + 10]+2

⇒ -4× 2 + 2

⇒ -8 + 2

⇒ -6

Hence "The value of the given expression -12/3×[-8+(-4)²-6]+2 will be -6".

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yoy are choosing between two health clubs. Club A offers membership fir a fee if $21 plus a monthly fee of $26. club B offers membership for a fee of $42 plus a monthly fee of $19. After how many months will the total cost of each health club be the same?

Answers

3 months Let's express the amount of money spent on club A as a function of the number of months A = 21 + 26m And do the same thing for club B B = 42 + 19m We now want to set the 2 expressions equal to each other. 21 + 26m = 42 + 19m And solve for m. First subtract 21 from both sides 26m = 21 + 19m Now subtract 19m from both sides 7m = 21 And divide both sides by 7 m = 3 Therefore after three months, the total cost for each health club will be the same.

Select from the drop-down menu to correctly identify the property shown.
0.8+(1.2+(−3))=(0.8+1.2)+(−3)

HELP ME!

Answers

It looks hard but just do order of opporations first. parethesis, exponents, multi/divide, add/sub. then simplify like normal.

Answer:

associative property

Step-by-step explanation:

Jessica has 48 sticker.This is 8 times as many stickers as Taylor has.How many stickers does Taylor have?

Answers

Final answer:

Taylor has 6 stickers, as Jessica's 48 stickers are 8 times Taylor's amount. Also, after certain actions, we can conclude that Jenny initially had 14 chocolates.

Explanation:

Jessica has 48 stickers, which is 8 times as many stickers as Taylor has. To find out how many stickers Taylor has, we need to divide the number of Jessica's stickers by 8:

48 stickers \/ 8 = 6 stickers

Therefore, Taylor has 6 stickers.

In a similar problem, Jenny has some chocolates. After eating two chocolates and giving half of the remainder to Lisa, Lisa ends up with 6 chocolates. To determine the number of chocolates Jenny started with, we multiply the number Lisa received (6) by 2 and then add the 2 chocolates Jenny ate:

Lisa has 6 chocolates, which is half of what remained after Jenny ate 2, so before giving, Jenny had 6 * 2 = 12 chocolates.Add the 2 chocolates Jenny ate: 12 + 2 = 14 chocolates.

Hence, Jenny initially had 14 chocolates.

In May, Liam and Charlie had the same amount of money in their savings accounts. In June, Liam deposited $140 into his account. Charlie said he increased the money in his account by 5%. When they compared their balances, they found that they were still equal. How much money did they both have in their accounts in May?

PLEASE EXPLAIN HOW YOU GOT YOUR ANSWER!

Answers

Answer: $2800 Explanation: Let Initial amount be X then x+140 = x+ 0.05x since this 5% change in x is 140 solving for x we get x= 140 * 100/5 = 140 * 20 = 2800 Check: Case 1: 2800 + 140 = 2940 case 2: 2800 + 5/100 *(2800) = 2800 +140 = 2800

Identify the terms and like terms in the expression.

1.) 9x - 5x

So would you switch the numbers to additive inverse, so the terms are 9x and -5x, and the like terms are 9x and -5x?

Answers

9x and 5x are "like terms."

9x - 5x produces the same result as does   -5x + 9x.

Help me and I will crown you please!!!

Answers

All you do is divide 96 divided by 6. That is your equation. Then when you divide it, you find that he will put 16 on each shelf. All of the shelves will have the same number of books. The next one all you do is add all of them up and it will equal 43. So he has 43 dvd in total. Now if he wants to only keep eight of the dvds you subtract eight from 43. That equals 35. Now all you do is divide that by 5 to see how many he will give each friend. Once you're finished with that you find that he will give 7 to each friend.
So, the answers to each problem are 16 with the equation using distributive property 2(44 + 2) divided by 6 and 7.
I hope this helps:) Please give brainliest:)
96: (60+36) : 6=60 : 6×36 : 6=10+6=16
jared can put 16 books in each shelf

43 total movies the type of movies is added in to confuse pay no attention just add the total. he keeps 8 of them 43-8=35 he gives them to 5 friends 35 divided by 5=7 each friend would get 7 each

The temperature in Bloomington on Sunday was 32.6°C. On Monday, the temperature changed by -8.25°C. What was the temperature on Monday? -40.85°C

Answers

subtract 8.25 from 32.6 (32.6-8.25) = 24.35

Product of 32x25 and what is the strategy?

Answers

32 x 25 = 800. One strategy you can use is by adding 32 25 times, or adding 25 32 times.
Hope this helps!
The answer is 800!!!!!

What's the difference between 178 and -395

Answers

178-(-395)
A positive subtracted by a negative is always positive.
178+395
=573
178 - (-395)

178 + 395 = 573

573 is your answer

hope this helps

Triangle ABC is translated to image A′B′C′. In this translation, A(5, 1) maps to A′(6, –2). The coordinates of B′ are (–1, 0). The coordinates of B are (-2, 3). How?

Answers

Answer:

B (-2, 3)

Step-by-step explanation:

Just took quiz

The coordinates of B before translated to B' are (-2,3).

Translation is a term used in geometry to describe a function that moves an object a certain distance.

In translation, a figure can move upward, downward, right, left or anywhere in the coordinate system.

In translation, only the position of the object changes, its size remains the same.

For  the given situation,

Triangle ABC is translated to image A’B’C’.

In this translation, A(5, 1) maps to A’(6,-2).

In translation, the distance between A' and A in the coordinate system is same as B'B and C'C.

Let A(x_1,y_1) = (5,1) and A'(x_2,y_2) = (6,-2)

⇒ x_1 - x_2 = 5 -6

⇒ -1

⇒  y_1 - y_2 = 1- (-2)

⇒ 3

The coordinates of B’(-1,0)

So, the coordinates of B is

⇒ x= (-1 -1) = -2

⇒ y= (0 + 3) =3

Thus coordinates of B are (-2,3).

Hence we can conclude that the coordinates of B before translation are (-2,3).

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Question

Triangle ABC is translated to image A’B’C’. In this translation, A(5, 1) maps to A’(6,-2). The coordinates of B’(-1,0). What are the coordinates of B

Show work whit all of it

Answers

892 x 18 = 16,056
First multiply 2 with 18 and do the same with 9 and 8 then multiply 2 with one and do the same with 9 and 8 then add up the two sums which give you 16,056

A train leaves a station at 10:40 a.m. and arrives at its destination at 1:20 p.m. Find the distance between the stations if the average speed of the train was 60 mph.

Answers

160 miles.

10:40-11:40 is 60 min., which is 60 miles

11:40-12:40 is 60 min., which is also 60 miles

12:40-1:00 is 20 min. = 20 miles

1:00-1:20 is 20 min. = 20 miles

60+60+20+20 = 160 miles

Answer:

The answer is 160.2 miles.

Step-by-step explanation:

In order to determine the distance, we have to know the total time that train traveled. We know that the train leaves at 10:40 a.m. and arrives at 1:20 p.m.

So,

10:40 a.m. to 11:00 a.m.=20 minutes

11:00 a.m. to 1:00 p.m.=120 minutes

1:00 p.m. to 1:20 p.m.=20 minutes

Then, the total time is 20+120+20=160 minutes. Also we have to know that the speed is the rate of distance per time. The units are miles per hours, thus 160 min=2.67 hours.

S=speed of the train.

D=distance of the train.

T=total time of the train.

[tex]S=\frac{D}{T}\\60=\frac{D}{2.67}\\D=60*2.67\\D=160.2[/tex]

Finally, the distance between the stations is 160.2 miles.

how do you factor this expression by dividing by the GCF first. 15c-25

Answers

15c-25
15c=25
your answer is c=13.5

estimate the value of 9.9 squared 1.79

Answers

175.4379 is the answer i belive
the answer is 180 i dont know if i got it right but i tried

Which point could be removed in order to make the relation a function? (4 points)
{(−9, −8), (−8, 4), (0, −2), (4, 8), (0, 8), (1, 2)}

Answers

0,-2 or 0,8. As long as the x variable does not repeat in a relation, it is a function.

Answer:

The correct answer is (0,8)



What is the value of x in the solution to the following system of equations?

x − y = −3
x + 3y = 5
Answer for Blank 1:

Answers

u can use elimination and multiply all the terms in the top expression to get 3x-3y = -4, or 4x = -4, so x = -1. plug it in to find y if needed

The value of 'x' in the solution to the following system of equations is -1 and this can be determined by using the arithmetic operations.

Given :

x - y = -3x + 3y = 5

The following steps can be used in order to determine the value of x:

Step 1 - The arithmetic operations can be used in order to determine the value of 'x'.

Step 2 - Write the given system of equations.

x - y = -3   --- (1)

x + 3y = 5  --- (2)

Step 3 - Simplify the equation (1).

x = y - 3  --- (3)

Step 4 - Substitute the value of 'x' in equation (2).

y - 3 + 3y = 5

4y = 8

y = 2

Step 5 - Substitute the value of 'y' in equation (3).

x = 2 - 3

x = -1

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Is 5 g greater than 508 mg

Answers

Yes, 5 grams (5 g) is greater than 508 milligrams (508 mg).

To compare the two quantities, grams (g) and milligrams (mg),  

Make sure they are in the same unit.

Since 1 gram is equal to 1000 milligrams, we convert the given values into the same unit, which is milligrams (mg).

5 grams (5 g)

508 milligrams (508 mg)

To compare them, we need to convert 5 grams into milligrams:

5 grams × 1000 milligrams/1 gram = 5000 milligrams

Now, we have both quantities in milligrams:

5 g = 5000 mg

508 mg = 508 mg

Since 5000 mg is greater than 508 mg, we can conclude that 5 grams (5 g) is greater than 508 milligrams (508 mg).

Therefore, 5 grams is indeed greater than 508 milligrams.

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The Springfield fifth graders sat on the first floor at Symphony Hall. 35 students sat in each row. How many rows did they fill?

HELP ME PLEASE IM BEGGING YOU!!!!!!

Answers

Final answer:

To find the number of rows filled by the Springfield fifth graders, divide the total number of students by the number of students in each row.

Explanation:

To find the number of rows filled by the Springfield fifth graders, you need to divide the total number of students by the number of students sitting in each row. In this case, there were 35 students in each row.

To calculate the number of rows, divide the total number of students by the number of students in each row:

Number of rows = Total number of students / Number of students in each row

Since the total number of students is not mentioned in the question, I cannot provide a specific answer. However, if you have that information, you can substitute it into the formula to find the number of rows.

what is the closest estimate to 2 times 19 times 5

1,150

200

125

90

Answers

2 x 19 x 5

10 x 19 = 190

200 is your closest estimate

hope this helps
Your closet estimation is 200

The ground temperature at an airport was 10 degree temperature dropped 5 degrees for every 1000m above the ground. What was the temperature outside an airport that took off from this airport and climbed to 5000m?



PLZ EXPLAIN ANSWER IN DETAIL

Answers

The ground temperature started at 10 degrees.
The rate was: for every 1000 meters (m) of going above the ground, the temperature dropped 5 degrees, meaning that it got cooler.
The ratio is 1000 meters to 5 degrees
So that would mean: 10-5-5-5-5-5=-15 degrees

The temperature at 5000m is -15 degrees Celsius.

To determine the temperature outside an airplane that has climbed to an altitude of 5000m, we start with the initial ground temperature at the airport, which is 10 degrees Celsius. For every 1000m increase in altitude, the temperature drops by 5 degrees Celsius. We can calculate the temperature decrease over 5000m by multiplying the temperature change per 1000m (5 degrees) by the number of 1000m segments in 5000m (which is 5).

The calculation is as follows:

Temperature drop per 1000m = 5 degrees Celsius

Number of 1000m segments in 5000m = 5

Total temperature drop = 5 segments * 5 degrees/segment = 25 degrees Celsius

Temperature at 5000m = Ground temperature - Total temperature drop

Temperature at 5000m = 10 degrees Celsius - 25 degrees Celsius

Temperature at 5000m = -15 degrees Celsius

Therefore, the temperature outside an airplane that climbs to an altitude of 5000m is -15 degrees Celsius.

The rec center has two payment choices. Plan A is $35 per month for unlimited visits. Plan B is $15 per month plus $2 per visit. If Nichole will go to the rec center 8 times a month, which is the cheaper plan for her? How much will it cost?

Answers

Plan B becuase if you multiply 2 by 8 visits you get 16, and then add 15 down for that and you get 31. So 31 is less than 35 and that will be the better deal. 
Plan A : $ 35 per month , unlimited visits
Plan B : $ 15 + 2x....x being the number of visits

so Plan A will cost $ 35 for 8 visits
Plan B will cost : 15 + 2(8) = 15 + 16 = $ 31

so Plan B will be cheaper for 8 visits....and that will cost her $ 31

The word “harvested” is used figuratively in paragraph 10. How do you know it is used figuratively, and why did the author choose this word?

Answers

Final answer:

The word "harvested" is used figuratively in paragraph 10 to convey the idea of gathering or collecting something. The author likely chose this word to create a vivid image in the reader's mind.

Explanation:

The word "harvested" is used figuratively in paragraph 10 because it is not referring to the actual act of harvesting crops, but instead is used metaphorically to describe the gathering or collection of something. The author likely chose this word to create a vivid image in the reader's mind and to convey the idea of gathering or collecting in a meaningful way. This use of figurative language adds depth and richness to the text.

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Write using algebra.

Jimmy ran m miles in t minutes. What was his speed?

Answers

To find Jimmy's speed, divide the distance he ran by the time taken. Speed = Distance/Time. which is m/t.

To find Jimmy's speed, we use the formula Speed = Distance/Time.

Therefore, Jimmy's speed, in miles per minute, is m/t.

For example, if Jimmy ran 5 miles in 10 minutes, his speed would be 0.5 miles per minute (5 miles / 10 minutes = 0.5 miles per minute).

helpppppp
DX
Clayton loves riding Ferris wheels and roller coasters. While visiting the Lee County Fair, he first went on the Ferris wheel 1 time and the roller coaster 4 times, using a total of 23 tickets. Then, after taking a break and having a snack, Clayton went on the Ferris wheel 5 times and the roller coaster 3 times, using a total of 30 tickets. How many tickets does it take to ride each attraction?

It takes ____tickets to ride the Ferris wheel, and ____tickets to ride the roller coaster.

Answers

f + 4c = 23......multiply by -5
5f + 3c = 30
-----------------
-5f - 20c = -115 (result of multiplying by -5)
5f + 3c = 30
----------------add
-17c = - 85
c = -85/-17
c = 5 <=== roller coaster costs 5 tickets per ride

f + 4c = 23
f + 4(5) = 23
f + 20 = 23
f = 23 - 20
f = 3 <=== the ferriswheel costs 3 tickets per ride

a professional gambler reported that at the end of the first race at the track he had doubled his money. He bet $31 on the second race and tripled the money he came with. He bet $51 on the third race and quadrupled his original bankroll. He bet $84 on the fourth race and lost it, but still had $40 left. How much money did he start with?

Answers

firstly, he had 124 dollars by the end. one moment still figuring it out

Answer:

The gambler came with $31.

Step-by-step explanation:

Let x be the initial amount.

At the end of the first race at the track he had doubled his money, that is 2x.

He bet $31 on the second race and tripled the money he came with.

Means 3x.

He bet $51 on the third race and quadrupled his original bankroll that is 4x.

He bet $84 on the fourth race and lost it, but still had $40 left.

Summing all the values, we get;

[tex]4x-84=40[/tex]

=> [tex]4x=40+84[/tex]

=> [tex]4x=124[/tex]

=> x = 31

Hence, the gambler came with $31.

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