Mark bought 8 boxes a week later half of all his boxes were destroyed in a fire there are now only 20 boxes left with how many did he start?

Let it b represent how many boxes he started with

Equation or inequality:

Mark began with:

Answers

Answer 1

9514 1404 393

Answer:

equation: 1/2(s +8) = 20Mark began with 32 boxes

Step-by-step explanation:

Let s represent the number Mark started with. After buying 8 more, he then had s+8. After the fire, he had ...

  (1/2)(s +8) = 20

This equation can be solved by multiplying by 2, then subtracting 8.

  s +8 = 40

  s = 32

Mark began with 32 boxes.


Related Questions

What is the volume of this cylinder shown below?

Answers

Answer:  138.16 cubic feet (choice H)

This volume is approximate and occurs when you use pi = 3.14

==========================================================

Work Shown:

r = 2 ft = radius

h = 11 ft = height

V = volume of cylinder

V = pi*r^2*h

V = pi*2^2*11

V = pi*4*11

V = pi*44

V = 44pi .... exact volume in terms of pi

V = 44*3.14

V = 138.16 .... approximate volume and the final answer

Answer:”H”

Step-by-step explanation: just trust the process

Which notation indicates 2 congruent segments

Answers

Answer:

≅ is congruent

Step-by-step explanation:

║ is parallel

⊥ perpendicualr

Which number line represents the solution set for the inequality 3(8 – 4x) < 6(x - 5)?

Answers

Answer:

The second number line would be represented by the equation

1)What's the probability of spinning a green on
Spinner A (2 green, 2 yellow, 2 blue, and 2 red),
and the yellow on Spinner B (4 red, 4 blue, 4
yellow, 4 green):
Spinner A Spinner B

Answers

Answer:

spinner A(green)= 2/8 =1/4

spinner B(yellow)= 4/16 =1/4

Simplify (2^5/3^2)^4.

Answers

Answer:

Frist one is the answer of this question.

Hope it helps you.

HELP PLZZZZZZZZZZZZZZ

Answers

Answer:

True

Step-by-step explanation:

They are parallel because they will never intersect.

Hope this helps!

•••••••••••••••••••••••••••••••
Correct me if my answer
is incorrect, thank you!

The following is the correct way to show the product for 0.386 × 6.1:

Multiplication standard algorithm of 0.386 times 6.1. There is a solid line underneath the 6.1 that yields 386. Underneath the 386 there is a plus 23160. There is a line underneath the 23160 with 2.3546 underneath it.
is it
True
False

Answers

Answer:

In my point of view It's true

Answer:Ture

Step-by-step explanation: dont have one jsut makes the most sense im a very smart 14 y/o

solve for n if nC2=nC4

Answers

Answer:

Ans is 8

Hope it is helpfully.Have a nice day.

Mary is putting money into savings account. She starts with $750 in the savings accounts, and each week she adds $30.

Answers

I think you are missing something from the question

The value of 2^3 + 3^3 = ___.​

Answers

35 is the answer to 2^3 + 3^3

Answer:

35

Step-by-step explanation:

2^3+3^3

8+27

35

solve for x, need help!

Answers

Answer:

Cosθ =Adjacent / hypotenuse

[tex] \cos(45) = \frac{6}{x} \\ \frac{1}{ \sqrt{2} } = \frac{6}{x} \\ x = 6 \sqrt{2} [/tex]

Grass seed is going to be spread over a playing field. The number of
bags of seed needed depends on the size of the field. The rectangular
field is 87 yards long and 60 yards wide. What is the area of the field?

Answers

Answer:

A =5220 yd^2

Step-by-step explanation:

The area of a rectangle is given by

A = l*w  where l is the length and w is the width

A = 87 * 60

A =5220 yd^2

Lizzie came up with a divisibility test for a certain number $m \neq 1$:

Break a positive integer n into two-digit chunks, starting from the ones place. (For example, the number 354764 would break into the two-digit chunks 64, 47, 35.
Find the alternating sum of these two-digit numbers, by adding the first number, subtracting the second, adding the third, and so on. (In our example, this alternating sum would be 64-47+35=52.


Sorry for the big problem but I really need help with this :grimacing:

Answers

Answer:

101

Step-by-step explanation:

Three friends all live on the same street that runs west to east. Ben lives 7 blocks from Al. Carl lives 4 blocks from Ben. If the street is represented by a number line and Al's house is located at 0, what are the possible locations for Carl's house?

Answers

Answer:

Carl is located in 11

Step-by-step explanation:

I. If the street runs west to east

AI is 0

Ben is -7

Carl is -11

But there's no negative in address in the real world

so Cars is located in 11

For discuss, leave comment below.

5,878+596 plz help me

Answers

6,474

.........................

Answer:

The answer is 6,474

Please Help!!! Solve for xxx in the diagram below.

Answers

Answer:

40 is your answer

Step-by-step explanation:

3x= 120 ( vertically opposite angles)

x=120/3

x=40

Side XY is of length 11b .
Side XZ is of length 2a+3b.
Side YZ is of length a The triangle is isosceles, with XY=XZ
The perimeter of the triangle is 91. Use algebra to find the values of a and b.

Answers

Answer:

a = 14, b = 3.5

Step-by-step explanation:

XZ = XY , then

2a + 3b = 11b ( subtract 3b from both sides )

2a = 8b ( divide both sides by 2 )

a = 4b

The perimeter is 91 , so

11b +2a + 3b + a = 91

14b + 3a = 91 ← substitute a = 4b

14b + 3(4b) = 91

14b + 12b = 91

26b = 91 ( divide both sides by 26 )

b = 3.5

and a = 4b = 4 × 3.5 = 14

please help me, if you help then thanks!

Answers

Answer:

[tex] {x}^{2} {y}^{8} [/tex] (second option)

Step-by-step explanation:

[tex] \frac{( {x}^{2} {y}^{3} {)}^{4} }{( {x}^{3} {y}^{2} {)}^{2} } [/tex]

[tex]( {x}^{2} {y}^{3} {)}^{4} = ( {x}^{2} {)}^{4} \times ( {y}^{3} {)}^{4} [/tex]

[tex] {x}^{8} \times ( {y}^{3} {)}^{4} = {x}^{8} {y}^{12} [/tex]

[tex] \frac{ {x}^{8} {y}^{12} }{( {x}^{3} {y}^{2} {)}^{2} } = \frac{ {x}^{8} {y}^{12} }{ {x}^{6} {y}^{4} } [/tex]

[tex] \frac{ {x}^{2} {y}^{12} }{ {y}^{4} } = {x}^{2} {y}^{8} [/tex]

[tex] = {x}^{2} {y}^{8} [/tex]

Select the best answer for the question.
17. What is the sum of 1/9, 2/3, and 5/18?
O A. 4/15
O B. 12/g
O C. 8/30
O D.
19/18
MA .
Lovi
AL HADIR

Answers

Answer: D 19/18

Step-by-step explanation: First you have to make a common denominator of 18. 1/9 becomes 2/18. 2/3 becomes 12/18. 5/18 stays the same. Then you have to add the numerators and you get 19/18.

determine is true Given a right triangle with side lengths of 4, 5, and 3, if we increase the length of the hypotenuse by 2 units but decrease the length of each leg by 1 unit, then the resulting triangle is still a right triangle.

Answers

9514 1404 393

Answer:

  False

Step-by-step explanation:

The new side lengths are 3-1 = 2 and 4-1 = 3. The new longest side is 5+2 = 7.

The side lengths 2, 3, 7 do not form any sort of triangle, much less a right triangle.

The statement is false.

(1 point) Find the equation of the line that contains the point (8,6) and is perpendicular to the line 3x + 2y = 2. Write
the equation in the form y = mx + b and identify m and b.

Answers

Step-by-step explanation:

Equation of given line:

3x+2y=2

2y=-3x+2

y=-3/2 x +2

slope =m1=-3/2

As lines are perpendicular:

m1×m2=-1

-3/2×m2=-1

required slope=m2=2/3

By using point slope form:

y-6=2/3(x-8)

3y-18=2x-16

3y=2x-16+18

3y=2x+2

y=2/3 x+2

m=2/3 ,b=2

Note:if you need to ask any question please let me know.

Use the number line below to find the midpoint of segment AB

midpoint of segment AB

Answers

Answer:

-4 is the mid point

Step-by-step explanation:

-4 is in the middle of A and B

solve this equation 2(y + 2) = 3(y - 7)

Answers

Answer:

[tex]2(y + 2) = 3(y - 7) \\ 2y + 2 \times 2 = 3y - 3 \times 7 \\ 2y + 4 = 3y - 21 \\ y \: terms \: togther \\ 3y - 2y = 4 + 21 \\ y = 25[/tex]

[tex]thank \: you[/tex]

is 41 x 10 to the power of 6 = 41,000,000

Answers

Answer: yes 41 x 10 to the power of 6 is 41000000

your correct.

Step-by-step explanation: Mark me brainliest plz

Yes correct 41000000

Moly and Lynn both set aside money weekly for their savings. Molly already has $650 set aside and adds $35 each week. Lynn already has $825
set aside but acids only 515 each week. Which inequality could they use to determine how many weeks, it will take for Mollys savings to
exceed Lyon's savings?

Answers

Answer:

650+35w>825+15w

Step-by-step explanation:

The tempature at 5 P.M. is 20 degrees f. The temperature at 10 P.M. is -5 degrees f. How many degrees did the temperature fall?

Answers

Answer:

25 degreea bestie hope thiis helped

Find the y-intercept and x-intercept of the line. 5x-8y=14

Answers

Answer:

x-intercept = 14/5

y-intercept = 7/4

Step-by-step explanation:

To find the value of an intercept (x/y) of an equation like this, simply set the other variable to 0 and divide both sides by the coefficient of the variable you're trying to find.

When x=0
5(0)-8y=14
-8y=14
Y=-2
So y intercept= -2

When y=0
5x-8(0)=14
5x=14
X=5/14 or 0.36
So x-intercept = 5/14

Determine whether the statement is true or false.
13 € {1, 2, 3, ..., 10}
True
False

Answers

Answer:

Determine whether the statement is true or false.

13 € {1, 2, 3, ..., 10}

True

The sum of the present ages of a son and his father is 60 years. Six years ago, father's

age was five times the age of the son. After 6 years, what will be son's age?​

Answers

Answer:

15 years old

Step-by-step explanation:

The equation for their present ages is s+f=60. Six years ago would make it 54 and since the father's age six years ago was 5 times his son's the equation would be s+5s=54 (add the common terms) 6s=54. 54/6 is 9. So the son's age is 9, currently. In six years, the kid will be 15.

Mrs bell ha a 256 ounce bag of potting soil. What is the greatest number of 6 ounce pots she can completely fill with soil

Answers

Answer:

42

Step-by-step explanation:

256/6 = 42.6666 ≈ 42

round down as they want the pots to be completely filled

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