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yanalaym [24]
3 years ago
9

90 marbles were stored in two boxes, box A and box B. After 5 marbles were removed from box A to box B, both boxes had the same

number of of marble. How many marbles were in box A originally?
(Please help- I really don't understand)
Mathematics
2 answers:
KIM [24]3 years ago
6 0

Answer:

50 marbles in box a

Step-by-step explanation:

if one box has 50 and another 40, when you take away 5 from box a there will be 45 and 45 and in total there are still 90 marbles. Your welcome. Pls mark brainliest

arsen [322]3 years ago
4 0

Answer:

There were originally 50 marbles in box A.

Step-by-step explanation:

If you have 50 marbles in box A and put five of them into box B, they would both have 45 marbles.

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A gallon of paint will cover approximately 350 square feet and artist wants to paint all the outside surfaces of a cube measurin
Gelneren [198K]
Assuming that the artist wants to paint 6 sides of the cube, the formula to count the surface area of the cube would be: 6* edge length^2. If the edge length is 10 feet, then the area would be:
area= 6*edge length^2
area= 6* 10^2 feet 
area= 6*100feet^2= 600 feet^2

If one gallon of paint can be used for 350 feet^2, the amount of paint needed would be: 600feet^2/ (350ft^2/ gallon)= 1.71 gallon
8 0
3 years ago
Given the function F (x) = x2 -2x -5 determine the average rate of change of the function over the interval -5 < x <6.
KengaRu [80]

Answer:

1

Step-by-step explanation:

Here f(x) = x^2 - 2x - 5, which at x - -5 is 25 +10 - 5 = 30 and at x = 6 is 19.

The average value of a function f(x) over an interval [a, b] is

                  f(b) - f(a)

ave. val. = ---------------

                     b - a

which in this particular case is

                     19 - 30

ave. val. = ----------------- = -11/11 = 1

                     6 - (-5)

The average value of this function f(x) = x^2 - 2x - 5 on [-5, 6] is 1.

4 0
2 years ago
Please help. Will give brain!!
charle [14.2K]

Answer: I believe it's 5 I am not sure

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Please help me figure out the volume c:
cluponka [151]

Answer:

Prism d has the greater volume

Step-by-step explanation:

5 0
3 years ago
A boy has 6 red , 5 yellow and 4 green marbles. In how many ways can the boy arrange the marbles in a line if:
Arte-miy333 [17]

A.

\dfrac{15!}{6!5!4!}=\dfrac{7\cdot8\cdot\ldots\cdot14\cdot15}{2\cdot3\cdot4\cdot5\cdot2\cdot4\cdot4}=630630

B.

15!=1307674368000

7 0
3 years ago
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