Hank has cards that are 8 inches by 4 inches. a stack of these cards fits inside a Box that is 8 inches long 4 inches deep 4 inches high. the cards use up to 32 cubic inches of volume how tall is the stack of cards? What percent of the Box's volume is taken up by the cards?

Answers

Answer 1

Answer: 32 cubic inches of cards
V=area of bsase times height
area of base=4*8=32
32=32*height
1=height
card stack is 1 inch high

find volume of box
v=8*4*4=128

32 cubic inches of cards
percent means parts out of 100
x%=x/100
32/128=0.25/1
0.25/1 times 100/100=25/100=25%

answer is 25%

1 inch tall
25% taken up

Answer 2

Answer:

Answer:

the answer is 32 cubic units

Step-by-step explanation:

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The earnings, E of a DJ who charges fee of $250 and an additional $40 per hour,h. NEED HELP ASAP

Answers

Given that you say the question doesn't state the duration of work, I suspect it is asking for an equation to describe E in any situation.

Therefore, let's take x to be the number of hours he is working for.

We know he earns a base $250, so E is going to be 250+something.

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Kayla buys a shirt for 8.19. she pays with a $10 bill. how much change should she receive? tell meh plz :D

Answers

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All the donated computers were shared equally by 5 classrooms. Which expression represents the number of computers each classroom received?

Answers

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Without graphing, determine the range of the function f(x) = 4|x+6|-5 overthe interval [-10,5].

Answers

Answer:

[-5,39]

Step-by-step explanation:

The vertex is at (-6,-5)

The interval is from -10 to 5 (inclusive of both endpoints...

Absolute function is open up because 4 is positive

I will plug in both endpoints now:

f(-10)=4|-10+6|-5 f(5)=4|5+6|-5

f(-10)=4(4)-5 f(5)=4(11)-5

f(-10)=11 f(5)=39

So the highest reached by f(5) which is 39 so our range will go up to 39 (inclusive)

11 is not the lowest reached, -5 is because our vertex was included within the domain

So the range is [-5,39]

5. A race course is 99 meters long. There are treesalong 38 meters of the course. How long is the part
of the course without trees?
unit

Answers

Answer:

Step-by-step explanation:

99 minus 38

Answer:

61 meters

Step-by-step explanation:

To find this answer, you need to subtract the length with trees from the total length of the course. With this information, you get an equation that looks something like x + 38 = 99, with x being the length of the course without trees.

Subtract 38 from both sides:

x + 38 = 99

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