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patriot [66]
2 years ago
6

Answer to this question please

Mathematics
1 answer:
fredd [130]2 years ago
8 0

Answer:

Volume is 21

Explanation

Base length is 4.5

Widgth is 3.5

and height is 4 (I can't tell if its 2 because picture is blurry)

V=lwh/3=4.5·3.5·4= 21

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Can someone explain? Please help! 15 pts!!!!
anygoal [31]
Let 
x--------------> the third stone measure

we know that
the recommended height for the bench is ------> 20 in
20=[4 3/8]+[4 1/2]+[5 1/4]+[x]
4 3/8---------> (4*8+3)/8=35/8
4 1/2---------> (4*2+1)/2=9/2
5 1/4---------> (5*4+1)/4=21/4

20=[35/8]+[9/2]+[21/4]+[x]

<span>x=20-(35/8)-(9/2)-(21/4)</span>

x=20-(35+4*9+2*21)/8-----> 20-113/8------- > (8*20-113)/8

x=47/8---------- > 5.875=5 7/8

<span>
<span>the answer is 5 7/8 in</span></span>



3 0
3 years ago
You roll a number cube one time.<br> What is the probability of not rolling a 8 or a 10?
liq [111]

Answer: 80% or 4/5

Step-by-step explanation:

so I don’t know how many numbers there are on this cube (a standard number cube has #1-6) but I’m going to go with 10 numbers (don’t know how this is possible but anyway-). I’ll edit my answer if needed.

10 numbers

10 (numbers) - 2 (#8 and #10) = 8 (possible numbers)

so 8/10 or 80%

reduced fraction: 4/5

percentage: 80%

fraction: 8/10

*will edit if needed

3 0
2 years ago
Working alone, Darryl can mop a warehouse in 11 hours. Elisa can mop the same warehouse in 9
Harrizon [31]

Answer:

  • ≈ 5 hours

Step-by-step explanation:

<u>Time needed if they work together:</u>

  • 1 / (1/11 + 1/9) =
  • 1/ (20 / 99) =
  • 99/20 ≈ 5 hours
3 0
2 years ago
Please help ‼️‼️ I’m doing functions
eduard
In this problem, you're looking for the value of t, so that f(t) = 48. That means if you put t into 5t-7, you'll get 48. To do this set up and solve an equation for t by setting 48 equal to 5t-7:
5t-7=48

Isolate the variable by adding 7 to both sides. 
5t=55

Divide by 5 on both sides to find t.
t=11

The answer is 11.


8 0
3 years ago
Given h(x) = -3x - 2 solve for x when h(x) = 1
solmaris [256]

Answer:

-5

Step-by-step explanation:

h(x) = -3x - 2

h(x) = 1

[ just put '1' in place of every 'x' ]

-3(1) -2
= -3 -2
= -5 (answer)

5 0
2 years ago
Read 2 more answers
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