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sammy [17]
3 years ago
9

Statistics help please!

Mathematics
1 answer:
Anastasy [175]3 years ago
7 0
The answer would be $9
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A rectangular piece of metal is 20 in longer than it is wide. Squares with sides 4 in long are cut from the four corners and the
Misha Larkins [42]

Answer:

Step-by-step explanation:

This is good!  The length of the metal is 20 inches longer than the width.  But we fold up 4-inch flaps on each side, so the height of the box is 4 inches, and the length and width will each decrease by 8 inches (4 inches on each side).  Since the length and width decrease by the same amount, the length will still be 20 inches longer than the width.  So the equations would be:

l = w + 20

vol = l x w x h = 1716 in3

1716 = (w + 20)(w)(4)

1716 = 4w2 + 80w

4w2 + 80w - 1716 = 0

4(w2 + 20w - 429) = 0

4(w + 33)(w - 13) = 0

w + 33 = 0, so w = -33

w - 13 = 0, so w = 13

Since the width can't be negative, the width of the box is 13 and the length is 33 (13 + 20).

But remember, the length and width of the piece of metal are each 8 inches longer than the box, so it was 41 inches by 21 inches.

7 0
3 years ago
The product of three-fourths of a number and 7 is one-half of 672.​
UNO [17]

Answer:

n=64

Step-by-step explanation:

3/4(n)*7=1/2(672)

21 /4 n=336

n=64

7 0
2 years ago
The girls in Karen’s family own a total of 46 T-shirts. The oldest, Heidi, has 18 T-shirts. Karen has six times as many T-shirts
IgorLugansk [536]
Total  = 46 , ,heidi = 18 , 46 - 18 = 28 . 28 / 7 = 4 , so karen has 24 t shirts and june has 4 , its hard for me to explain how to get 7 but its correct 
5 0
3 years ago
6 goes into 48 how many times
Rainbow [258]
<span>the are 8 sixes in the number 48




Hope I helped 

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</span>
3 0
3 years ago
Read 2 more answers
Can you please help me solve this equation? x+9−3≤14
aleksley [76]
X+9-3≤14

Add 3 to the other side. (do the inverse of subtraction)

x+9≤17

Subtract 9 on both sides. (the inverse of addition)

x≤8

I hope this helps!
~kaikers
5 0
3 years ago
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