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chubhunter [2.5K]
3 years ago
7

What is the diameter of 4.2cm

Mathematics
2 answers:
Natali [406]3 years ago
8 0

Answer:

Presuming the 4.2 cm is the radius the diameter would be 8.4 cm

Step-by-step explanation:

Radius is half the diameter

So it would be 4.2 X 2 for the diameter

Correct me if I'm wrong

maria [59]3 years ago
6 0

Answer:

Diameter is twice the radius, therefore 4.2cm radius = 8.4cm diameter.

Step-by-step explanation:

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a rectangular piece of metal is 10 in. longer than it is wide. squares with sides 2 in. long are cut from the four corners and t
lions [1.4K]
Volume of the box = length  * width * height

length of original peice = x + 10 , width = x

length of box  (x + 10) - 4  = x + 6
width of box = x - 4
height of box =  2

so we have 

2 * (x -4) * ( x + 6) = 832

2x^2 + 4x - 48 = 832

2x^2 + 4x - 880 = 0
x^2  + 2x - 440 = 0

(x + 22)(x - 20) = 0

x = 20

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3 years ago
P-9=15 simplify answer
stira [4]

Answer:

p=24

(Please vote me Brainliest if this helped!)

Step-by-step explanation:

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Maria made blueberry muffins for a bake sale. Each muffin cost her about $0.25 to make. She spent $8.75 to make all of the muffi
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Answer: $17.50.

Step-by-step explanation;

If each muffin cost her $0.25 to make and she spent $8.75 making all muffins, then you can divide this amount to find out how many muffins she made (8.75/0.25), this is 35 muffins. If she sold each muffin for $0.50, multiply the number of muffins (35) by their price ($0.50), this is $17.50. Therefore, <em>Maria received $17.50 from selling her muffins</em>.

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