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Tomtit [17]
4 years ago
10

Help please?!?!?!?!?!?!?!?!?!?!?!?!

Mathematics
2 answers:
Digiron [165]4 years ago
5 0
72-[(3×2^3)+48]
72-[(3×8)+48]
72-[24+48]
72-72
0

so your answer is ZERO ( 0 )
zubka84 [21]4 years ago
3 0

PEMDAS.

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Lets apply that here.

72-[(3x2^3)+48]

So first we start with (3x2^3)

2^3=8

3*8=24

now we do 24+48 which equals 72

now we have 72-72 which equals zero.

So

72-[(3x2^3)+48] = 0

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3 years ago
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K + 11 = -3k- 25 + 2k
icang [17]

Answer:

k = -18

Step-by-step explanation:

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C = k - 273.15 (a) Write two other related equations . (b) If the temperature is 23 in degrees Celsius , what is the temperature
Alona [7]

Answer:

(a) k = C + 273.15, F = 1.8(k - 273.15) + 32

(b) k = 296.15

(c) 25 celcius is greater than 300 kelvis.

Step-by-step explanation:

(a) one equation would be to solve for k instead of c, and another related equation could be from kelvin to Farenheit.

C = k - 273.15

C + 273.15 = k

k = C + 273.15

F = 1.8(k - 273.15) + 32

(b) for this one you have to substitute in the previous equation and solve for k.

23 = k - 273.15

k = 23 + 273.15

k = 296.15

(c) you have to convert either kelvins to celcius or celcius to kelvins.

C = k - 273.15

C = 300 - 273.15

C = 26.85

So 25 celcius is greater than 300 kelvis.

5 0
3 years ago
Santiago walked 500 m
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Answer:

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She walked 3.5 km in 1 week.

7 0
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A recipe uses 5 cups of sugar for every 2 cups of sugar how much flour is used with 7 cups of sugar
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Answer:

35 cups of flour is used with 7 cups of sugar

Step-by-step explanation:

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