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LUCKY_DIMON [66]
3 years ago
12

WILL MARK BRANLIEST AND GIVE 75 POINTS!!!!

Mathematics
2 answers:
madam [21]3 years ago
7 0

Answer:

Burning of wood. Melting of ice is a physical change because the water can be frozen back into ice. you cannot un-burn wood. Hope that made sense.

Step-by-step explanation:

Contact [7]3 years ago
7 0

Answer:

B

Step-by-step explanation:

Burning of wood is a chemical change as we cannot reverse the process to get back the firewood.

As it burns the wood slowly disappears giving out heat and light until only a little ash is left behind.

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Please answer CORRECTLY for brainliest guarantee. If your answer is not correct or does not have a explanation I will report you
Scorpion4ik [409]

Answer:

c. 45.34ft

Step-by-step explanation:

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4 0
3 years ago
A recipe for making 12 cupcakes
Igoryamba

Answer:

16 cups of flour

Step-by-step explanation:

6 0
2 years ago
Simplify the trigonometric expression sin(4x) +2 sin(2x) using Double-Angle<br> Identities.
emmasim [6.3K]

Answer:

8sin(x)cos³(x)

Step-by-step explanation:

sin(4x) +2 sin(2x)  = 2sin(2x)*cos(2x) + 2sin(2x) = 2sin(2x)(cos2x + 1)=

= 2sin(2x)(cos²x - sin²x + cos²x + sin²x)=²2sin(2x)*(2cos²x)=

= 4*2sin(x)*cos(x)*cos²(x)= 8sin(x)cos³(x)

6 0
3 years ago
No referencial está representado o círculo trigonométrico e um ponto A, resultante da intersecção da circunferência como lado ex
Anna35 [415]

Answer:

??

Step-by-step explanation:

8 0
3 years ago
Can someone please help me with my homework maths please. thanks ​
mario62 [17]

Answer:

35 blocks are given to the class

Step-by-step explanation:

she has 19 pounds which she divides into 1/2 pounds

19/1/2

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35 blocks

4 0
3 years ago
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