3 years ago

Based on the graph, which statement BEST describes what is happening to the temperature over time?( picture 1 )

Mathematics

1 answer:

kotykmax [81]3 years ago

5 0

Number 1 is A, number 2 is B number three is D

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Express the ratio 16:9 as a ratio to 1.

never [62]

Answer:

(16/9):1

Step-by-step explanation:

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3 years ago

10m3 of air weigh 13 kg. Chapter Reference c How much does the air weigh in a room 4.2m long, 3.5m wide, and 2.6m high?

Zarrin [17]

Answer:

The air weight in a room is 49.69 kg.

Step-by-step explanation:

It is given that the room is 4.2m long, 3.5m wide, and 2.6m high. It is also given that 10 m³ of air weigh 13 kg.

The formula to find the volume of cuboid is,

$V=l\times b\times h$

$V=4.2\times 3.5\times 2.6$

$V=38.22$

The volume of room is 38.22 m³.

Since it is given that, 10 m³ of air weigh 13 kg. So,

$1 m^3=\frac{13}{10}kg$

$1 m^3=1.3kg$

So the air weight in the room is,

$\text{Air weight}=1.3\times 38.22$

$\text{Air weight}=49.686\approx 49.69$

Therefore the air weight in a room is 49.69 kg.

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3 years ago

Nathan is 5 years older than dan. if the total of their ages is 19, how old is dan?

aleksandr82 [10.1K]

19-5=14 -5 =9 Dan is 9

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3 years ago

(02.03)Which statement is true about the result of a rigid transformation?

oksian1 [2.3K]

Answer:

the preimage will be congruent to the image

Step-by-step explanation:

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3 years ago

Which of the following is equivalent to 3(x+2)?

kodGreya [7K]

Answer:

None.

Step-by-step explanation:

Because 3(x+2)=3x+6.

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4 years ago