Change each mixed number or whole number to an improper fraction.

Mathematics

2 answers:

irina [24]3 years ago

8 0

Answer:

5) 19/4

7) 49/5

Step-by-step explanation:

marishachu [46]3 years ago

6 0

Answer: For question 5 the answer would be $\frac{19}{4}$

Question 7 would be $\frac{49}{5}$

Step-by-step explanation: 5 would have this answer if you multiply 4 by 4 which is 16 then add 3 which is 19. 7 is 9 multiplied by 5 which is 45 and then add 4 which is 49

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What is the rate of heat transfer required to melt 1-ton of ice at 32 F in 24 hours?

LiRa [457]

Answer:

3865.74 J/s

Step-by-step explanation:

mass of ice, m = 1 ton = 1000 kg

time , t = 24 hours

latent heat of fusion of ice, L = 334000 J/kg

Heat required to melt, H = m x L

where, m is the mass of ice and L be the latent heat of fusion

So, H = 1000 x 334000 = 334 xx 10^6 J

Rate of heat transfer = heat / time = $\frac{334\times 10^{6}}{86400}$

Rate of heat transfer = 3865.74 J/s

thus, the rate of heat transfer is 3865.74 J/s.

8 0

3 years ago

The equation a=1/2(b^1+b^2)h can be determined the area, a, of a trapezoid with height, h, and base lengths, b^1 and b^2 Which a

Evgesh-ka [11]

The complete question is as follows.

The equation a = $\frac{1}{2}(b_1 + b_2 )h$ can be used to determine the area , a, of a trapezoid with height , h, and base lengths, $b_1$ and $b_2$ . Which are equivalent equations?