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konstantin123 [22]

3 years ago

6

13 out of 27 sixth-grade students said they prefer Powerade to Gatorade. What percent voted for Powerade? What percent voted for

Gatorade?

1 answer:

e-lub [12.9K]3 years ago

3 0

Powerade : 48.1481 %
Gatorade : 51.8519 %

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If 2(y + 10) = 18, find the value of 1/2y

Masja [62]

Answer:

y = -1 ?

Step-by-step explanation:

y+10= 18/2

y+10=9

y=9-10

y=-1

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dalvyx [7]

The answer would be 24 pints

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kirill115 [55]

Answer:

3 units right 1 unit up

Step-by-step explanation:

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2 years ago

If a cup of coffee has temperature 97Â°C in a room where the ambient air temperature is 25Â°C, then, according to Newton's Law o

FinnZ [79.3K]

Answer:

The average temperature is $T_{a} = 81.95^oC$

Step-by-step explanation:

From the question we are told that

The temperature of the coffee after time t is $T(t) = 25 + 72 e^{[-\frac{t}{45} ]}$

Now the average temperature during the first 22 minutes i.e fro $0 \to 22$ minutes is mathematically evaluated as

$T_{a} = \frac{1}{22-0} \int\limits^{22}_{0} {25 +72 e^{[-\frac{t}{45} ]}} \, dx$

$T_{a} = \frac{1}{22} [25 t + 72 [\frac{e^{[-\frac{t}{45} ]}}{-\frac{1}{45} } ] ] \left| 22} \atop {0}} \right.$

$T_{a} = \frac{1}{22} [25 t - 3240e^{[-\frac{t}{45} ]} ] \left | 45} \atop {{0}} \right.$

$T_{a} = \frac{1}{22} [25 (22) - 3240e^{[-\frac{22}{45} ]} - (- 3240e^{0} )]$

$T_{a} = \frac{1}{22} [550 - 1987.12 + 3240]$

$T_{a} = 81.95^oC$

8 0

3 years ago

WHICH EXPRESSION HAS THE SAME VALUE AS 8-(-4)?

s344n2d4d5 [400]

8 - (-4) [2 negatives become a positive]

8 + 4 = 12

A.) - 8 + 4 = -4

B.) -8 + (-4) = -12

C.) 8 + (-4) = 4

D.) 4 - (-8) = 4 + 8 = 12

Your answer is D

8 0

3 years ago

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