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2 years ago

What would be the distance traveled if you traveled 48 mph for 6 1/2 hours

Mathematics

2 answers:

nordsb [41]2 years ago

7 0

Answer: 312

Step-by-step explanation:

48 * 6= 288

Half of 48 is 24

24+ 288= 312

vichka [17]2 years ago

5 0

Answer:

312 m

Step-by-step explanation:

Speed = distance/time

6½ = 13/2

48 = distance ÷ (13/2)

Distance = 48 × 13/2

= 312

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Name a number that has the same absolute value as 23

IRINA_888 [86]

Answer: A number with the same absolute value of 23 is -23.

Explanation: The absolute value of a number is how far it is from zero, and the absolute value of a number is always positive, unless the number is 0, in which case the absolute value is neutral, and the absolute value is 0.

Examples: 6 is 6 away from zero, so the absolute value of 6 is 6.

−6 is 6 away from zero, so the absolute value of −6 is 6.

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2 years ago

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Choose the equations in which w = 100 makes the equation true.

Ugo [173]

Answer is A
Hope it helps

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2 years ago

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2/5 of 1 meter=____cm<br> Plz help thx

Crazy boy [7]

Answer:

40 cm

Explanation:

2/5 = 0.4

1 meter = 100 cm

so,

100 x 0.4= 40 cm

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2 years ago

A detective finds a victim of murder at 9 am. At that time, the temperature of the body is 90.3 degrees F. One hour later, the b

LekaFEV [45]

Answer:

Step-by-step explanation:

Given

at 9 am temperature of the body is $90.3^{\circ}F$

1 hr later temperature $89^{\circ}F$

Temperature of room $T=68^{\circ}F$

According to newtons law

$\frac{\mathrm{d} T}{\mathrm{d} t}=-k\left ( T-T_{room}\right )$

$\frac{\mathrm{d} T}{\mathrm{d} t}=-k\left ( T-68\right )$

$\frac{dT}{T-68}=-kdt$

Integrating

$=\int \frac{dT}{T-68}=-kdt$

$\ln |T-68|=-kt+c$

$T-68=Ae^{-kt}$

Now at 9 am i.e. t=0,

$90.3=A+68$

$A=22.3$

At 10 am i.e. t=1 hr T=89

$89-68=22.3e^{-k}$

$e^{-k}=21$

$k=0.06006$

Temperature of Normal human body is $T=98.6 ^{\circ}F$

$98.6-68=e^{-0.06006t}$

$30.6=e^{-0.06006t}$

Taking log both sides

$t=-5.27$

i.e. 5 hr and 16.2 min

i.e. victim murdered at 3 am and 43.8 min

7 0

3 years ago

If I am 86 in 2067, what year was I born in?

joja [24]

You do 2067 - 86 = 1981 :)

8 0

3 years ago