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3 years ago

A grown man will burn roughly 120 calories for each mile run. How many calories will be burnt when a grown man runs 6.5 miles

Mathematics

1 answer:

WARRIOR [948]3 years ago

8 0

Answer is 780 calories

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#1. Joseph wants to find the side length of a square that has an area of 150

adell [148]

Answer:

The answer is irrational

Step-by-step explanation:

we know that

The area of a square is given by the formula

$A=b^2$

where

b is the length side of the square

In this problem we have

$A=150\ ft^2$

substitute in the formula

$b^2=150$

take the square root both sides

$b=\sqrt{150}\ ft\\$

simplify

$b=5\sqrt{6}\ ft$

Remember that

A Rational Number is a number that can be made by dividing two integers

The length side is not a integer

therefore

The answer is irrational

8 0

3 years ago

The number of bacteria in a refrigerated food product is given by N ( T ) = 27 T 2 − 180 T + 100 N(T)=27T2-180T+100, 7 < T &l

NeX [460]

Answer:

$N(T(t))=432t^2-374.4t-118.88$

The number of Bactria after 5.8 hours is 12242.

Step-by-step explanation:

The number of bacteria in a refrigerated food product is given by

$N(T)=27T^2-180T+100$

where, T is the temperature of the food.

When the food is removed from the refrigerator, then the temperature is given by

$T(t)=4t+1.6$

We need to find the composite function N(T(t)).

$N(T(t))=N(4t+1.6)$

$N(T(t))=27(4t+1.6)^2-180(4t+1.6)+100$

$N(T(t))=432t^2+345.6t+69.12-720t-288+100$

$N(T(t))=432t^2-374.4t-118.88$

where N(T(t)) is the number of bacteria after t hours.

Substitute t=5.8 in the above function.

$N(T(5.8))=432(5.8)^2-374.4(5.8)-118.88$

$N(T(5.8))=14532.48-2290.4$

$N(T(5.8))=12242.08$

$N(T(5.8))\approx 12242$

Therefore, the number of Bactria after 5.8 hours is 12242.

7 0

3 years ago

If two lines are skew lines, then they are noncoplanar. True or false

Anika [276]

Answer:

Two lines that both lie in the same plane must either cross each other or be parallel, so skew lines can exist only in three or more dimensions. Two lines are skew if and only if they are not coplanar.

Step-by-step explanation:

7 0

3 years ago

Find the value of x in The parallelogram.

aksik [14]

Answer:

122 degrees

Step-by-step explanation:

A parallelogram has 360 degrees in total

360 - (58 + 58) = 244

244/2 = 122

I hope this helped you!

3 0

2 years ago

Read 2 more answers

What is the answer for 4[8-(8)]+1

ivann1987 [24]

Answer:1

Step-by-step explanation:

7 0

3 years ago