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3 years ago

13

Can someone please help me with this!! I will award brainliest and 15 points for best answer!!

1 answer:

vekshin13 years ago

6 0

By using Nathan's expression, Mitchel should have received 2 1/4 pounds of lemon drops. By using Darren's expression, Mitchel should have received 2 1/4 pounds of lemon drops. The difference in the amount of lemon drops Mitchel should have received using Nathan's expression instead of Darren's expression is 0 pounds.

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The Sears Tower, at 1,451 feet, is one of the tallest structures in the United States. A penny is thrown from the top of the tow

padilas [110]

Answer:

The equation for the height of the penny in function of time is:

$h(t)=1451-16t^2$

After 7 seconds, the penny will be at a height of 667 feet.

Step-by-step explanation:

The penny will have a free fall.

The initial velocity is zero, and the initial height is h(0)=1,451.

The acceleration will be the gravity, that has a value g=32 ft/s^2.

Then, we can model this starting by the speed:

$dv/dt=-g\\\\v(t)=v_0-gt=-gt$

Then, the height becomes:

$dh/dt=v(t)=-gt\\\\h(t)=h_0-\dfrac{gt^2}{2}=1451-\dfrac{32}{2}t^2\\\\\\h(t)=1451-16t^2$

The approximate height of the penny after 7 seconds can be calculated as:

$h(7)=1451-16(7^2)=1451-16*49=1451-784=667$

After 7 seconds, the penny will be at a height of 667 feet.

6 0

3 years ago

1) if side C of a right triangle is 12 and side B of a right triangle is 8 what does side A equal

GarryVolchara [31]

The answer is 4 square root 5 or -4 square root 5

3 0

3 years ago

What is my answer if I Add <br> -9+84+(-2)

S_A_V [24]

Answer:

73

Step-by-step explanation:

-9+84+(-2) =

-9+82 =

= 73

Hope this helps

6 0

3 years ago

P=2L+2W for W <br> Solve equation for the stated variable

Mandarinka [93]

W=-L+P/2
subtract L to the other side and then diving everything by 2 to get W by itself

7 0

3 years ago

A friend rewrite the expression 5(x+2) as 5x+2. Write few sentances to your friend explaining the error. Then rewrite the expres

n200080 [17]

5(x+2) turns into 5x+10 where 5x+2 is already in its simplified form so to write it as 5x+2 instead would make you get the wrong answer.

3 0

4 years ago