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Anarel [89]
2 years ago
12

You are in a bike race. When you get to the first checkpoint, you are $\frac{2}{5}$

Mathematics
1 answer:
Black_prince [1.1K]2 years ago
6 0

Answer:

The distance from the star to the second checkpoint is 4 miles

Step-by-step explanation:

The complete question in the attached figure

we know that

When you get to the second checkpoint, you are 1/4 of the distance to the finish

so

The distance from the star to the second checkpoint is equal to the total distance multiplied by 1/4

The total distance is 40 miles ( see the attached figure)

so

The distance from the star to the second checkpoint is

\frac{1}{4}(40)=10\ miles

<em>Find out the distance from the start to the first checkpoint</em>

Multiply the distance from the star to the second checkpoint by 2/5

\frac{2}{5}(10)=4\ miles

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Answer:

a) -2t²+12t+15    b) 25, 31   c) 26

Step-by-step explanation:

a) To find out rate, we will take derivative of the given equation

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dN/dt= -2(1)²+12(1)+15

dN/dt=25

At 10 am, it will  2 hrs since the start of morining shift be so t=2

dN/dt=-2(2)²+12(2)+15

DN/dt= 31

c) N(2)-N(1)= (-(2)³+6(2)²+15(2))-(-(1)³+6(1)²+15(1))

                =(46)-(20))

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4 0
1 year ago
Leona purchased a $1,000 bond having a quoted price of 99.875. She had to pay a 5.5% brokerage fee (of the selling price). What
Zina [86]

Answer:

The total cost of the bond is none of the given choices.

Step-by-step explanation:

The selling price of a $1000 bond  =   $99.875

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So, the brokerage fee = $5.493

Now, to find out the total cost of the bond:

Total Cost  = The selling Price + Brokerage Price

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or, the total price of the $1000 bond is $ 105.368.

Hence,  the total cost of the bond is none of the given choices.

7 0
1 year ago
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Yuliya22 [10]

Answer:

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1 year ago
A square has a perimeter of 12x + 52 units. Which expression represents the side length of the square in units?
Xelga [282]

Answer:

Option (3) is correct.

side length of square is (3x + 13 ) units.

Step-by-step explanation:

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Comparing both sides,

4 × side = 12 x +  52

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3 0
2 years ago
Read 2 more answers
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Answer:

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Please mark brainliest if this helped.

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