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FromTheMoon [43]
3 years ago
14

Three more than the quotient of a number and 4 is equal to 8

Mathematics
1 answer:
inn [45]3 years ago
6 0
3+ x/4=8


................

..
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A red kangaroo jumps along at 40 km/h. At this rate how long would it take to jump 2 km?
LenKa [72]

 

The solution would be like this for this specific problem:

Given:  40 km/h

2 km

t = d / v
t = 2 km / 40 km/h
t = 0.05 h * 60 minutes = 3 minutes

 

<span>At this rate, it would take 3 minutes for the red kangaroo to jump 2 km.</span>
7 0
3 years ago
Find the probability of rolling a 2 or a 5 on a standard dice. *
romanna [79]
The probability of a 2 or a 5 is 50%
3 0
3 years ago
Find the area of the regular pentagon.
IceJOKER [234]

Answer: 172.05

Hope this helps

5 0
3 years ago
Jacob and Ali want to run from one corner of a football field to the opposite corner. The rectangular football field is 50 yards
svet-max [94.6K]

Answer:

Jacob ran 40 yards more than Ali.

Step-by-step explanation:

Football field is in the shape of a rectangle having dimensions 120 yards × 50 yards

Since Jacob runs around the perimeter of the field from one corner to other corner, therefore, distance run by Jacob = (\text{Length+width})

Distance run by Jacob = 50 + 120 = 170 yards

Ali runs through the middle of the field diagonally on a straight line.

Therefore, distance covered by Ali = \sqrt{\text{length}^{2}+\text{width}^{2}}

= \sqrt{(50)^{2}+(120)^{2}}

= \sqrt{2500+14400}

= \sqrt{16900}

= 130 yards

Now difference between the distance covered by Jacob and Ali

= 170 - 130

= 40 yards

Therefore, Jacob ran 40 yards more than Ali.

7 0
3 years ago
Plz help me, thank you
Kruka [31]

Answer:

P=40(1.03526)^{t}

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

P=P_o(1+r)^{t}

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The initial number of bacteria is Po=40 and it doubles (P=2Po) at t=20 min. With that point we can find the value of r:

2P_o=P_o(1+r)^{20}

Simplifying:

(1+r)^{20}=2

Solving for 1+r:

1+r=\sqrt[20]{2}

1+r=1.03526

The exponential function that models the situation is:

\mathbf{P=40(1.03526)^{t}}

4 0
3 years ago
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