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konstantin123 [22]
3 years ago
13

Consider the quadratic function f(x)=2x2−8x+1.

Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

is in the picture above

Step-by-step explanation:

Hope it helps

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a driver is below the surface of the water at - 15m. he dives down by 6m, then rises 4m where is he now​
nevsk [136]

Given:

A driver is below the surface of the water at - 15m. he dives down by 6m, then rises 4m.

To find:

The current location of the driver.

Solution:

In this problem, negative sign is used for downward direction or the distance below the surface of the water.

Initial location = -15 m

Dives down by 6m, it means - 6m,  then rises 4m, it means 4 m.

Now, the current location is

-15 m-6m+4m

=-21m+4m

=-17m

Therefore, the correct location of the driver is at -17 m it means her is 17 m  below the surface of the water.

6 0
3 years ago
2•2 divided by 2+2-2=
dsp73
The answer would be 2.
7 0
3 years ago
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fred has a bad containing 2 red, 8 blue, 5 green, and 10 white marbles that are all the same size and shape. what is the probabi
Pepsi [2]

Answer:

50%

Step-by-step explanation:

There are a total of 20 marbles.

10/20 equal 50%

5 0
3 years ago
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The animal department wants to estimate baboon population. So they paint 50 baboons with a mark. These baboons were then release
Svet_ta [14]

Answer:

  600 baboons

Step-by-step explanation:

Half the number of marked baboons showed up in the sample, so we expect the sample size to be about half of the total population. 300 is half of 600.

___

Many assumptions are involved in such an experiment and analysis. Not the least of which are the assumptions that the marked baboons end up evenly distributed through the population, and that the sample is a fair sample of the entire population.

3 0
3 years ago
The radius of the Moon is 1700 km, and the radius of the Earth is 6350 km. A scale model of the Earth and the Moon is made. In t
Reil [10]

Answer:

1) 12.7 cm

2) 8580.24 cm³

Step-by-step explanation:

given,

Radius of moon(Rm) = 1700 Km              Radius of Earth(Re) = 6350 km

Model radius of Moon(Mm) = 3.4 cm        

2) Volume of earth model =\dfrac{(R_e)^3}{(R_m)^3}\times \dfrac{4}{3}\pi (M_m)^3

                                       = \dfrac{(6350)^3}{(1700)^3}\times \dfrac{4}{3}\pi (3.4)^3

                                       = 8580.24 cm³

1) radius of earth = \dfrac{R_e}{R_m}\times M_m

                        =  \dfrac{6350}{1700}\times 3.4

                        = 12.7 cm

3 0
3 years ago
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