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2 years ago

PLEASE HELP????!!!!?!!!!!!1

Mathematics

1 answer:

anzhelika [568]2 years ago

3 0

Answer:

Solve the resulting equation for x

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Eitan randomly selected volcanoes to travel to and study. After traveling, he had seen 13 cinder cone volcanoes, 18 shield volca

snow_lady [41]

Answer: Probability of getting one volcano in the world on which to conduct an extensive study is $\frac{1}{37}$

Step-by-step explanation:

Since we have given that

Number of cinder cone volcanoes = 13

Number of shield volcanoes = 18

Number of stratovolcanoes = 6

Total number of volcanoes is given by

$13+18+6\\\\=37$

So, Probability of selecting one volcano in the world on which to conduct an extensive study is given by

$\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}\\\\=\frac{1}{37}$

Hence, Probability of getting one volcano in the world on which to conduct an extensive study is $\frac{1}{37}$

6 0

3 years ago

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Use the diagram to find the value of x?<br> 147 32 33 150

Westkost [7]

What is the diagram?

5 0

4 years ago

A ball is thrown into the air. The path it takes is modeled by the equation: -3t+24t = h, where t is the time in seconds and h i

astra-53 [7]

Given:

The given equation is:

$-3t^2+24t=h$

Where, t is the time in seconds and h is the height of the ball above the ground, measured in feet.

To find:

The inequality to model when the height of the ball is at least 36 feet above the ground. Then find time taken by ball to reach at or above 36 feet.

Solution:

We have,

$-3t^2+24t=h$

The height of the ball is at least 36 feet above the ground. It means $h\geq 36$ .

$-3t^2+24t\geq 36$

$-3t^2+24t-36\geq 0$

$-3(t^2-8t+12)\geq 0$

Splitting the middle term, we get

$-3(t^2-6t-2t+12)\geq 0$

$-3(t(t-6)-2(t-6))\geq 0$

$-3(t-2)(t-6)\geq 0$

The critical points are:

$-3(t-2)(t-6)=0$

$t=2,6$

These two points divide the number line in 3 intervals $(-\infty,2),(2,6),(6,\infty)$ .

Intervals Check point $-3(t-2)(t-6)\geq 0$ Result

$(-\infty,2)$ 0 $(-)(-)(-)=(-)$ False

$(2,6)$ 4 $(-)(+)(-)=+>0$ True

$(6,\infty)$ 8 $(-)(+)(+)=(-)$ False

The inequality is true for (2,6) and the sign of inequality is $\geq$ . So, the ball is above 36 feet between 2 to 6 seconds.

$6-2=4$

Therefore, the required inequality is $-3t^2+24t\geq 36$ and the ball is 36 feet above for 4 seconds.

3 0

3 years ago

Look at the picture for the question ........................

valkas [14]

Answer:

53/28

Step-by-step explanation:

100 g jam

19 g strawberries
53 g blackberries
Sugar= 100-(19+53)= 28 g

Blackberry / sugar= 53/28

6 0

3 years ago

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12 and 3000 as decimals full equation

ICE Princess25 [194]

Answer:

12=0.12x100

3000=0.3x10000

3 0

2 years ago