You spin the spinner below once what is the probability that the arrow will land on 3

Answers

Answer 1

Answer: I saw the spinner. It has 8 numbers from 1 to 8.

probability that the arrow will land on 3.

1, 2, 3, 4, 5, 6, 7, 8

P(A) = the number of ways event A can occur
the total number of possible outcomes

P(3) = 1/8

There is only 1 number 3 out of 8 possible outcomes.

Answer 2

Answer:

Answer:

0.125

Step-by-step explanation:

1/8 as a decimal is 0.125. I think this is the answer but I am not 100% positive.

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Can someone please help me with this, marking brainliest and giving 15 points!The distance traveled of a coin dropped from a tall building is modeled by the equation d(t) = 4.9t2 where d equals the distance traveled at time t seconds and t equals the time in seconds. What does the average rate of change of d(t) from t = 3 to t = 6 represent? (2 points)The coin falls down with an average speed of 132.3 meters per second from 3 seconds to 6 seconds.The coin falls down with an average speed of 44.1 meters per second from 3 seconds to 6 seconds.The coin travels an average distance of 132.3 meters from 3 seconds to 6 seconds.The coin travels an average distance of 44.1 meters from 3 seconds to 6 seconds.

A light-year is the distance that light travels in a year and is equivalent to 946,100,000,000,000,000 cm.Enter this distance in scientific notation.
In scientific notation, this distance is
?x10

Answers

Answer:

9.461 × 10^17

Step-by-step explanation:

946,100,000,000,000,000 is 9.461x10^17

Discriminant to determine the nature of the roots of x2 + 2x + 5 = 0. a) No real roots
b) One real root
c) Two distinct real roots

Answers

discrimant = b^2 - 4ac = 2^2 - (4 x 1 x 5) = 4 - 20 = -16
Therefore, there is no real roots.

Need help please
-3x + 5x -2 > 8x - 7 -9x

Answers

$-3x + 5x -2 \geq 8x - 7 -9x\n 3x\geq-5\n x\geq-(5)/(3)$

Gomez found the masses of three rocks for a science project. The first rock had a mass of 19.28 grams the second rock had a mass of 25.3 grams and the third rock had a mass of 46.3 grams. How much greater was the mass of the third rock than the combiend mass of the other two rocks.

Answers

Answer:

1.72 grams.

Step-by-step explanation:

We have been given that Gomez found the masses of three rocks for a science project. The first rock had a mass of 19.28 grams the second rock had a mass of 25.3 grams and the third rock had a mass of 46.3 grams.

First of all, we will add the masses of 1st and 2nd rock to find the combined mass of both rocks.

$\text{Combined mass of 1st and 2nd rock}=\text{19.28 g+25.3 g}$

$\text{Combined mass of 1st and 2nd rock}=\text{44.58 g}$

Now we will subtract the combined mass of both rocks from the mass of 3rd rock.

$\text{Difference of mass }=\text{46.3 g}-\text{44.58 g}$

$\text{Difference of mass }=\text{1.72 g}$

Therefore, the mass of the 3rd rock is 1.72 grams greater than the combined mass of the other two rocks.

1.72 because rocks 1 and 2 add up to 44.58 46.3-44.58=1.72

What is the range of 22,44,66,88

Answers

the range is 66 u subtract 88 to 22

The larger leg of a right triangle is 3cm longer than its smaller leg. The hypotenuse is 6cm longer than the smaller leg. how many centimeters long is the smaller leg please explain how you got it

Answers

$b=a+3\n c=a+6\n a^2+b^2=c^2\n\n a^2+(a+3)^2=(a+6)^2\n a^2+a^2+6a+9=a^2+12a+36\n a^2-6a-27=0\n a^2-9a+3a-27=0\n a(a-9)+3(a-9)=0\n (a+3)(a-9)=0\n a=-3 \vee a=9\n$

The length can't be negative, so the answer is 9 cm.

Let the smaller leg be x.

Thus, larger leg = 3 +x
Thus, hypotenuse = 6 + x

Applying pythagoras theorum ;

$(6+x)^2 = x^2 + (3+x)^2 \n \n or, 6^2 + 12x + x^2 = 3^2 + 6x + x^2 \n \n i.e., 36 + 12x = 9 + 6x \n \n =>6x = 45 \n \n => x = 9$

Thus, the length of smaller peg is 9 cm.

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