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4 years ago

7

a carpenter has a board that has 8ft long. he cuts off two pieces. one piece is 3 wholes and 1 half long. and the other one is 2

and 1 third . how much of the board is left

1 answer:

gladu [14]4 years ago

5 0

If you subtract them all

8ft-3 1/2-2 1/3 you will get the answer of 2 1/6

so the answer would be 2 and one-sixth

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t hits the square dartboard shown below at a random point. Find the probability that the dart lands in the shaded circular regio

masha68 [24]

Given:

Required:

To find the probability that the dart land will be in the shaded region.

Explanation:

Area of the circle is given by the formula:

$A=\pi r^2$

Where r = radius

Thus the area of the circular region

$\begin{gathered} =(3.14)\times(2)^2 \\ =3.14\times4 \\ =12.56\text{ square in.} \end{gathered}$

The area of the square is given by the formula:

$=(side)^2$

Thus the area of the given square

$\begin{gathered} =(6)^2 \\ =36\text{ square in.} \end{gathered}$

The probability of an event is given by the formula:

$P=\frac{number\text{ of possible outcomes}}{Total\text{ number of outcomes}}$

The probability that the dart land will be in the shaded region

$=\frac{Area\text{ of the shaded region}}{Area\text{ of the square}}$

Thus probability

$\begin{gathered} P=\frac{12.56}{36} \\ P=0.3488 \\ P=0.349 \end{gathered}$

Final answer:

Thus the probability that the dart land will be in the shaded region is 0.349.

6 0

1 year ago

1. - x + 5y =-23 4x – y=16

Tpy6a [65]

Answer:

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:(4,0)

Equation form:x=4 , y=0

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3 years ago

Mark has been watching 16 movies per month for the past x months. Max has been trying to keep up with his pace but has only been

hodyreva [135]

It’s 6 because mark has 16 right and max read half of mark’s book so max has 8 because 8x2 =16 so I added 16 + 8 = 24 and 24x 6 = 144

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