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3 years ago

Ms. Wall will roll a single number cubes. What is the probability that she will roll an even number?

1 answer:

4 0

Well single number, meaning from 1 - 9. She has a higher chance of getting an odd number for sure, as there are more odd numbers on the dice :) So, the ratio is 4:5 and fraction: 4/5. %<span>44.444 is your answer :)

Thank you,
Darian D.</span>

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Find the length of STV in the figure.

o-na [289]

Answer: The length of STV is about 76.83 in.

Step-by-step explanation:

The length of an arc is given by :-

$l=\frac{\theta}{360^{\circ}}\times2\pi r$ , where r= radius of the cirle, $\theta$ is the central angke made by arc.

As per given , Radius of the circle : r= 20 in

Central angle of arc SCV = $140^{\circ}$

Then, Central angle of arc SCV = $360^{\circ}-140^{\circ}=220^{\circ}$

Then, the length of the arc STV =

$l=\frac{220^{\circ}}{360^{\circ}}\times2(\frac{22}{7}) (20)\\\\=\frac{11}{18}\times\frac{880}{7}\\\\=76.8253968254\approx76.83\text{ in.}$

Hence, the length of STV is about 76.83 in.

5 0

3 years ago

Find the equation of the line that is perpendicular to y = 1/4 x – 2 and passes though the point (5, –2).

zlopas [31]

$\textsf{Let y = ax + b the line we want to find.}$

$\textsf{We know that the slope of y = ax + b is the inverse of the slope of } \mathsf{ y = \frac{1}{4}x - 2.}$

$\textsf{Thus:}$

$\mathsf{a = \dfrac{1}{\frac{1}{4}} = 4}$

$\textsf{As y = 4x + b passes thought (5, -2):}$

$\mathsf{-2 = 4 \cdot 5 + b \Rightarrow 20 + b = -2 \Rightarrow b = -22}$

$\textsf{Hence the line y = 4x - 22 is perpendicular to }\mathsf{y=\frac{1}{4}x - 2}\textsf{ and passes for the point (5, -2).}$

6 0

3 years ago

Read 2 more answers

Using the given points and line, determine the slope of the line.

nekit [7.7K]

M = y2-y1 / x2-x1
= 2-1 / 1-2
= 1 / -1
= -1

7 0

3 years ago

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In an airplane 35% of the passengers are children they’re 140 children on the airplane how many passengers are on the airplane

Angelina_Jolie [31]

Answer:

there are 49 passengers

Step-by-step explanation: 35%=0.35

0.35*140= 49

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3 years ago

For the data shown in the scatter plot, which is the best estimate of r?

STALIN [3.7K]

Answer:

1 ,.

Step--step explanation:

knj,

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3 years ago