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FrozenT [24]
3 years ago
6

A survey was conducted with x students. 30% of those surveyed said that they have traveled out of the country. Of the students w

ho have never been out of the country, 40 students want to eventually travel to another country. Write an algebraic expression that represents the students who never want to travel to another country.
Mathematics
1 answer:
mart [117]3 years ago
3 0
T=x
t=30%x
n=70%x
w=40%n
=40%(70%x)
w=28%x
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What is the probability that a phone number generated using the digits 1, 2, 2, 4, 5, 5, 6, and 2 is the number 654-5222
pochemuha

Answer:

336 ways

Step-by-step explanation:

The digits are 1, 2, 2, 4, 5, 5, 6, and 2 that is total eight digits.

The number 654-5222 contains 7 digits.

So, we have find The number of permutations for choosing 7 digits from 8 digits given above.

This can be done in following ways

\frac{8!}{3!\times2!} = \frac{40320}{6\times2}

= 336 ways

7 0
3 years ago
A central angle of a circle measures 1.5 radians. If the radius of the circle is 3 cm, what is the area of the related sector?
soldi70 [24.7K]

Answer:

Option B. 6.75\ cm^{2}

Step-by-step explanation:

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=3\ cm

substitute

A=\pi (3^{2})=9 \pi\ cm^{2}

Remember that

2\pi radians subtends the complete circle of area 9 \pi\ cm^{2}

so

by proportion

Find the area of the related sector for a central angle of 1.5 radians

Let

x------> the area of the related sector

\frac{9 \pi}{2\pi}\frac{cm^{2}}{radians} =\frac{x}{1.5}\frac{cm^{2}}{radians}\\ \\x=9*1.5/2\\ \\x= 6.75\ cm^{2}

7 0
3 years ago
HELP PLEASE 9TH GRADE MATH
Neko [114]

Answer:

B

Step-by-step explanation:

Perpendicular lines have a reciprocal slope with the opposite sign. The y-intercept does not matter

5 0
4 years ago
Can someone explain the steps to solve this so I can graph it?<br> y = 2x + 3?
kaheart [24]
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m is the slope 
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Step 1: Plot the y intercept (0,3)
Step 2: Trace slope from yintercept ... go 2 place up them 1 place right you should end up on the point (5,1)
Step 3: Draw a line through the two points
4 0
3 years ago
THERE IS A ANSWER CALLED 'C' BUT it's NOT IN THE IMAGE HELP
larisa [96]

The correct answer I would think would be C but I would try A because B does no have a proportion of 3/4.

4 0
3 years ago
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