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krek1111 [17]
3 years ago
12

City R has a temperature of -2 degrees. City S has a temperature of -6 degrees. Write an inequality to compare the temperatures

of the two cities.

Mathematics
1 answer:
elena-s [515]3 years ago
3 0

Answer:

  -2 > -6  . . .   or  . . .  R > S

Step-by-step explanation:

If you plot the temperatures of the two cities on a number line, you see that the temperature for City R is plotted to the right of the temperature for City S. This means the temperature of City S is less than that of City R.

If your inequality relates cities:

  S < R   or   R > S

If your inequality relates temperatures:

  -6 < -2   or   -2 > -6

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A survey company asks all respondents for demographic information. There are 8 age and 7 income groups, 5 gender choices, and 6
IgorC [24]

Answer:

3361 people should poll so it's inevitable that at least three people in the sample have identical demographic information.

Step-by-step explanation:

Consider the provided information.

There are 8 age and 7 income groups, 5 gender choices, and 6 choices for ethnicity.

For age we have 8 choices.

For Income groups we have 7 choices.

For gender groups we have 5 choices.

For ethnicity we have 5 choices.

Therefore, the total number of groups is: 8×7×5×6=1680

That means 1680 distinct group.

According to Pigeons holes principal: If m pigeons are in n holes and m > n, then at least 2 pigeons are in the  same hole.

So to select at least 2 people in the sample have identical demographic information 1681 people needs to poll.

In order to at least 3 people (2 × 1680+1) people should need to poll.

2 × 1680 + 1 = 3361

Hence, 3361 people should poll so it's inevitable that at least three people in the sample have identical demographic information.

6 0
3 years ago
Is 4:7 8:15 16:28 2:3 20:35 eqivalent to each other
igor_vitrenko [27]

4:7 16:28 20:35


Hope this helps. :)

5 0
3 years ago
A chef plans to mix 100% vinegar with Italian dressing, The Italian dressing contains 8% Vinegar,
kolezko [41]

Answer:

  • 15 mL of 100% vinegar
  • 45 mL of Italian dressing

Step-by-step explanation:

Let v represent the amount of 100% vinegar to be included in the mixture. Then the amount of vinegar in the overall mixture is ...

  1.00v + 0.08(60 -v) = 0.31(60)

  0.92v = 60(0.23) . . . . . . . collect terms, subtract .08(60)

  v = 60(0.23/0.92) = 15 . . . mL of vinegar

  60 -v = 45 . . . mL of dressing

15 mL of vinegar and 45 mL of Italian dressing should be used.

3 0
3 years ago
Find the equation of a line that is parallel to line g that contains (P, Q).
Fofino [41]

Correct option:

\boxed{x-y=P-Q}

<h2>Explanation:</h2>

Given that the line we are looking for is parallel to g, then the slope of that line and g is the same, therefore:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}} \\ \\ (x_{1},y_{1})=(-3,2) \\ \\ (x_{2},y_{2})=(0,5) \\ \\ \\ m=\frac{5-2}{0-(-3)}=1

So we can write the point-slope form of the equation of the line as follows:

y-y_{0}=m(x-x_{0}) \\ \\ (x_{0},y_{0})=(P,Q) \\ \\ \\ y-Q=1(x-P) \\ \\ y-Q=x-P \\ \\ \\ Arranging: \\ \\ P-Q=x-y \\ \\ \boxed{x-y=P-Q}

<h2>Learn more:</h2>

Graphying systems of linear equations: brainly.com/question/13799715

#LearnWithBrainly

8 0
3 years ago
Read 2 more answers
8 yards is equal less or greater than 20 feet
vazorg [7]

it is greater than because when you multiply 8 by 3 you get 24

and you get the 3 because 3 feet make 1 yard.

3 0
3 years ago
Read 2 more answers
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