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elena-s [515]
3 years ago
15

We can find an unknown angle in a triangle by applying the fact that total interior

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

true

Step-by-step explanation:

i think its true because its true

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Is the function continuous at x = -17
Pavlova-9 [17]

For a function to be continuous at an x-value, say -17, you need to make sure two things line up:

The limit from the left equals the limit from the right.

     \lim_{x \to -17^{-}} f(x) =  \lim_{x \to -17^{+}} f(x)

This limit equals the functions value.

    \lim_{x \to -17} f(x) = f(-17)

The left hand limit involves the first piece, f(x) = 20x + 1:

    \begin{aligned} \lim_{x \to -17^{-}} f(x) &=  \lim_{x \to -17^{-}} (20x+1)\\[0.5em]&=   20(-17)+1\\[0.5em]&=   -339\endaligned}

The right hand limit invovles the second piece, f(x) = -10x^2:

    \begin{aligned} \lim_{x \to -17^{+}} f(x) &=  \lim_{x \to -17^{+}} (-10x^2)\\[0.5em]&=   -10\cdot (-17)^2\\[0.5em]&=   -2890\endaligned}

Since the two one-sided limits don't match, the function is not continuous at x=-17.

3 0
3 years ago
There is a bag filled with 3 blue and 4 red marbles.
Tasya [4]

Answer:

here

Step-by-step explanation:

The probability of getting 1 red is 4/7. The probability of getting 2 reds in a row is (4/7)^2 = 16/49.

4 0
3 years ago
The math department is putting together an order for new calculators. The student are asked what model and color they prefer
kenny6666 [7]

Answer:

The second option

Step-by-step explanation:

Please find attached the complete question in the attached image

the proportion of students that like the silver calculator is 0.4 while the proportion of students that like the black calculator is 0.6. More students like the black calculator

the proportion of students that prefer the black model 77 calculator is 0.3 while the proportion of students that prefer the silver model 55 is 0.25. More students prefer the black model 77 calculator

the proportion of students that prefer the model 66 calculator is 0.15 while the proportion of students that prefer the model 55 calculator is 0.35. More students prefer the model 55

the fewest student prefer the silver model 66 calculator because it has the lowest proportion

8 0
2 years ago
Una ciudad se encuentra 17 km al oeste y 8 km al norte de otra ¿cual es la distancia lineal entre las dos ciudades?
Liula [17]

Answer:

Could you put this in english so that i'm able to answer..?

Step-by-step explanation:

6 0
3 years ago
The members of a cooking club are making cakes, which they will sell at a street fair for $8 apiece. It cost $30 for a booth at
Olin [163]

They need to sell 5 pieces to cover their expenditures (have a profit of zero).

<h3>How many cakes will they have sold?</h3>

We know that the costs are:

  • $30 for the booth at the fair.
  • $2 for each piece of cake they sell.

And the revenue is:

  • $8 for each piece of cake.

So, the profit (the difference between the revenue and the cost) for selling x pieces is:

p(x) = $8*x - $2*x - $30

p(x) = $6*x - $30

We want to find the value of x such that p(x) = 0, then:

0 =  $6*x - $30

x = $30/$6 = 5

They need to sell 5 pieces to cover their expenditures (have a profit of zero).

If you want to learn more about profit:

brainly.com/question/23103804

#SPJ1

5 0
2 years ago
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