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2 years ago

5

Newton Street and Oakland Avenue intersect. If the diagonal distance across the intersection is 17 meters and Newton Street is 1

5 meters wide, how wide is Oakland Avenue?

1 answer:

Margarita [4]2 years ago

8 0

The Oakland Avenue is approximately what the time you think is it now though you have 120 days to

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Explain why f(x) = x^2+4x+3/x^2-x-2 is not continuous at x = -1.

liberstina [14]

Answer:

The value of x = -1 makes the denominator of the function equal to zero. That is why this value is not included in the domain of f(x)

Step-by-step explanation:

We have the following expression

$f(x) = \frac{x^2+4x+3}{x^2-x-2}$

Since the division between zero is not defined then the function f(x) can not include the values of x that make the denominator of the function zero.

Now we search that values of x make 0 the denominator factoring the polynomial $x^2-x-2$

We need two numbers that when adding them get as a result -1 and when multiplying those numbers, obtain -2 as a result.

These numbers are -2 and 1

Then the factors are:

$(x-2) (x + 1)$

We do the same with the numerator

$x^2+4x+3$

We need two numbers that when adding them get as a result 4 and when multiplying those numbers, obtain 3 as a result.

These numbers are 3 and 1

Then the factors are:

$(x+3)(x + 1)$

Therefore

$f(x) = \frac{(x+3)(x+1)}{(x-2)(x+1)}$

Note that $\frac{(x+1)}{(x+1)}=1$ only if $x \neq -1$

So since $x = -1$ is not included in the domain the function has a discontinuity in $x = -1$

3 0

3 years ago

A bag contains 1 yellow ball and 9 red balls . A ball is chosen at random from the bag . what is the best answer for the probabi

Strike441 [17]

Your answer is unlikely. That would be a 1 out of 10 chance.

6 0

3 years ago

The product of two consecutive integers is 342. What quadratic equation can be used to find x, the grater number?

IceJOKER [234]

X (X - 1) = 342
x² - x = 342
x² - x - 342 = 0

X = 19

5 0

3 years ago

Total Number of Fish in Tank

ikadub [295]

Answer:

Look it up. it will help you work it out. hope this helped.

Step-by-step explanation:

8 0

3 years ago

Can yall help me figure out what 1/3+3/9

devlian [24]

Answer:

6/9 = 2/3

Step-by-step explanation:

1/3 = 3/9

3/9 = 3/9

3/9 + 3/9= 6/9 = 2/3

7 0

3 years ago

Read 2 more answers