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3 years ago

Anyone that can help me with this?

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

4 0

If a rational function is not continuous, it'll be due to one of two reasons. Either it has a hole, or it has an asymptote. Plug in -5 for x in the denominator of the rational function. What do you get? You get zero in the denominator, meaning the function is undefined at x=-5.

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Using like terms simplify-k+2(-2k-5)

MrRa [10]

Answer:

-5k-10

Step-by-step explanation:

- k + 2 (- 2k - 5) = - k - 4k - 10 = - 5k - 10

5 0

3 years ago

You flip a coin, spin the spinner, and flip a coin again. Find the probability of flipping heads, spinning an even number, and t

NNADVOKAT [17]

Answer:

1/10

Step-by-step explanation:

P heads,even,heads = P heads * P even *P heads =

1/2 * 2/5* 1/2 = 1*2*1/2*5*2= 1/10

7 0

3 years ago

Find x and round to the nearest tenth:)

Thepotemich [5.8K]

Answer:

x = 31.8°

Step-by-step explanation:

Applying the Law of Sines, we have:

$\frac{sin(x)}{12} = \frac{sin(75)}{22}$

Multiply both sides by 12

$\frac{sin(x)}{12} \times 12 = \frac{sin(75)}{22} \times 12$

$sin(x) = \frac{sin(75) \times 12}{22}$

$sin(x) = 0.5269$

$x = sin^{-1}(0.5269)$

x = 31.8° (nearest tenth)

8 0

3 years ago

A rectangle has two pairs of sides of equal length.Explain how you can find the unknown length of two sides when the length of o

kow [346]

Multiply 4x2 since the opposite side is the same length, and then subtract the answer (8) from the perimeter (14 units) and you’ll get 6. and then divide 6 into 2 since there is 2 more congruent sides, and you will get 3.

4 0

3 years ago

Write the slope-intercept form of the equation of the line.

Semenov [28]

Answer:

y = x + 2

Step-by-step explanation:

First, find the slope.

(y2 - y1 / x2 - x1)

I'm going to use (0,-2) and (2,0) as my points.

Find the slope.

(-2) - 0 / 0 - 2= -2 / -2 = 1

So the slope is 1.

Now find the y-intercept.

Y-intercept is 2.

Now substitute it into the slope-intercept form equation. (y = mx + b)

y = x + 2

8 0

3 years ago