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3 years ago

Solve for answer (14x-5) (19x-13)

1 answer:

6 0

Multiply the parentheses, then you’ll get:
14Xx9X-14Xx3-5x19X-5x(-3)
Then you’ll multiply 14 & 19
Then multiply 14 & 3
Then 5 & 19
Then 5 & 3
And it should be set up like this
266X2-42X-95x+15
(^the X2 should be squared)
Then after that you collect like terms
You add 42 and 95 together and bring everything else down and your ANSWER should be:
266X2-137X+15
(Remember the X after 266 has to be squared )

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7. The measures of the angles in a triangle are in the extended ratio of 3:4:5. Find the

Mashcka [7]

Answer:

Below.

Step-by-step explanation:

Angle 1 = (3/(3+4+5) * 180 = 3/12 * 180

= 45 degrees.

Angle 2 = 4/12 * 180 = 60 degrees.

Angle 3 = 5/12 * 180 = 75 degrees.

6 0

3 years ago

A single-server waiting line system has an arrival pattern characterized by a Poisson distribution with 3 customers per hour. Th

sweet-ann [11.9K]

Answer:

18 minutes

Step-by-step explanation:

Given that:

The arrival time = 3 customers / hour

The avg. service rate (s) = 12 minutes per customer

To hour, we have:

$s = \dfrac{60}{12}$

s = 5 customers/ hour

Thus, the required average time for a customer needs to wait in line is:

$= \dfrac{3}{5}\times (5-3) hours \\ \\ = \dfrac{3}{5}\times 2 \\ \\ = \dfrac{3}{10} \ hours$

To minutes;

$= 3 \times \dfrac{60}{10} \ minutes$

= 18 minutes

3 0

3 years ago

Determine the radius of convergence of the following power series. Then test the endpoints to determine the interval of converge

tresset_1 [31]

Answer:

Radius of the convergence is R = $\frac{1}{21}$

and,

The Interval of convergence is $-\frac{1}{21}$

Step-by-step explanation:

Given function : Σ(21x)^k

Now,

Using the ratio test, we have

R = $\lim_{n \to \infty} |\frac{21x^{k+1}}{21x^{k}}|$

R = $\lim_{n \to \infty} |\frac{21x^{k}\times21x^{1}}{21x^{k}}|$

R = $\lim_{n \to \infty} |21x^{1}|$

now,

for convergence R|x| < 1

Therefore,

$\lim_{n \to \infty} |21x^{1}|$ < 1

$-\frac{1}{21}$

and,

Radius of the convergence is R = $\frac{1}{21}$

and,

The Interval of convergence is $-\frac{1}{21}$

8 0

3 years ago

I need help please help

Rufina [12.5K]

A. pat x-10 is a negative

6 0

3 years ago

The surface area S , of a right rectangular prism with length l , width w ,and height h can be found using the formula below

Yakvenalex [24]

First, replace all variables with the given values.
12(9) + 9(2) + 2(12)
This should then equal 150, then the formula says to multiply this answer by 2. Doing so, should give a final answer of 300.

3 0

3 years ago