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3 years ago

White as an algebraic expression: the sum of 3 and the product of p and 7

Mathematics

1 answer:

liberstina [14]3 years ago

5 0

Answer:

The answer is 3 + p × 7.....

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Any help with this greatly appreciated.

Anestetic [448]

Put the equation in standard linear form.

$x'(t) + \dfrac{x(t)}{t + 5} = 5e^{5t}$

Find the integrating factor.

$\mu = \exp\left(\displaystyle \int \frac{dt}{t+5}\right) = e^{\ln|t+5|} = t+5$

Multiply both sides by $\mu$ .

$(t+5) x'(t) + x(t) = 5(t+5)e^{5t}$

Now the left side the derivative of a product,

$\bigg((t+5) x(t)\bigg)' = 5(t+5)e^{5t}$

Integrate both sides.

$(t+5) x(t) = \displaystyle 5 \int (t+5) e^{5t} \, dt$

On the right side, integrate by parts.

$(t+5) x(t) = \dfrac15 (5t+24) e^{5t} + C$

Solve for $x(t)$ .

$\boxed{x(t) = \dfrac{5t+24}{5t+25} e^{5t} + \dfrac C{t+5}}$

3 0

2 years ago

Determine whether the following sampling is dependent or independent. Indicate whether the response variable is qualitative or q

Margarita [4]

Answer:1. Dependent

2.Qualitative Variable

Step-by-step explanation:

Step 1--- Dependent

Reason-- The researcher considers a couple as a whole and The sampling is dependent because a spouce selected for one sample dictates or determines which individual to be in the second sample.

Step 2----Qualitative variable

Reason--- it classifies the individual spouce mental health based on mental health inventory of the couple

Because Qualitative variables are variables which can be placed according to characteristic or attribute, here the characteristics is mental health.

7 0

3 years ago

Read 2 more answers

Which statement can you use to conclude that RSTW is a parallelogram

Romashka [77]

It is answer choice a

3 0

3 years ago

A captain is twice as old as his ship was when he was as old as his ship is now.

klio [65]

37 & the ship is 18.......

7 0

3 years ago

write an equation in slope intercept form of the line with a slope- 2 and y intercept 3. Graph the line

charle [14.2K]

Answer:

y = -2x + 3

Step-by-step explanation:

Step 1: Find out what each part of slope intercept form is

Slope Intercept Form: y = mx + b

m is the slope

b is the y-intercept

Step 2: Plug in the information into the formula

m/slope = -2

b/y-int = 3

y = -2x + 3

Answer: y = -2x + 3

4 0

3 years ago