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2 years ago

16 multiplied by the quotient of a number n and 19.

Mathematics

1 answer:

qwelly [4]2 years ago

6 0

A)16(n/19) because what it is saying is 16 times n divided by 19

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Can i please get some help here its math

LiRa [457]

X is 9

12x + 17 = -1 + 14x
18 = 2x
x = 9

7 0

2 years ago

Read 2 more answers

Find dy du , du dx , and dy dx .

dangina [55]

Answer:

a) $\frac{dy}{du}=5(x^2 +1)^4$ , $\frac{du}{dx}=2x$ , $\frac{dy}{dx}=10x(x^2+1)^4$

b) $\frac{dy}{du}=4(4x^2-x+6)^3$ , $\frac{du}{dx}=8x-1$ , $\frac{dy}{dx}=4(8x-1)(4x^2-2+6)^3$

Step-by-step explanation:

We can use the chain rule in the following form: is u=u(x) is a differentiable function depending on x and y=y(u) is a differentiable function depending on u, then $\frac{dy}{dx}=\frac{dy}{du} \frac{du}{dx}$ .

a) $\frac{dy}{du}=\frac{d}{du} (u^5)=5u^4=5(x^2 +1)^4$ from the power rule.

$\frac{du}{dx}=\frac{d}{dx} (x^2 +1)=2x$ .

From the previous parts and the chain rule, $\frac{dy}{dx}=\frac{dy}{du} \frac{du}{dx}=5(x^2 +1)^4(2x)=10x(x^2+1)^4$

b) $\frac{dy}{du}=\frac{d}{du} (u^4)=4u^3=4(4x^2-x+6)^3$

$\frac{du}{dx}=\frac{d}{dx} (4x^2-x+6)=8x-1$ from the power and sum rules.

Then, $\frac{dy}{dx}=\frac{dy}{du} \frac{du}{dx}=4(4x^2 -x+6)^3(8x-1)=4(8x-1)(4x^2-x+6)^3$

8 0

3 years ago

One angle of a rhombus measures 108°, and the shorter diagonal is 9 inches long. Approximately how long is the side of the rhomb

vfiekz [6]

Answer:

8 inches

Step-by-step explanation:

A rhombus is a four sides quadrilateral with the four sides equal in length

A rhombus has 4 equal sides and the diagonal bisect at right angles

Adjacent sides = 9/2 = 4.5

we are to determine the value of the hypotenuse given the adjacent side and angle (108/2) = 54

Cos 54 = adjacent / hypotenuse

0.58778 = 4.5 / hypotenuse

hypotenuse = 4.5 / 0.58778

=7.6559

= 8 inches

3 0

2 years ago

Suppose you start with a full tank of gas (14 gallons) in your truck. After driving 4 hours, you now have 4 gallons left.

laiz [17]

Answer:

4=m4-1

Step-by-step explanation:

This is because you're using gas so you're slope of the equation will have to be negative. If correct please mark brainliest. thx

3 0

3 years ago

Which table represents a linear function?<br><br><br> Plz answer quickly!!! Thank you! :)

Luda [366]

Answer:

The first one

Step-by-step explanation:

You can see the pattern

4 0

2 years ago