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1 year ago

11

Given that d is the midpoint of line segment ab and k is the midpoint of line segment bc, which statement must be true? (May giv

e brainliest)

1 answer:

slega [8]1 year ago

3 0

Answer:

B is the midpoint of line segment AC

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We would like to know the velocity of the block when it reaches some position x. Finding this requires an integration. However,

Slav-nsk [51]

Answer:

An alternative definition for the acceleration ax that can be written in terms of $v_x$ and $\frac{dv_x}{dx}$ is $a_x=v_x \frac{dv_x}{dx}$

Step-by-step explanation:

We know that :

$a_x=\frac{dv_x}{dt}$

Now we are supposed to find an alternative definition for the acceleration ax that can be written in terms of $v_x$ and $\frac{dv_x}{dx}$

So, We will use chain rule over here :

$a_x=\frac{dv_x}{dt}\\a_x=\frac{dv_x}{dt} \times \frac{dx}{dx}\\a_x=\frac{dv_x}{dx} \times \frac{dx}{dt}\\a_x=\frac{dv_x}{dx} \times \frac{dx}{dt} [\frac{dx}{dt}=v_x]\\a_x=\frac{dv_x}{dx} \times v_x\\a_x=v_x\frac{dv_x}{dx}$

Hence an alternative definition for the acceleration ax that can be written in terms of $v_x$ and $\frac{dv_x}{dx}$ is $a_x=v_x \frac{dv_x}{dx}$

4 0

2 years ago

A manufacturer is designing a flashlight. For the flashlight to emit a focused beam, the bulb needs to be on the central axis of

aalyn [17]

From the problem, the vertex = (0, 0) and the focus = (0, 3)
From the attached graphic, the equation can be expressed as:
(x -h)^2 = 4p (y -k)
where (h, k) are the (x, y) values of the vertex (0, 0)
The "p" value is the difference between the "y" value of the focus and the "y" value of the vertex.
p = 3 -0
p = 3
So, we form the equation
(x -0)^2 = 4 * 3 (y -0)
x^2 = 12y
To put this in proper quadratic equation form, we divide both sides by 12
y = x^2 / 12

Source:
http://www.1728.org/quadr4.htm

5 0

2 years ago

−15x+4≤109 OR −6x+70>−2

Xelga [282]

$-15x+4\leq109\qquad\text{subtract 4 from both sides}\\\\-15x\leq105\qquad\text{change the signs}\\\\15x\geq-105\qquad\text{divide both sides by 15}\\\\\boxed{x\geq-7}\\or\\-6x+70>-2\qquad\text{subtract 70 from both sides}\\\\-6x>-72\qquad\text{change the signs}\\\\6x$

3 0

2 years ago

Read 2 more answers

Charlie bought a pair of shorts at the store when they were having a 45% off sale. If the regular price of the pair of shorts wa

spayn [35]

Answer:

$13.20

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Celia bought a bag of 121212 goldfish for \$3$3dollar sign, 3.

muminat

Celia bought a bag of 12 goldfish for $3, Cost of 1 goldfish is $0.25 .

<u>Step-by-step explanation:</u>

The goldfish is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is one of the most commonly kept aquarium fish. A relatively small member of the carp family, the goldfish is native to East Asia.

Here we have , Celia bought a bag of 12 goldfish for $3 . We need to find the cost of 1 goldfish . Let's find out:

Celia have a bag of 12 goldfish which cost her $3 . So , cost of 1 goldfish is equivalent to

⇒ $(1)\frac{12}{3}$

⇒ $(1)\frac{3(4)}{3}$

⇒ $\frac{1}{4}$

⇒ $0.25$

Therefore, Celia bought a bag of 12 goldfish for $3 , Cost of 1 goldfish is $0.25 .

5 0

2 years ago