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2 years ago

PLEASE HELP ME ON MATH ASAP

Mathematics

2 answers:

Alchen [17]2 years ago

6 0

cause then 12-6=6

You do parenthesis first and get six, then you subtract

alukav5142 [94]2 years ago

5 0

Answer:

B i think

Step-by-step explanation:

Sorry if wrong

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Add 5x+4y;3x-7y;-4x+8y

viktelen [127]

The answer is 4x + 5y.

Here, what needs to be done is to combine like terms.

5x + 4y + 3x - 7y - 4x + 8y
5x + 3x - 4x + 4y + 8y - 7y
4x + 5y

4 0

1 year ago

The pattern 2, 5, 17, ________, ________ follows the rule multiply by 4, then subtract 3. What are the next two terms?

vitfil [10]

Answer:

None of the answer choices.

Step-by-step explanation:

The pattern to this problem is multiply by 4, and subtract 3. However when doing 17 * 4, you get 68. Look how both of the answer chouces start with 68, and we haven't even subtracted 3 yet. This shows that the answer choices are wrong.

<u>Correct Answer: 65, 257</u>

8 0

2 years ago

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A vertical cylinder is leaking water at a rate of 4m3/sec. If the cylinder has a height of 10m and a radius of 2m, at what rate

Lyrx [107]

Answer:

Therefore the rate change of height is $\frac{1}{\pi}$ m/s.

Step-by-step explanation:

Given that a vertical cylinder is leaking water at rate of 4 m³/s.

It means the rate change of volume is 4 m³/s.

$\frac{dV}{dt}=4 \ m^3/s$

The radius of the cylinder remains constant with respect to time, but the height of the water label changes with respect to time.

The height of the cylinder be h(say).

The volume of a cylinder is $V=\pi r^2 h$

$=( \pi \times 2^2\times h)\ m^3$

$\therefore V= 4\pi h$

Differentiating with respect to t.

$\frac{dV}{dt}=4\pi \frac{dh}{dt}$

Putting the value $\frac{dV}{dt}$

$\Rightarrow 4\pi \frac{dh}{dt}=4$

$\Rightarrow \frac{dh}{dt}=\frac{4}{4\pi}$

$\Rightarrow \frac{dh}{dt}=\frac{1}{\pi}$

The rate change of height does not depend on the height.

Therefore the rate change of height is $\frac{1}{\pi}$ m/s.

3 0

2 years ago

*Please help, will thank and award brainliest*

babunello [35]

B attorney and notary fees
for apex!!

5 0

3 years ago

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Please answer this for me

castortr0y [4]

Answer:

The correct answer would be 2

3 0

11 months ago

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