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kolezko [41]
3 years ago
11

4x + x - 3-9 + 4x = 6 ??​

Mathematics
1 answer:
Nookie1986 [14]3 years ago
8 0

Answer:

x=2

Step-by-step explanation:

-------------------------

Given:

4x+x-3-9+4x=6

---------->>>>

Combine like terms.

9x-12=6

---------->>>>

Add 12 to both sides.

9x=18

---------->>>>

Divide both sides by 9.

x=2

-------------------------

Hope this is helpful.

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WILL GIVE BRAINLIEST! PLEASE HELP ASAP!
aleksandr82 [10.1K]

Answer:

11

Step-by-step explanation:

Evaluate using

PEMDAS

First we do what is inside of the Parenthesis 12 - 9 = 3

Now we have 2 + 3²

Next is Exponents 3² = 9

Now we have 2 + 9

there is no multiplication or division needed so we go straight to addition

9 + 2 = 11

So we can conclude that the answer is 11

4 0
3 years ago
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A horizontal trough is 16 m long, and its end are isosceles trapezoids with an altitude of 4 m, a lower base of 4 m, and an uppe
Ganezh [65]

Answer:

0.28cm/min

Step-by-step explanation:

Given the horizontal trough whose ends are isosceles trapezoid  

Volume of the Trough =Base Area X Height

=Area of the Trapezoid X Height of the Trough (H)

The length of the base of the trough is constant but as water leaves the trough, the length of the top of the trough at any height h is 4+2x (See the Diagram)

The Volume of water in the trough at any time

Volume=\frac{1}{2} (b_{1}+4+2x)h X H

Volume=\frac{1}{2} (4+4+2x)h X 16

=8h(8+2x)

V=64h+16hx

We are not given a value for x, however we can express x in terms of h from Figure 3 using Similar Triangles

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Substituting x=h/4 into the Volume, V

V=64h+16h(\frac{h}{4})

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h=3m,

dV/dt=25cm/min=0.25 m/min

0.25= (64+8*3) \frac{dh}{dt}\\0.25=88\frac{dh}{dt}\\\frac{dh}{dt}=\frac{0.25}{88}

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4 years ago
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melamori03 [73]

Answer:

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Step-by-step explanation:

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3 years ago
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A large container holds 5 gallons of water. It begins leaking at a constant rate. After 20 minutes, the container has 3 gallons
jeka57 [31]

The container will take 25 minutes to go from full to empty.

Explanation:

In 15 minutes, the container has lost 3 gallons of water (

5

−

2

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3

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