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trapecia [35]
2 years ago
12

-19+3x-11+2x=2 What the answer

Mathematics
2 answers:
Vladimir [108]2 years ago
8 0

Answer:

Step-by-step explanation:

x = 32/5

Decimal Form:

x = 6.4

Mixed Number Form:

x = 6 2\5

Law Incorporation [45]2 years ago
4 0

Answer:

x=6.4

Step-by-step explanation:

-19+3x-11+2x

=(3x+2x)-(11+19)

=5x-30

so

5x-30=2

5x=32

x=32/5

To make this easy I'll multiply the fraction by 2

x=64/10

x=6.4

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Which relationship is always true for the angles r, x, y, and z of triangle ABC?
mariarad [96]

That's the second one,


180 - x = r


Whenever two lines cross we get congruent opposite angles and supplemental adjacent angles, i.e. they add to 180 degrees.


The first one is almost right; we have r+y+z=180 and r+x=180 so x=y+z not quite what was written.


3 0
3 years ago
Divide 33 photos into two groups so the ratio is 4 to 7
Artist 52 [7]
33 photos in a 4x to 7x ratio

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33 photos can be put in a 4(3) to 7(3) ratio

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5 0
3 years ago
Water pours into a tank at the rate of 2000 cm3/min. The tank is cylindrical with radius 2 meters. How fast is the height of wat
Gennadij [26K]

Volume of water in the tank:

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Differentiate both sides with respect to time <em>t</em> :

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<em>V</em> changes at a rate of 2000 cc/min (cubic cm per minute); use this to solve for d<em>h</em>/d<em>t</em> :

2000\dfrac{\mathrm{cm}^3}{\rm min}=\pi(40,000\,\mathrm{cm}^2)\dfrac{\mathrm dh}{\mathrm dt}

\dfrac{\mathrm dh}{\mathrm dt}=\dfrac{2000}{40,000\pi}\dfrac{\rm cm}{\rm min}=\dfrac1{20\pi}\dfrac{\rm cm}{\rm min}

(The question asks how the height changes at the exact moment the height is 50 cm, but this info is a red herring because the rate of change is constant.)

7 0
3 years ago
Use elimination to solve the system of equations. <br> x+y=−3 <br> 2x−3y=29
attashe74 [19]

Answer:

(4,-7)

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which two expressions are equivalent? B. A 4(2 + x) 4.2 +2.x 4 + 2 + x (4 + 2) + X D. C. 4. X + 2 4. (x + 2) 4 = (2-x) 4- 2 = X​
Nesterboy [21]
I think it’s B because it’s in the right for mate
4 0
3 years ago
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