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alexgriva [62]
4 years ago
12

Solve inequality -5-3x>2(x+2)+3

Mathematics
2 answers:
Ede4ka [16]4 years ago
6 0
X>12/7 combine like terms first then solve 
myrzilka [38]4 years ago
3 0
-5-3x=2(x+2) +3
-5-3x=2x+4+3
-5-3x=2x+7
-3x-2x=7+5
-5x=12
X=-12/5
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Range is the y-values.


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7 0
3 years ago
Which ordered pair in the form (a, b) is a solution of this equation?
olga_2 [115]
C - (7,0) because 3x7= 21 add 4x0 = 0 which then equals 21 :)
3 0
4 years ago
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The ph of vinegar is 2.9 and the ph of milk is 6.6. How many times greater is the hydrogren ion concentration of vinegar than of
shutvik [7]

Answer:

D

Step-by-step explanation:

H+ is the hydrogen ion concentration.

This problem requires the use of solving log equation.

PH of vinegar is 2.9, lets find the number of hydrogen ions in it by using the equation:

PH=-Log[H^{+}]\\2.9=-Log[H^+]\\-2.9=Log_{10}[H^+]

Note: Log is normally base 10 if not specified

Now, to solve, we use exponential to log conversion formula shown below:

Log_{z}x=b\\z^b=x

Now lets solve:

-2.9=Log_{10}[H^+]\\H^+=10^{-2.9}\\H^+=0.001259

Now, the PH of milk is 6.6, so we follow same procedure and find the number of hydrogen ion in milk. Shown below:

PH=-Log[H^{+}]\\6.6=-Log[H^+]\\-6.6=Log_{10}[H^+]\\H^+=10^{-6.6}\\H^+=0.0000002512

So, to find how many times it is greater, we divide first answer we found by the second answer:

\frac{10^{-2.9}}{10^{-6.6}}\\=5011

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3 0
3 years ago
In one month, ansley runs 15 times as many miles as zack runs. altogether, they run 192 miles. how many miles does ansley run in
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5 0
3 years ago
Find the hypotenuse for the following ​
masya89 [10]

Answer:

6.403 units

or \sqrt{41}

Step-by-step explanation:

We want the hypotenuse.

The hypotenuse is from the point (-3, -1) to point  (2, 3)

D( (-3, -1), (2, 3)) = root ( (2 - (-3))^2 + (3 - -1)^2 ) =

D( (-3, -1), (2, 3)) = root ( 5^2 + 4^2)  =  root( 25 + 16)

D( (-3, -1), (2, 3)) = root ( 41)

D( (-3, -1), (2, 3)) = 6.403 units

6 0
4 years ago
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