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loris [4]
3 years ago
14

5n+2 (11-7n)=12+4 (n-4)

Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0
Does that make sense?
-Lucystudies

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Use the diagram to answer the questions.
emmasim [6.3K]

Answer:

Line m is not parallel to Line n.

Line m is perpendicular to Line k

Step-by-step explanation:

1. Calculate slopes of n and m. N = -2 and M = -7/4. The two slopes aren't the same thus they are not parallel

2. Slope of m = -7/4 and k = 4/7. By definition of perpendicular these two fit the description. (to be perpendicular, k = -1/m

3 0
3 years ago
0.19 as a fraction is simpilest form
Yakvenalex [24]
0 = 0/1
<span>0.2 = </span>1/5
<span>0.1875 = </span>3/16
<span>0.19047619047619047 = </span>4/21
<span>0.189873417721519 = </span>15/79
<span>0.19 = </span>19/<span>100</span>
6 0
4 years ago
Read 2 more answers
A tank pumps out liquid at a rate of 12 gallons every 20 days. What is the unit rate in gallons per week?
pashok25 [27]

Answer:

4.2

Step-by-step explanation:

simplify 12 and 20 to 6 and 10 then divide 6 by 10 and multiply by 7 to get the answer.

8 0
3 years ago
Which expression is equivalent to 7^3⋅ 7^-5 as a fraction
Tatiana [17]

When you multiply a base with an exponent by a base with an exponent, you add the exponents together. (But you can only combine the exponents when the bases are the same)

For example:

x^3(x^1)=x^{(3+1)}=x^4      (they have the same base of x)

y^3(x^2)=y^3x^2     (you can't combine the exponents because they have different bases of y and x)

2^2(2^1)=2^{(2+1)}=2^3=8

When you have a negative exponent, you move the base with the negative exponent to the other side of the fraction to make the exponent positive.

For example:

x^{-3} or \frac{x^{-3}}{1} =\frac{1}{x^3}

\frac{1}{y^{-2}} =\frac{y^2}{1} or  y^{2}

7^3*7^{-5}      Add the exponents together

7^{(3+(-5))}

7^{-2}     Make the exponent positive

\frac{1}{7^2}       Simplify

\frac{1}{49}

5 0
4 years ago
What is the solution to the equation 3√x+4+3/2x+8 = 0?<br> Ox=-12<br> Ox= -4<br> x = 4<br> O x = 12
raketka [301]

Answer:

-4

Step-by-step explanation:

8 0
2 years ago
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