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Basile [38]
3 years ago
7

What does -4(3x-4)=44 What is x

Mathematics
1 answer:
eduard3 years ago
6 0

Answer:

-7/3

Step-by-step explanation:

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The longest side of the triangle section is 4 feet shorter than twice the shortest side. The third side is 3 feet longer than th
Katarina [22]
<h3>Answers:</h3><h3>The shortest side is 15 ft</h3><h3>The middle side is 18 ft</h3><h3>The longest side is 26 ft</h3>

===========================================

Define the three sides to be a,b,c such that a < b < c

So c is the longest side, and 'a' is the shortest with b in the middle.

"longest side is 4 ft shorter than twice the shortest side" means that c = 2a-4

"third side is 3 ft longer than the shortest side" so b = a+3

Both b and c are in terms of 'a', allowing us to do substitutions like so

a+b+c = perimeter

a+b+c = 59

a+(a+3)+c = 59 .... first substitution, plug in b = a+3

a+(a+3)+(2a-4) = 59 ... second substitution, plug in c = 2a-4

4a-1 = 59 .... combine like terms

4a = 59+1 ... add 1 to both sides

4a = 60

a = 60/4 ... divide both sides by 4

a = 15

The shortest side is 15 ft

b = a+3 = 15+3 = 18

The middle side is 18 ft

c = 2a-4 = 2*15-4 = 26

The longest side is 26 ft

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

Check:

The three sides should add up to a perimeter of 59 ft

a+b+c = 15+18+26 = 59

so the answer is confirmed

6 0
3 years ago
Read 2 more answers
Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).
AVprozaik [17]

Answer:

458435464546484845kdnh

7 0
3 years ago
Read 2 more answers
Help me thank you if you can help
Rasek [7]

2. Put a sideways half line on the circle
1.Put a sideways full line on the circle
3.

7 0
4 years ago
Solve for X please!!!!!!!!!!!!! I need this answer ASAP<br><br> 2x + 1/3x = 21
Trava [24]
<h2>x = 9</h2><h3 />

<u>We know:</u>

  • we can add/subtract the same expression to both sides of the equation to get an equivalent equation;
  • we can multiply/divide both sides of the equation by the same non-zero number to get the equivalent equation.

<u>Equivalent equations</u> are algebraic equations that have identical solutions.

We have the equation:

2x+\dfrac{1}{3}x=21

<h3>SOLUTION:</h3>

<em>multiply bot sides by 3</em>

<em />3\cdot2x+3\!\!\!\!\diagup\cdot\dfrac{1}{3\!\!\!\!\diagup}x=3\cdot21\\\\6x+x=63\\\\7x=63

<em>divide both sides by 7</em>

<em />\dfrac{7\!\!\!\!\diagup x }{7\!\!\!\!\diagup}=\dfrac{63}{7}\\\\\boxed{x=9}

6 0
1 year ago
Read 2 more answers
4) James Madison was born on March
gladu [14]

Answer:

166 years older.

Step-by-step explanation: Subtract 1751 from 1917

4 0
3 years ago
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