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solniwko [45]
3 years ago
11

Solve for x. (7x+4)+(8x-4)

Mathematics
1 answer:
Iteru [2.4K]3 years ago
7 0

Answer:

x=15

Step-by-step explanation:

thats what i got

Hope this helps!

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Why is the quotient of three divided by one-fifth different from the quotient of one-fifth divided by three?
aksik [14]
We write the expressions first mathematically:
 three divided by one-fifth:
 (3) / (1/5)
 one-fifth divided by three:
 (1/5) / (3)
 We now use the double c method to find the results:
 (3) / (1/5) = (3 * 5) / (1 * 1) = 15/1 = 15
 (1/5) / (3) = (1 * 1) / (5 * 3) = 1/15 = 0.066666667
 The difference between the two is:
 15-0.066666667 = 14.93333333
 Answer 
 They are different because they are inverse expressions.
7 0
2 years ago
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3 years ago
(-13xy+2y)+(2x-5xy-15y)
Arturiano [62]

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3 0
2 years ago
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What polygon is formed when 2 equilateral triangles that are congruent and share a side
zalisa [80]

You form a rhombus.

Draw an equilateral triangle, and then mirror it around its base. All the sides are clearly equal, because they are all sides of the same equilateral triangle.

Moreover, the top and bottom angle are 60°, because they are angles of an equilateral triangle, while the left and right angles are 120, because they're 60+60 angles.

7 0
3 years ago
What is f(3) for the function f(x)=5x+6​
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Step-by-step explanation:

function is the answer.

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