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lbvjy [14]
3 years ago
14

Using a table of values, determine the solution to the equation below to the nearest fourth of a unit. -x - 5 = -2 (-x) +2

Mathematics
1 answer:
S_A_V [24]3 years ago
3 0

Answer:

-2.333

Step-by-step explanation:

-x -5 = -2 (-x) +2

-x-5 = 2x +2

-5-2 = 2x +x

-7 =3x

-7/3=3x/3

-2.333=x

:•x=-2.333

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a shopkeeper bought two watches for rs 400.he sold them to gain 5% profit on one and another at 5% loss on other.calculate his f
jekas [21]

Answer:

0.25 % loss.

Step-by-step explanation:

Let the cost of 1 watch be  rs x then the cost of the other is rs 400 - x.

Let the sp be rs y.

So we have:

y = x + 0.05x

y = (400 - x) - 0.05(400 - x)

y =  400 - x - 20 + 0.05x

y = 380 - 0.95x

So  x + 0.05x = 380 - 0.95x

2x = 380

x = 190.

and y = 190 + 0.05*190 = 199.5.

So the total selling price = 2 * 199.5 = rs 399

So final loss is [ (400-399)/ 400] * 100

= 0.25 %.

8 0
3 years ago
A model of a famous statue is 1 and one fourth inches tall. The actual statue is 6 and two thirds feet tall. What is the ratio o
Studentka2010 [4]
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5 0
3 years ago
Can someone help me with this?
melamori03 [73]

<u>240 cm</u>³

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6 0
2 years ago
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The steps to solving the expression the quantity of the sum of three squared plus four divided by the absolute value of negative
bearhunter [10]

Answer:

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7 0
1 year ago
Write a quadratic equation in standard form.
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Answer:

  1.  x^2 +2x -24 = 0

  2.  x^2 -7x +10 = 0

Step-by-step explanation:

If you look at the factored and expanded forms of a quadratic with solutions p and q, you see ...

  (x -p)(x -q) = x^2 -(p+q) +pq

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The constant is the product of solutions.

This knowledge lets you write down the standard form equation with no particular effort.

1.  x^2 +2x -24 = 0

2.  x^2 -7x +10 = 0

5 0
2 years ago
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