The cost of gasoline is expected to increase by 2.5% next year. If p represents the current cost of gasoline, which experession

represents the expected gasoline price next year?

Mathematics

1 answer:

____ [38]4 years ago

7 0

$y = x \times 0.025$

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In quadrilateral DBCA, name the angles which are consecutive with angle D.

lisov135 [29]

Answer: The consecutive angles with angle D are B and A.

Explanation:

It is given that DBCA is a quadrilateral. Since it is a quadrilateral it means the have 4 vertices and 4 angles D, B,C,A.

The angles are formed in the order of the figure name. If the quadrilateral name is DBCA, So the order of the angles are D,B,C,A. It means the angle immediate after D is B, the angle immediate after B is C, the angle immediate after C is A and the angle immediate after A is D.

If the quadrilateral name is DBCA it means the sides are DB, BC, CA and AD as shown in the figure.

Consecutive angles of D means the angle immediate before and after the angle D.

In the figure there are some types of quadrilateral and from the figure we can easily noticed that the consecutive angles with angle D are B and A.

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Using completing the square to solve for x in the equation (x-12)(x+4)=9

Vladimir79 [104]

Hello!

You can multiply (x-12) and (x+4)

x * x = x^2
x * 4 = 4x
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Now we have

x^2 - 8x - 48 = 9

Subtract 9 from both sides

x^2 - 8x -57 = 0

Use the quadratic formula

This give use the answer of

x = 4 + $\sqrt{72}$

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Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a s

Furkat [3]

Answer:

using

Step-by-step explanation:

$\sqrt{efx(x - x) \div fx} \\$