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Marina86 [1]
3 years ago
13

Please Solve. Best Answer with more detail gets Brainliest.

Mathematics
1 answer:
hoa [83]3 years ago
5 0

Answer:

do u want me to get u the answers to the whole book?

Step-by-step explanation:

i can do that...

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Your help is deeply is appreciated.
MrRa [10]

Answer:

x = 3

Step-by-step explanation:

\\4x^2-2x=30\\\\x=3\\4(3)^2-2(3)=30\\4(9) - 6 =30\\36 - 6 = 30\\30 = 30 \\\\x=4\\4(4)^2-2(4)=30\\4(16) - 8 =30\\64 - 8 = 30\\56\neq 30

56  is not equal to 30

6 0
3 years ago
Read 2 more answers
An item costs $76.49 and the tax is $5.74. What is the percentage of the tax for this item?
Alinara [238K]

Answer:8.11%

Step-by-step explanation:

Before Tax Price: $70.75

Sale Tax: 8.11% or $5.74

After Tax Price: $76.49

3 0
3 years ago
Read 2 more answers
Convert 3/5 into a fractions with a denominator of 20.
Sloan [31]
<u>3</u> x 4 = <u>12</u><u>
</u>5 x 4 = <u />20

Since 5 times 4 is 20, then you must also multiply 3 by 4 because what you do to one part of the fraction you must do to the other.<u>

</u>
8 0
3 years ago
A rectangle is removed from the middle of a larger rectangular shaped board. What is the area of the remaining board?
jeyben [28]

Answer:

The area of the remaining board is [(L × B) - (l × b)].

Step-by-step explanation:

Suppose the bigger rectangle is labelled as ABCD and the smaller rectangle is labelled as PQRS.

Consider that the length and breadth of the bigger rectangle are L and B respectively. And the length and breadth of the bigger rectangle are l and b respectively.

The area of any rectangle is:

Area = Length × Breadth

The area of the bigger rectangle is:

Area of ABCD = L × B

The area of the smaller rectangle is:

Area of PQRS = l × b

Then the area of the remaining board will be:

Area of remaining board = Area of ABCD - Area of PQRS

                                         = (L × B) - (l × b)

Thus, the area of the remaining board is [(L × B) - (l × b)].

8 0
3 years ago
Which of the following matches a quadrilateral with the listed characteristics
Masja [62]

The quadrilateral that matches the characteristics is a square.

<h3 />

<h3>What is a quadrilateral?</h3>

A quadrilateral is a 2 dimensional figure with 4 sides. Example of quadrilaterals are rectangle, rhombuses, square, parallelograms and many more.

Therefore, the quadrilateral that matches the characteristics is a square.

Properties of a square

  • It has 4 right angles.
  • It has 4 congruent sides.
  • Both pairs of opposite sides are parallel.

learn more on quadrilateral here: brainly.com/question/13805601

#SPJ1

6 0
2 years ago
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