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jonny [76]
3 years ago
9

Simplify the following: Will give brainliest.NEED ANSWER ASAP​

Mathematics
2 answers:
andrey2020 [161]3 years ago
4 0

Answer

the answer is in the picture

Step-by-step explanation:

Ad libitum [116K]3 years ago
3 0

Answer:

\frac{2(2-x^2)}{5x}

Step-by-step explanation:

Before we can subtract we require the fractions to have a common denominator.

Multiply the numerator/ denominator of the second fraction by x

\frac{4}{5x} - \frac{2x^2}{5x}

Now subtract the numerators leaving the denominator

= \frac{4-2x^2}{5x} = \frac{2(2-x^2)}{5x}

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30+4+0.7+0.05

Step-by-step explanation:

Because the expanded form is added the number.

3=30

4=4.

7=0.7

and 5=0.05 so all together is 30+4+0.7+0.05

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What does a quadrilateral with sides that are not equal look like
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(9x2 + 8x) – (2x2 + 3x)
Arte-miy333 [17]

Answer: 14+5x

Step-by-step explanation:

(18+8x) - (4+3x)

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7 0
3 years ago
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There was no more rainfall for the rest of the day.
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3 years ago
The figures below are made out of circles, semicircles, quarter circles, and a square. Find the area and the perimeter of each f
Rom4ik [11]

Answer:

  • The area of the figure will be 5π/2 in².
  • The perimeter will be 3π + 2 in

Step-by-step explanation:

This figure is a combination of two semi-circles.

  • One having diameter of 2 inches i.e. AD
  • Other having diameter of 4 inches i.e. AC

As

{\displaystyle \pi ={\frac {C}{d}}}

{{{C}}}=\displaystyle \pi.d

Perimeter of the big figure could be computed by cutting the perimeters of each circle in half, and then combing them together.

Area could be computed using the same way.

<u>Calculating the Perimeter:</u>

  • As the circumference of the smaller circle is 2π in. Cutting it half would yield the circumference of the smaller semi-circle i.e. π.
  • As the circumference of the bigger circle is 4π in. Cutting it half would yield the circumference of the bigger semi-circle i.e. 2π.
  • As the length of the segment DC is 2 in.

So, the total perimeter would be: π + 2π + 2 = 3π + 2 in

<u>Calculating the Area</u>

Area could be computed using the same way as we did during measuring perimeter.

As the area of circle is

A={\displaystyle \pi.r^{2}

As we are dealing with semi-circles. So, cutting the diameters of two semi-circles in half can let us find the radii of them.

So,

  • Smaller semi-circle has 1 in radius
  • Larger semi-circle has 2 in radius

Areas would have to be cut in half as well, as we are dealing with semi-circles.

So,

For smaller:

A_{small} =\frac{1}{2} {\displaystyle \pi.r^{2}

A_{small} =\frac{1}{2} {\displaystyle \pi.(1)^{2}

A_{small} =\frac{1}{2} {\displaystyle \pi

Hence, the area of smaller will be: π/2 in²

For larger:

A_{larger} =\frac{1}{2} {\displaystyle \pi.r^{2}

A_{larger} =\frac{1}{2} {\displaystyle \pi.(2)^{2}

A_{larger} =2 \pi^{}

Hence, the area of larger will be: 2π in²

Combining them together:

\frac{1}{2} {\displaystyle \pi^{} + 2 {\displaystyle \pi^{}=\frac{5}{2} {\displaystyle \pi^{}

Therefore,

  • The area of the figure will be 5π/2 in².
  • The perimeter will be 3π + 2 in

<em>Keywords: radius, area, perimeter, semi-circle, circle, diameter, circumference of circle</em>

<em>Learn more about circle measurements from brainly.com/question/3855576</em>

<em>#learnwithBrainly</em>

3 0
3 years ago
Read 2 more answers
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