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3 years ago

WILL MARK BRAINLIEST IF GOTTEN RIGHT

Mathematics

2 answers:

Sladkaya [172]3 years ago

5 0

The diameter is the measure across the circle: the diameter is given

Solution: 20 ft

dimulka [17.4K]3 years ago

5 0

Answer:

20 ft.

Step-by-step explanation:

Diameter is length across the circle/ across the middle

GO GO GO

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20x^2-30=4x solve for x

ankoles [38]

Answer:

x=1.3288 or -1.1288

Step-by-step explanation:

Given $20x^{2}-30=4x$

Subtract 4x from both sides

$20x^{2}-4x-30=0$

Since we can factor out 2 from whole equation, let's factor out 2.

$2(10x^{2}-2x-15)=0$

Divide with 2 on both sides

$10x^{2}-2x-15=0$

We got the quadratic equation, we can solve for x using quadratic formula.

$x=\frac{-b\pm\sqrt{b^{2}-4ac} } {2a}$

$x=\frac{2\pm\sqrt{2^{2}-4X10X(-15)} } {2X10}$

$x=\frac{2\pm\sqrt{604} }{20}$

$x=\frac{2\pm2\sqrt{151}}{20}$

$x=1.3288or-1.1288$

8 0

3 years ago

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Area of the parallelogram?

rjkz [21]

Answer:

Step-by-step explanation:

A=bh

12.6 x 8 = 100.8m2

4 0

3 years ago

Identify the missing measure

Goshia [24]

Answer:

103.5°

Step-by-step explanation:

Let "x" represent the missing angle.

Vertex formed = ½(the sum of the intercepted arcs) based on the intersecting chords theorem.

Therefore:

m<x = ½(195 + 12)

m<x = ½(207)

m<x = 103.5

MIssing angle is therefore 103.5°

4 0

3 years ago

I don’t know what the answer is and i need help please !

Lera25 [3.4K]

Answer:

the answer to this question is 6/5

8 0

3 years ago

What is the difference between an algebraic expression and a numerical expression

Lorico [155]

The difference is tha in algebraic expression, there are variables (ex. 6x + 3x) unlike numerical expression doesn't contain a variable; its just numbers.

5 0

4 years ago

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