3 years ago

In the diagram below AB is parallel to CD what is the value of X?

Mathematics

1 answer:

Delicious77 [7]3 years ago

4 0

Where is the diagram?

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The height of a door is 210 cm.

lana66690 [7]

210 / 6 = 35

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This means that 1/6 of 210 is 35.

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What is 5/6 of 210 though??

If 1/6 of 210 is 35, 5/6 of 210 is...

5 x 35 = 175

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Answer: 175 cm

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3 years ago

Simplify<br> 50(x^2+7x+6)

worty [1.4K]

Distribute $50$ to every term inside the parentheses.

$50\cdotx^2+50\cdot7x+50\cdot6$

Simplify with multiplication.

$\huge\boxed{50^2+350x+300}$

You can't simplify further by adding, so leave the answer as-is.

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1 year ago

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Factorize 2x²y⁴-6xy³

Gekata [30.6K]

Answer:

=2xy^3x(xy-3)

Step-by-step explanation:

2x^2y4-6xy^3

=2xy^3x(xy-3)

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2 years ago

The length of an arc of a circle is 7.34 units, and the measure of the corresponding central angle is 81 degrees. What is the ap

GuDViN [60]

Answer:

A. 5.19 units

Step-by-step explanation:

$\textsf{Arc length}=2 \pi r\left(\dfrac{\theta}{360^{\circ}}\right) \quad \textsf{(where r is the radius and}\:\theta\:{\textsf{is the angle)}$

Given:

$\theta$ = 81°
Arc length = 7.34 units

Substituting given values into the equation and solving for r:

$\implies 7.34=2 \pi r\left(\dfrac{81^{\circ}}{360^{\circ}}\right)$

$\implies 7.34=r\left(\dfrac{18 \pi}{40}\right)$

$\implies 7.34 \cdot 40=18 \pi r$

$\implies 293.6=18 \pi r$

$\implies r=\dfrac{293.6}{18 \pi}$

$\implies r=5.19 \sf \: units \:(2\:dp)$

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Which of the following quadrilaterals must be a parallelogram according to the minimum criteria?

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Answer: All of them are correct I think

Step-by-step explanation:

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2 years ago