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3 years ago

Need help with 4,5,6,,7,8,9 and number them plz it's due tomorrow. It says list or prime factorization to find lcm

Mathematics

1 answer:

Alex17521 [72]3 years ago

8 0

The answers to the questions

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Find the value of angle marked x

lyudmila [28]

Based on the given diagram we see that all the exterior angle is in a straight line with the interior angle.

Using the known angle measure, we know that the shape has angles of measure, 123 degrees, 94 degrees, 79 degrees, and '180 - x' degrees

Also, the sum of all the angles in a quadrilateral, any four-sided shape, is 360 degrees.

Now using the knowledge gained lets set up the equation

$123 + 94 + 79 + 180 - x = 360\\476 - x = 360\\-x = -116\\x = 116$

Therefore x is 116 degrees.

Hope that helps!

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2 years ago

Find the measure of angle A

Salsk061 [2.6K]

the angle c is 90°, it is a right triangle. (you see from the picture).

the sum of the interior angles are 180° (in all triangles)

180 - 90 - 29 =

61° (angle A)

----------------------

90 + 61 + 29 = 180°

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2 years ago

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Write 54 + 63 as the product of the GCF of 54 and 63 and another sum.

photoshop1234 [79]

Answer:

9(6+7)

Step-by-step explanation:

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2 years ago

Which polynomial is prime? x2 – 36 x2 + 16 x2 – 7x + 12 x2 – x – 20

juin [17]

Answer:

$x2 - 7x + 12$

Step-by-step explanation:

ℎ

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2 years ago

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Circle towns limit form a perfectly circular shape that has a population of 20000 in the population density of 480 people per sq

Alex

Answer:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

Step-by-step explanation:

For this case we know the population size $P = 20000$ and we also know the population density $D = 480 \frac{people}{km^2}$

We can assume that the area is a circle. We also know that the formula for the population density is given by:

$D= \frac{P}{A}$

Where P represent the number of people and A the area. Since we are assuming a circle then the area is given by:

$A = \pi X^2$

With X the radius of the circle

And then the populationd density become:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

6 0

3 years ago