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3 years ago

Of the 400 words that brianna wrote for her book report

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

8 0

The question here is a little unclear. Would love to help but please clarify :)

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Can any math genius help me with this

vovangra [49]

Here's my working for 1) You need to find the exterior angle, then divide by 360 to find the number of sides:

Applying these steps : 

180 (Interior Angles) - 162 = 18 (Exterior angle)

360 ÷ 18 is 20 sides 

For 2)

Its the same method, so apply the steps:

180 - 175 = 5

360 ÷ 5 = 72 sides 

Hope it helps! :) 

8 0

3 years ago

PLEASE HELP. I need an answer by Nov 5

DochEvi [55]

Answer:

Step-by-step explanation:

1. M is the midpoint of CD; CM = 3x - 10; MD = 6x - 22; GIVEN

2. CM = MD Definition of Midpoint

3. 3x - 10 = 6x - 22 Substitution Property

4. -3x - 10 = - 22 Subtraction Prop of Equality

5. -3x =-12 Addition Prop of Equality

6. x = 4 Division Prop of Equality

3 0

3 years ago

Read 2 more answers

Pls, help with this question

nikklg [1K]

Answer:

$m\text{ arc BC} =32\\m\angle 2=16\\m\angle3=74\\m\angle4=74\\m\angle5=16$

Step-by-step explanation:

Arc BC is the intercepted arc for the central angle COB, so its measure is the same as the central angle.

Angle 2 is an inscribed angle, so its measure is half the measure of the intercepted arc BC.

Angles 3 and 4 are congruent inside an isosceles triangle (OB = OC, both radii), and the sum of all angles in triangle COB is 180 degrees, so

180 - 32 = 148 (sum of angles 3 and 4)

Each of angles 3 and 4 measure half that remaining 148 degrees.

Angle 5 is one of two congruent angles in an isosceles triangle AOC (OA = OC) so its measure is that of angle 2.

4 0

3 years ago

What is the square root of 21

Deffense [45]

The Exact Square Root Is: 4.58257569496

Estimate Is: 5

5 0

3 years ago

Read 2 more answers

The equation of line CD is y = −2x − 2. What is the equation of a line parallel to line CD in slope-intercept form that contains

aniked [119]

Answer:

$y=-2x+13$

Step-by-step explanation:

Equation of the line CD is given as $y=-2x-2$

Slope of the line CD = -2

Slope of the line parallel to CD = -2

Equation of the line parallel to CD is given by $y=mx+c$

$y=-2x+c$

But this line passes through (4,5)

Substituting the values in the equation:

$5=-2*(4)+c$

=> $c=5+8=13$

So the overall equation of the parallel line is given by $y=-2x+13$

6 0

3 years ago