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valina [46]
3 years ago
13

Help with geometry please

Mathematics
2 answers:
Georgia [21]3 years ago
7 0

Step-by-step explanation:

Working off what the person below did, one way to figure it out is by taking the lines (A straight line is 180*)

So to figure it out you have the 121*, and that little segment next to it.

So 180*-121*= 59*. And since that little segment/corner is a vertical angle, You move the 59* Into the little corner in the triangle.

Same with 144*, it has a little segment next to it.

So 180*-144*=36*. Move that in.

A triangle is 180* on the inside. So 180*-36*-59*=85*. That is the last corner INSIDE the triangle.

Move that OUT.

it's in the little segment/corner next to <em>n</em> and it's on a line, So 180*-85*=95*

n=95*.

eimsori [14]3 years ago
4 0

Answer:

The answer to your question is: n = 95°

Step-by-step explanation:

The sum of the suplementary angles equals 180°

Then

           121 + x = 180

           x = 180 - 121

           x = 59°

 

           144 + y = 180

            y = 180 - 144

            y = 36°

The sum of the internal angles in a triangle equals 180°

   

           x + y + z = 180

          59 + 36 + z = 180

          z = 180 - 59 - 36

          z = 85

Finally

          n + 85 = 180

          n = 180 - 85

          n = 95°

           

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Match the information on the left with the appropriate equation on the right.
kiruha [24]

Answer:

See attachment below

Step-by-step explanation:

For the first option, we are given m = - 2 / 3, b = 3. This is likely in the point - slope form y = mx + b, where m = slope and b = y - intercept. Thus, the equation of the line in point - slope form given this information, should be y = - 2 / 3x + 3. It seems as if none of the following equations match this form, so let us interchange the equation a bit,

y = - 2 / 3x + 3,

y + 2 / 3x = 3,

2x + 3y = 9 - Option C

_______________________________________________________

Next we are given m = - 3 / 2, and that this line passes through the point ( 4, - 1 ). Substitute m as - 3 / 2, x as 4, y as - 1, knowing point ( 4, - 1 ), into the form y = mx + b - solving for b.

- 1 = ( - 3 / 2 )( 4 ) + b,

b = 5,

Thus the equation in point - slope form should be y = - 3 / 2x + 5. None of the choices match this, so let us again alter the equation,

y = - 3 / 2x + 5,

2y = - 3x + 10,

- 2y = 3x - 10 - Option A

_______________________________________________________

( 6, 3 ) and ( 3, 1 ) is given to lie on this line. The slope of the line should be as follows,

Slope = 3 - 1 / 6 - 3 = 2 / 3

Now let us determine the y - intercept ( b ) by substitute one of the points, say ( 6, 3 ). In this case x = 6, and y = 3,

3 = ( 2 / 3 )( 6 ) + b,

b = - 1,

y = 2 / 3x - 1 = Option D

Take a look at the attachment below for further help;

3 0
3 years ago
Divide and simplify to the form a+bi. 5+6i 5+6i 6+ i (Simplify your answer. Type an integer or a fraction. Type your answer in t
alekssr [168]

Answer:

-\frac{6}{37} + \frac{371}{37}i

Step-by-step explanation:

We need to evaluate \frac{(5+6i)(5+6i)}{6+i}

(5+6i)(5+6i) = (25 + 36i² + 60i) = (25 - 36 + 60i) = -11 + 60i

= \frac{-11+60i}{6+i}

Now we rationalize the denominator.

Now, multiplying both the numerator and denominator by (6-i)

\frac{-66 + 11i + 360i - 60i^2}{36 - i^2} = \frac{-66 + 60  + 371i}{37} = \frac{-6 + 371i}{37}

= -\frac{6}{37} + \frac{371}{37}i

Formula used:

(a+b)² = a² + b² + 2ab

i² = -1

6 0
4 years ago
Help!!! hurry......-_-
Burka [1]

Replace x and y’all with the point and solve the equations

1. 2(0.5)+ 4(-6.75) = 1 + -27 = -26

This is true so is an answer.

2. Y = 0.5-7.5 = -7, -7 is not -6.75 so this is not true.

3. 2(-6.75) = 0.5 + 13

13.5 = 13.5

This is true so is also an answer.

4. -6.75 = 0.5(0.5) -7

-6.75 = 0.25-7

This is true so also an answer.

Answers are 1, 3 and 4

8 0
3 years ago
Read 2 more answers
Simplify (6^5/7^3)^2
o-na [289]
Simplify the following:
(6^5/7^3)^2

7^3 = 7×7^2:
(6^5/(7×7^2))^2

7^2 = 49:
(6^5/(7×49))^2

7×49 = 343:
(6^5/343)^2

6^5 = 6×6^4 = 6 (6^2)^2:
((6 (6^2)^2)/343)^2

6^2 = 36:
((6×36^2)/343)^2

 | | 3 | 6
× | | 3 | 6
 | 2 | 1 | 6
1 | 0 | 8 | 0
1 | 2 | 9 | 6:
((6×1296)/343)^2

6×1296 = 7776:
(7776/343)^2

(7776/343)^2 = 7776^2/343^2:
7776^2/343^2

 | | | | 7 | 7 | 7 | 6
× | | | | 7 | 7 | 7 | 6
 | | | 4 | 6 | 6 | 5 | 6
 | | 5 | 4 | 4 | 3 | 2 | 0
 | 5 | 4 | 4 | 3 | 2 | 0 | 0
5 | 4 | 4 | 3 | 2 | 0 | 0 | 0
6 | 0 | 4 | 6 | 6 | 1 | 7 | 6:
60466176/343^2

 | | | 3 | 4 | 3
× | | | 3 | 4 | 3
 | | 1 | 0 | 2 | 9
 | 1 | 3 | 7 | 2 | 0
1 | 0 | 2 | 9 | 0 | 0
1 | 1 | 7 | 6 | 4 | 9:

Answer: 60466176/117649
6 0
3 years ago
Chris withdraws $7.50 per week from his savings account. After 15 weeks, the balance in the account is $585.
slava [35]
Y-585 = -7.5(x-15)

y = -7.5x - 7.5(-15) + 585
y = -7.5x + 697.50

C = -7.5(52) + 697.50 = $307.50
4 0
4 years ago
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