please help find properties of lines and angles​

Answer:

[tex]\displaystyle y-9=\frac{1}{2}(x-8)\text{ or } y-4=\frac{1}{2}(x+2)[/tex]

Step-by-step explanation:

Point-slope form is given by:

[tex]\displaystyle y-y_1=m(x-x_1)[/tex]

Where (x₁, y₁) is a point and m is the slope.

So, first, we will find the slope using the two points (8, 9) and (-2, 4). We can use the slope formula:

[tex]\displaystyle m=\frac{\Delta y}{\Delta x}=\frac{4-9}{-2-8}=\frac{-5}{-10}=\frac{1}{2}[/tex]

Next, pick either of the two points and substitute it into the point-slope formula. Using (8, 9), we acquire:

[tex]\displaystyle y-9=\frac{1}{2}\left(x-8\right)[/tex]

And using (-2, 4), we acquire:

[tex]\displaystyle y-4=\frac{1}{2}\left(x -(-2)\right)\Rightarrow y-4=\frac{1}{2}\left(x+2\right)[/tex]

Both of these are valid answers.

Answer:

y-9=1/2(x-8)

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(4-9)/(-2-8)

m=-5/-10

m=1/2

y-y1=m(x-x1)

y-9=1/2(x-8)

Answer:

0.99

Step-by-step explanation:

99% + 99% - 99% × 99% ÷ 99%

198% + 99% - 99% × 99% ÷ 99%

198% - 99%

99%

so, 99 / 100

= 0.99

Answer:

0.99

Step-by-step explanation:

99% + 99% - 99% × 99% ÷ 99%

Add 99% and 99%

198% + 99% - 99% × 99% ÷ 99%

Divide 99% × 99% by 99%

198% - 99%

Subtract 99% from 198%

99%

By defination :- p% = p / 100

so, 99 / 100

= 0.99

Answer:

1. 0.2222222

2. .6667

Step-by-step explanation:

for question 1

there can only be 36 outcomes so you find out how many time you could get 7and2 which is 8 from so u write 8.36=.2222

for question 2

divide the outcome by the total out comes example(there are 6 red balls and 4 white out of 15 so you do 10/15=.6667)

Answer:

Outcomes with sum of 7:

Outcomes with sum of 11:

Total outcomes:

Required probability:

Answer:

The graph below ^-^

Hope this helps!

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

The graph that represents the equation is given below.

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

Example:

The slope of the line y = 2x + 3 is 2.

The slope of a line that passes through (1, 2) and (2, 3) is 1.

We have,

y = (-1/2) [tex]2^x[/tex]

The graph that represents the equation is given below.

Thus,

The graph that represents the equation is given below.

Learn more about equation of a line here:

https://brainly.com/question/23087740

#SPJ2

Answer:

.66

Step-by-step explanation:

Answer:

-16x

Step-by-step explanation:

6x + ? = -10x

Subtract 6x from each side

6x + ?  -6x= -10x-6x

? = -16x

Answer:

v=2

Step-by-step explanation:

add five to the other side and: -8v=(-21+5)

divide -16 by -8: v= -16/-8

v=2

Answer:

Step-by-step explanation:

The discriminant is found in

[tex]b^2-4ac[/tex] which is part of the quadratic formula. In

[tex]4x^2+10x-16=0[/tex], a = 4, b = 10, c = -16. Filling in for the discriminant:

[tex]10^2-4(4)(-16)=100+256=356[/tex]

It's positive so we know we have real roots; it's not a perfect square, so our solutions are 2 complex rational.

In [tex]-16x^2-7x+3=0[/tex], a = -16, b = -7, c = 3. Filling in for the discriminant:

[tex](-7)^2-4(-16)(3)=49+192=241[/tex]

It's positive and not a perfect square so the 2 solutions are complex rational

Step-by-step explanation:

first find the area of the semi circle

1/2πr²

1/2π(2ft)²

1/2π4ft²

6.2831853071795864ft²

area of shaded portion

area of a rectangle=length x width

4ftx2ft(2is half the diameter)

8ft²

subtract are of semi circle from the area of the rectangle

8ft²-6.2831853071795864ft²

1.7168146928204135ft²

Answer:

[tex](12a^{5}-6a-10a^{3})-(10a-2a^{5}-14a^{4}) = 14a^{5}+14a^{4}-10a^{3}-16a[/tex]

Step-by-step explanation:

Given

[tex](12a^{5}-6a-10a^{3})-(10a-2a^{5}-14a^{4})[/tex]

Required

Simplify

We have:

[tex](12a^{5}-6a-10a^{3})-(10a-2a^{5}-14a^{4})[/tex]

Open brackets

[tex]12a^{5}-6a-10a^{3}-10a+2a^{5}+14a^{4}[/tex]

Collect like terms

[tex]12a^{5}+2a^{5}+14a^{4}-10a^{3}-6a-10a[/tex]

[tex]14a^{5}+14a^{4}-10a^{3}-16a[/tex]

Hence:

[tex](12a^{5}-6a-10a^{3})-(10a-2a^{5}-14a^{4}) = 14a^{5}+14a^{4}-10a^{3}-16a[/tex]

Answer:

Step-by-step explanation:

5/3=1/n(do cross multiplication)

3*1=5*n

3=5n

3/5=n

Answer:

3y5 + 8y4 – 8y3

Step-by-step explanation:

2y5 – 6y3 + 1 + y5 + 8y4 – 2y3 – 1

2y5 + y5 + 8y4 – 6y3 – 2y3 + 1 – 1

3y5 + 8y4 – 8y3

Answer:

mark me

Step-by-step explanation:

x+y=3

x=3-y

putting the value of x

in this

x²+y²=5

(3-y) ²+y²=5

9-6y+y²+y²=5

2y²-6y+9-5=0

2y²-6y+4=0

2y²-4y-2y+4=0

2y(y-2)-2(y-2)=0

(2y-2) (y-2) =0

2y-2=0 or y-2=0

y=1 or y=2

so x=2 or 1

so x×y=2×1 or 1×2=2

I HOPE THIS WILL HELP YOU MARK ME BRAINLIEST

Answer:

C.

Step-by-step explanation:

Calculate it in the way of Divide

Answer:

11.9

Step-by-step explanation:

in maths, we are aware that in triangles we can use sine, cosine, and tangent.

using tangent, we have

tan 29⁰=6.6/x

and tan 29⁰=0.5543

0.5543=6.6/x

cross multiply

0.5543x=6.6

x= 6.6/0.5543

x= 11.9

Answer:

1476 termites after 7 days.

Step-by-step explanation:

initial population, P = 1200

rate of growth, r = 1.03

time, t = 7 days

Final population

= Pr^t

= 1200 (1.03^7)

= 1475.8

Answer:

vertex = (- 1, - 4 )

Step-by-step explanation:

Given a parabola in standard form

y = ax² + bx + c ( a ≠ 0 )

Then the x- coordinate of the vertex is

x = - [tex]\frac{b}{2a}[/tex]

y = x² + 2x - 3 ← is in standard form

with a = 1, b = 2 , then

x = - [tex]\frac{2}{2}[/tex] = - 1

Substitute x = - 1 into the equation for corresponding value of y

y = (- 1)² + 2(- 1) - 3 = 1 - 2 - 3 = - 4

vertex = (- 1, - 4 )

Answer:x would be 8 because 348 divided by 6 equals a quotient of 58

Step-by-step explanation:

Answer:

1200cm²

Step-by-step explanation:

(½*20cm*10cm)*2 + (½*20cm*50cm)*2

Answer:

60 * 40 / 2 = 120cm²

try to puzzle the triangles together to rectangles in your head

Answer:

50%

Step-by-step explanation:

In total, there are six things that can happen when you roll a 6-sided die: you either roll a 1, 2, 3, 4, 5 or a 6.

Three of these numbers are odd, therefore meaning the chances of you rolling an odd number is [tex]\frac{3}{6}[/tex] (because there are 6 events which could occur, 3 of which are odd)

Converting this into a fraction can be made easier by simplifying the fraction. As both the numerator and denominator can be divided by 3, you can simplify the fraction to [tex]\frac{1}{2}[/tex]

To turn this into a percentage, first divide 100% by your denominator (2) to get 50%, and then multiply it by your numerator (1). Therefore, P(odd) is 50%.

Answer:

128.7

Step-by-step explanation:

81.90 ÷ 7  = 11.7

11.7 x 11 = 128.7

Answer:

7 - 81.90 = 74

minus 11 = $85 for 11 calculators

Step-by-step explanation:

I don't really know if this is right, but i think it is...

Answer:

[tex]4( {x}^{2} - 1) - ( {x}^{2} - 8x - 5)[/tex]

[tex]4 {x}^{2} - 4 - {x}^{2} + 8x + 5[/tex]

[tex]3 {x}^{2} + 8x + 1[/tex]

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A = [ -1, 2, -3, 4]

B = [ -2, 3, -2, 4]

C = [ 3, -4, -2, 4]

Answer:

They have enough.

[tex]2\frac{6}{12} <2\frac{7}{12}[/tex]

Step-by-step explanation:

[tex]\frac{4}{3}+ \frac{5}{4}[/tex]

4 = 2 × 2

3 = 3 × 1

LCM of 4 and 3

= 2 × 2 × 3 × 1

= 12

[tex]4(\frac{4}{3})+ 3(\frac{5}{4})[/tex]

[tex]\frac{16}{12}+ \frac{15}{12}[/tex]

[tex]\frac{31}{12} =2\frac{7}{12}[/tex]

[tex]2\frac{1}{2} =2\frac{6}{12}[/tex]

[tex]2\frac{6}{12} <2\frac{7}{12}[/tex]

Answer:

length of each side=√81

=9 cm

Answer:

9cm

Step-by-step explanation:

a square has 4 equal sides, so to find out the area you do width x height

the area is 81cm², which means that the side length is 9cm as 9 x 9 = 81

hope this helps :)

Answer:

X=60°

Y=50°

Step-by-step explanation:

Triangles must equal 180° when you add all angles together.

Triangle with angle X

To find the value of Y takes a few more steps, but it isn't hard!

Angle Y is on a line, which equals 180° just like a triangle.

We know X=60°, but we don't know what the blank angle equals.

We use the same steps as we did when finding X

We know that the blank angle=70° and that X=60°

Since the line equals 180, we add the two angles and then subtract from 180, just like before!