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Answer:

Slope = ∆y/∆x

slope = ( -5_1 ) / ( 3_-3 )

slope = -6 / 6

slope = -1

Answer: The quantity a plus b doubled

               Twice the quantity of a and b

Step-by-step explanation: You're multiplying the sum of a and b by two. Multiplying by two and doubling is the same. Twice is a synonym for two times. there is no addition happening that involves 2 and there is no subtraction with a and b so the second and fourth choice are eliminated.

After simplifying the expression (1 / 2 + 3 / 8) × 8 , we get the result as 7.

We are given the expression:

(1 / 2 + 3 / 8) × 8

We need to evaluate the expression.

For this, we will use the rule of BODMAS.

So, first, we will solve the brackets and add the numbers.

So, we get that:

(1/2 + 3/8) × 8

= ( 4 / 8 + 3 / 8 ) × 8

= ( 7 / 8 ) × 8

Now we will multiply to get the value of the expression:

= 7

Therefore, after simplifying the expression (1 / 2 + 3 / 8) × 8 , we get the result as 7.

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Answer:

Step-by-step explanation:

16)

 [tex]\frac{4}{10} , \frac{32}{72}\\\\\frac{4}{10} = \frac{32}{72}[/tex]

Cross multiply,

4 * 72   = 32 * 10

  288   ≠   320

So, these are not in proportion.

17)

[tex]\frac{40}{25} = \frac{32}{20}[/tex]

Cross multiply,

40 * 20 = 32 * 25

800  = 800

So, these are in proportion.

18)

[tex]\frac{15}{45}=\frac{9}{c}[/tex]

Cross multiply,

15 * c = 9*45

      c = [tex]\frac{9*45}{15}[/tex]

      c = 9*3

     c = 27

19)

[tex]\frac{16}{120} = \frac{v}{15}[/tex]

Cross multiply

16 * 15 = v * 120

[tex]\frac{16*15}{120} =[/tex] v

v = 2

Answer:

The domain and range are both x > -4

Step-by-step explanation:

hope it helps have a great day

plz mark brainlest!!

Answer:

Each person will have 6

Step-by-step explanation

Answer:

13

hope this helps you

Answer:

156cm

470+30+8=508cm

780+90+7=877cm

560+40+8=608cm

Step-by-step explanation:

The equivalent expression which involves using the greatest common factor as required is; 10(c +5b).

It follows from the task content that the equivalent expression using the distributive property is to be determined.

On this note, the equivalent expression can be determined as follows;

10c = (10 × c)

50b = (10 × 5b).

Hence, since 10 is the greatest common factor, the equivalent expression using the distributive property is;

(10 × c) + (10 × 5b)

= 10(c +5b).

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Answer: B) y = -x^4

Work: I just plugged in the numbers into all the equations listed, and B worked correctly for them all, thus that's the correct answer.

I hope this helps, and Happy Holidays. :)

Answer:

4 [tex]\pi[/tex] in.

Step-by-step explanation:

C = 2[tex]\pi[/tex]r

The circumference of the circle after dilation is

C = [tex]\frac{1}{2}[/tex] (2)(4)[tex]\pi[/tex] = 4 [tex]\pi[/tex] inches.

Answer:

y= -9x+ 5/4

Step-by-step explanation:

y=mx+b

m is slope and b is y intercept

Answer:

=3x^2+8x+8

Step-by-step explanation:

Answer:

Hello The answer is D

Step-by-step explanation:

Why would you submit FICTIONAL dates for a autobiography about

your REAL life.

Answer: 236?

Step-by-step explanation:

Answer:

I think is B

because its the one that sounds good

Answer:

a) 4x-8

b) 3y + 27

c) -6 + 2r

Step-by-step explanation:

Here, we want to use the distributive property to evaluate the given expressions

Mathematically, the distributive property is;

(a + b) * c = (a * c) + (b * c)

So we use this on each of our questions;

a) 4(x-2)

= (4 * x) - (4 * 2) = 4x-8

b) 3(y + 9)

= (3 * y) + (3 * 9)

= 3y + 27

c) -2(3-r)

= (-2 * 3) - (-2 * r)

= -6 + 2r

Answer:

Step-by-step explanation:

<1 is the supplement of 5x + 5.  You have to assume that the almost horizontal lines are parallel. In addition, two angles on the same side of a transversal across two parallel lines and are interior angles are supplementary.

5x + 6 + 7x - 18 = 180                   Add  like terms

12x - 12 = 180                                Add 12 to both sides

12x = 180 + 12

12x = 192                                      Divide by 12

x = 192 /12

x = 6

====================

5x + 6 = 5*12 + 6

5x + 6 = 60 + 6

5x + 6 = 66

<1 + 66 = 180

<1 = 180 - 66

<1 = 114

Answer:

Consistent and independent

Step-by-step explanation:

The only touch at one point and they are not the same line and are not parallel

Answer:

4) The square root of 25 is rational

5) pi is irrational

Step-by-step explanation:

To know if the answer is rational or irrational, check to see if they can be turned into a fraction.

Answer:

4) [tex]\sqrt{25}[/tex]

5) [tex]\pi[/tex]

Step-by-step explanation:

4) [tex]\pi[/tex] is irrational.

[tex]\sqrt{2}[/tex] and [tex]\sqrt{3}[/tex] are also irrational.

[tex]\sqrt{25}[/tex] = 5. 5 is a whole number and thus is rational.

5) 16.5% = [tex]\frac{16.5}{100}[/tex]

0.0675 is a terminating decimal so it is rational.

8[tex]\frac{3}{4}[/tex] = 8.75 is also a terminating decimal so it is rational.

Answer:

3, 0, -5, -8, 6

Step-by-step explanation:

The domain is the x values

The range is the Y values

for example in (-2, 3)

the domain is -2 and range is 3

Answer:

For E, each angle is 60° because its an equilateral triangle.

F is 45° for x, 135° for y, lastly z is 22.5°

Answer:

x+8z-9y-ty

2x+5z-9y + x-8z+9y+ty

=3x+ty-3z

Slope formula - [tex]\frac{y2-}{x2-} \frac{y1}{x1}[/tex]

First coordinate pair - (-1, -4)

Second coordinate pair - (3, 1)

Coordinate format - (x, y)

y2=1, y1=-4

x2=3, x1=-1

[tex]\frac{1-}{3-} \frac{(-4)}{(-1)} =\frac{5}{4}[/tex]

Hope this is what your looking for :)

the slope goes by several names

• average rate of change

• rate of change

• deltaY over deltaX

• Δy over Δx

• rise over run

• gradient

• constant of proportionality

however, is the same cat wearing different costumes.

[tex](\stackrel{x_1}{-1}~,~\stackrel{y_1}{-4})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{1}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{1}-\stackrel{y1}{(-4)}}}{\underset{run} {\underset{x_2}{3}-\underset{x_1}{(-1)}}} \implies \cfrac{1 +4}{3 +1} \implies {\Large \begin{array}{llll} \cfrac{ 5 }{ 4 } \end{array}}[/tex]

Answer:

x=0.3

Step-by-step explanation:

Answer:

rectangles

Step-by-step explanation:

All of these shapes belong to rectangles category.

A quadrilateral with parallel sides that are equal to one another and four equal vertices is known as a rectangle.

Given:

Three shapes in the form of quadrilateral are given.

From the diagrams,

the shapes have the opposite sides equal and parallel.

That means, the shapes are rectangles.

Therefore, the shapes are rectangles.

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Answer:

D

Step-by-step explanation:

      you can model the amount that each phone plan will cost after n    minutes with these linear equations

                company X: [tex]30 + 5n[/tex]

                company Y: 20 + 4n

if you subtract the functions you can get the function for the

30 + 5n - ( 20 + 4n )

Answer:

20 m

Step-by-step explanation:

If the seagull is 11 m above the surface, and the shark is 9 m below the surface, add the 11 m and 9 m to get the absolute value of the distance between the seagull and the shark

11 m + 9 m = 20 m