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9514 1404 393

Answer:

  B)  Dilations increase angle measures.

Step-by-step explanation:

Dilations have no effect on angle measures, but they uniformly change the size and spacing of line segments. They are a non-rigid transformation that leaves geometric figures similar to the original.

The false statement is B.

1. x + 20

2. 0

3. 2x - 8

4. 95x + 10

5. -9x - 6

6. 4x + y - 5

7. -x + 6y + 5

8. x + y - 15

9. x + 4y + 4

• When working with variables and numbers, you have to put the variables first (in alphabetical order) and then the numbers.

• To evaluate an algebraic expression, we find the value of the expression when the variable is replaced by a given number.

• To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations.

• When we are not given a number for the variable in the expression, we have to group like-terms.

1. 4x + 12 - 3x + 8

2. -8x + 1 + 2x - 1 + 6x

3. 4x - 3 - 2x - 5

4. 100x + 5 - 5x + 5

5. -4x - 4 - 2 - 5x

6. 2x - 1 + 2x - 4 + y

7. 5y - x + 2y - y + 5

8. -15 + 3y - 3x - 2y + 4x

9. 4 - 3y + 3x - 2x - y

Hope I helped you, if I did can you please mark me the Brainliest?

Answer:

C

Step-by-step explanation:

because it is asking to find the number of classes held during the weekday zumba class.

weekday class = 30 minutes

Saturday= 45 minutes

total = 165  

Answer:

1/2

Step-by-step explanation:

Let the total pie be 2

She ate 1/6

Her brother ate 1/3

If she gave her Friend the remaining, the fraction of the amount her friend collected is expressed as:

1-(1/6+1/3)

= 1-((1+2)/6)

= 1-3/6

= 1 - 1/2

=1/2

Hence the fraction she gave her friend is 1/2

Answer:

             [tex]\bold{m=-\dfrac92=-4.5}[/tex]

Step-by-step explanation:

[tex]\bold{slope\, (m)=\dfrac{change\ in\ Y}{change\ in\ X}=\dfrac{y_2-y_1}{x_2-x_1}}[/tex]

(2, -9)    ⇒   x₁ = 2,  y₁ = -9

(-2, 9)    ⇒   x₂ = -2,  y₂ = 9

So the slope:

                    [tex]\bold{m=\dfrac{9-(-9)}{-2-2}=\dfrac{18}{-4}=-\dfrac92}[/tex]

Answer:

D

Step-by-step explanation:

communicative property of X

Answer:

50m

Step-by-step explanation:

Calculation for the height of the building

First step:

Let x represent the building height

Second step:

100m/8m = x/4

Third step is to Cross multiply:

100m(4) = 8x

400m= 8x

x=400m/8

x=50m

Therefore the height of the building will be 50m

Answer:

8w-3

Step-by-step explanation:

Is that what you were looking for?

Answer:

B; 4/d-6

Step-by-step explanation:

We want to perform a division here

Flipping the right hand side while changing the sign to multiplication, we have that;

(2d - 6)/ (d^2 + 2d -48) * (2d + 16)/d-3

= 2(d-3)/(d^2 + 2d - 48) * 2d + 16/d-3

= 2/(d^2 + 2d - 48) * 2d + 16/1

2/(d-6)(d + 8) * 2(d + 8)/1

= 2/d-6 * 2/1

= 4/d-6

the answer is six

I'm sure

Step-by-step explanation:

soln

given

y=2x+3 -----(i)

y=-x-9 ------(ii)

now, putting value of equation (i) in (ii)

y= -x-9

or, 2x+3 = -x-9

or, 2x+x = 9-3

or, 3x = 6

or, x = 6/3

or, x = 2

again,

y = 2x+3

or, y = 2×2+3

or, y = 7

therefore, value of X and Y are 2 and 7 respectively.

Answer:

-2m -12n

Step-by-step explanation:

-8m -8n +6m-4n

Step-by-step explanation:

= -8m-8n+6m-4n

= -8m+6m-8n-4n

= -2m-12n

hope it helps.

Answer:

15x + 42y = $13 050

Step-by-step explanation:

hope that helped :)

Answer:

C

Step-by-step explanation:

A is incorrect because as x goes from 0 to 1, y jumped from 0 to 4

B is incorrect because as x goes up by 2, y at first goes up by 2 but then jumped to 4.

C is correct because as x goes up by 1, y goes up by 3

D is incorrect because y jumped from 0 to 10 and first but lowered to 5 after.

x = -1,-16,-2.

TIE FIGHTERS GO ZOOOOOOOM

Answer: He bought 8 quarts

Step-by-step explanation:

There are 4 quarts in a gallon so if you multiply 4 by 2 then you get 8,

Answer:

8 quarts

Step-by-step explanation:

1 gallon is equal to 4 quarts, so from there you just multiply 2 times 4 and you get 8 !

Answer:

14, 21, or 28 would be the only answers I can think of

Step-by-step explanation:

7 teams of 2, 3, or 4 gives the answers

Answer: Step-by-step explanation:

1.  D, last one.

4. C, third one.

2. C, third one.

3. B, second one.

Answer:

c

Step-by-step explanation:

Answer:

3x2y(3x2−2xy+y2) So C

Step-by-step explanation:

Answer:

24/13 or 1.8

Step-by-step explanation:

27b -3 - 14b -21 = 0

13b - 24 = 0

13b = 24

b = 24/13 or 1.8

Answer:

B = 6

Step-by-step explanation

1. (Do the parentheses)  3(6b-1)-7(2b+3) = 18b-3-14b-21

2. (Simplify) 18b-3-14b-21 = 4b-24

3. (Add 24 to both sides) 4b-24+24=0+24

4. (Simplify) 4b = 24

5. (Divide by 4) b = 6

Answer:

5, 1, 0.2

Step-by-step explanation:

Divide the number by 5 to get the next one.

Answer:

[tex]x = \frac{ \sqrt{6} }{2} [/tex]

[tex]y = \frac{3 \sqrt{2} }{2} [/tex]

Step-by-step explanation:

[tex] \sin(theta) = \frac{opposite}{hypotenuse} [/tex]

[tex] \cos(theta) = \frac{adjacent}{hypotenuse} [/tex]

[tex] \tan(theta) = \frac{opposite}{adjacent} [/tex]

theta = 30°

hypotenuse = √6

opposite = x

adjacent = y

[tex] \sin(theta) = \frac{opposite}{hypotenuse} [/tex]

[tex] \sin(30) = \frac{x}{ \sqrt{6} } [/tex]

[tex] \sin(30) \times \sqrt{6} = x[/tex]

[tex] \frac{ \sqrt{6} }{2} = x[/tex]

[tex]x = \frac{ \sqrt{6} }{2} [/tex]

[tex] \cos(theta) = \frac{adjacent}{hypotenuse} [/tex]

[tex] \cos(30) = \frac{y}{ \sqrt{6} } [/tex]

[tex] \cos(30) \times \sqrt{6} = y[/tex]

[tex] \frac{3 \sqrt{2} }{2} = y[/tex]

[tex]y = \frac{3 \sqrt{2} }{2} [/tex]

Answer:

HL, SAS, ans SSS

Step-by-step explanation:

ASA and AAS cannot be used because we can only confirm one angle of each triangle.

Congruent shapes have equal corresponding sides and angles.

The congruence theorems that can be used to prove [tex]\triangle ABR \cong \triangle ACR[/tex] are HL, SAS, and SSS

[tex]\triangle ABR \cong \triangle ACR[/tex] means that, the triangles are congruent.

From the attached figure, we have the following congruent sides and angle:

The above highlights mean that the following theorems can be used to prove that the triangles are congruent:

HL, SAS, and SSS

Read more about congruent triangles at:

https://brainly.com/question/11329400

Answer:

a= 9/4

Step-by-step explanation:

2m^(5/2)/m^(1/4)

2m^(5/2 -1/4)

2m^(9/4)

Hope you find this helpful <3

Answer:

2 groups

Step-by-step explanation:

13 times 3 is 39

39 is not 34

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Answer:

2). 2

3). 5

4). 3

5). 6

Step-by-step explanation: