Mathematics High School

WORTH 50 POINTS!!!


Which lines are perpendicular to the line y – 1 = 1/3(x+2)? Check all that apply.

Please explain why, I would appreciate it


-y + 2 = –3(x – 4)

-y − 5 = 3(x + 11)

-y = -3x – 5/3

-y = 1/3x – 2

-3x + y = 7

Answers

Answer 1

Answer:

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Related Questions

A designer builders a model of a bicycle the finished model is exactly the same as the original but smaller. The scale factor is 2:15 (A) ratio of height ☑️:☑️ (B)surface area ☑️:☑️ (C)volume ☑️:☑️

Answers

Answer:

a) The ratio of height is 2:15

b) The ratio of surface area is 4:225

c) The ratio of volume is 8:3375

Step-by-step explanation:

The scale factor of model to original is 2 :15

Please remember the concept, when scale factor is a:b

Then ratio of sides would be same a:b

The ratio of surface area is [tex]a^{2} :b^{2}[/tex]

The volume is [tex]a^{3} :b^{3}[/tex]

According to the concept,

The ratio of height is 2:15

The ratio of surface area is [tex]2^{2} :15^{2}[/tex] =4:225

The ratio of volume is [tex]2^{3} :15^{3}[/tex] =8 :3375.

3×- 5 =16 help please​

Answers

Answer:

x = 7

Step-by-step explanation:

Given

3x - 5 = 16 ( add 5 to both sides )

3x = 21 ( divide both sides by 3 )

x = 7

Answer: X= 7

Explanation:
(you need to get x by its self)

Step 1- add the (-5) over to the 16

Because to get rid of a negative or minus sign you need to do the opposite which is addition.

You’ll get: 3x=21

Step 2- divide the 3 off from 21
Because the ‘3x’ is acting as multiplication, and the opposite of multiplication is division

You’ll get: X=21/3
Which is X=7

HELP ME ASAP BRAINLY :)) How many sides does a polygon have if its total interior angle sum is 4 times its total exterior angle sum?

Answers

Answer:

Step-by-step explanation:

If you are given the interior angle, just subtract that from 180 to get the exterior angle and then use the number of sides = 360 / exterior angle to find the number of sides. it's much easier. the number of sides is equal to 10. the sum of the interior angles is equal to 10 * 144 = 1440 degrees.
10 x 144 so that would be 1440

I need help fast!!!!

Answers

Answer:

B

Step-by-step explanation:

Write "five more than a number" as a math expression help please

Answers

Answer:

It is 5 or  x>5

Step-by-step explanation:

It is now 3:00am. Help I just missed another question!!!!!!

Answers

Answer:

math do be hard but stan han seungwoo

Step-by-step explanation:

How can I solve "Ella is building a rabbit pen. The area of the rabbit pen is 50 square feet.
Each rabbit needs at least 4 square feet of space. How many rabbits can
the pen hold?"

Answers

I think

50/4= 12.5 rabbit pens

Hope it might helps you!

Answer:

12.5 rabbits

Step-by-step explanation:

So I guess I would say 12

look at this equation 3(x+1)=3x=? which number can be placed in the box *the question mark* that would create an equation that has an infinite number of solutions
a.0
b.1
c.2
d.3

Answers

the answer to this is 0

Edwin is making brownies. He has m cups of flour. He realized that he needs 3 more flour
than he currently has to make the brownies. Which expression represents the total amount
of flour he needs to make the brownies?

Answers

Answer:

m+3=amount of cups he needs to make brownies

Step-by-step explanation:

If he has m amount of cups and he needs 3 more to make the brownies, If you just add 3 to m amount it should be the right answer

Sorry if im wrong

D
(3x +94)
Kx + 18)
(2x - 4)
B
A
O
The diagram is not drawn to scale.
O
x = 1
-。
Please help ASAP

Answers

Answer:

i cant answer this one, its waaaay too confusing for me

Step-by-step explanation:

Can anybody help me please hurry

Answers

Yoo kid for these type of problems your better o go with an app called Photomath

Three of the four vertices of a rectangle are located at (4, 2), (7, 2) and (4, 8). a. What are the coordinates of the missing vertex? ( , ) b. Find the area and perimeter of the rectangle. Area = square units Perimeter = units

Answers

Answer:

a) The coordinates of the missing vertex = (7, 8)

b) Area = 18 square units

   Perimeter = 18 units

Step-by-step explanation:

a) We know three of the four vertices:

A: (4, 2)           C ______ D(?)

B: (7, 2)               |             |

C: (4, 8)           A |______| B  

To find the coordinates of the missing vertex we need to calculate the distance in the x-direction from point A to point B:

[tex] B_{x} - A_{x} = 7 - 4 = 3 [/tex]                    

Hence, the distance of point D from point C in the x-direction is:

[tex] D_{x} = C_{x} + 3 = 4 + 3 = 7 [/tex]

Now, to find the coordinate in "y" we need to calculate the distance in the y-direction between point C and point A:

[tex] C_{y} - A_{y} = 8 - 2 = 6 [/tex]  

Then, the distance of point D from point B in the y-direction is:

[tex] D_{y} = B_{y} + 6 = 2 + 6 = 8 [/tex]

Therefore, the coordinates of the missing vertex (point D) are:

[tex] D = (D_{x}, D_{y}) = (7, 8) [/tex]    

b) The area of the rectangle is:

[tex] a = (B_{x} - A_{x})*(C_{y} - A_{y}) = 3*6 = 18 units^{2} [/tex]

The perimeter is given by:

[tex] p = 2*(3 + 6) = 18 units [/tex]

I hope it helps you!          

Solve for X

WILL GUVE BRAINIEST ON THE FIRST ANSWER

15POINTS

Answers

Answer:

x = 10

Step-by-step explanation:

5x + 6 = x + 46

4x = 40

x = 10

Square ABCD is dilated by a scale factor of 1/3 to create square A’B’C’D’. Which statement is NOT true?

Answers

the answer is letter “D”

Please help me ????????

Answers

The answer is a. Have a great day and stay safe.

idiixixixjdjdodjdjdijxdjdjj​

Answers

Answer: 41

Step-by-step explanation:

You need to subtract the 82 by the 41 so 82-41 then you would find the missing part. Or you could add 4 to the 4 to make 8 and then add the 1 to the 1 to get 2

Need help please. Need the answer now

Answers

Answer:

Step-by-step explanation:

4 because as shown below. An equilateral triangle has 3 lines of symmetry.

Answer:

D

Step-by-step explanation:

The zeros are the values of x on the x- axis where the graph crosses.

The graph crosses the x- axis at x = - 4 and x = - 6

Then x = - 4 and x = - 6 are the 2 zeros → D

HELP HELP HELP PLSSSSSSS

Answers

verry very sorry for this

The actual answer is 144. I have the proof right here:

Answers

Answer:

do you need help with anything.?

Step-by-step explanation:

helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

Answers

Answer:

What do u need help with

Step-by-step explanation:

Plz help fast will mark the brainiest!!!

Answers

1.264 x 10^-5 is the answer
0.0000072+0.00000544=0.00001264

I know it looks like a lot. Hopefully it’s the right answer

Round 5540.33990183 to 3 decimal places

Answers

Answer:

5540.340

Step-by-step explanation:

That's My Answer For It

Answer:

5540.33990183 in 3 decimal places would be

5540.340

Help please it’s algebra 2

Answers

Answer:

Please refer to the attachment

I need help with this please

Answers

Answer:

5.5

Step-by-step explanation:

It asks for just the Stevens family, so the first sentence is a trick.

Take $49.50 and divide it by $9 an hour. You will end up with 5.5 hours.

which equation represents a line parallel to the line shown on the graph ​

Answers

Answer:

y=2x+1

Step-by-step explanation:

Somebody please help!

Answers

I believe it would be y=x, however I could be wrong

Question 1. What is the solution to the following system?
y = -6x
y = 48

1. infinite solutions
2. (-6, -8)
3. (-6, 48)
4. (-8, 48)



Question 2. What is the solution to the following system?
2x + 7y = 3
y= -1

1. (5/7, -1)
2. (-1, 5)
3. (5, -1)
4. (5, -5)

(will give brainliest)

Answers

Answer:

Q1 2. Q2 3.

Step-by-step explanation:

to solve a system of equations, you would usually have to use either elimination or substitution. however, in both of these problems, Y is given directly so that's unnecessary

for these, all you have to do is plug in y and then solve for x, where x is then the first number in the ordered pair and y is the second number.

Q1 48/-6 = -8, so the answer is (-6,-8)

Q2 10/2=5, so the answer is (5, -1)

if you need me to explain the algebra steps in full I will, just let me know

Who knows this? Help me please

Answers

Answer:

1/8

Step-by-step explanation:

Someone help me with this question

Answers

the answer is 7 because thats what photo math told me

Answer:

7

Step-by-step explanation:

(8+56)÷4-3^2

PEMDAS:

(64)÷4-3^2

PEMDAS:

(64)÷4-9

PEMDAS:

(16)-9

7

hope this helps

Plz help fast will mark the brainiest!!!

Answers

4.75 x 10^-5 is the answer in scientific notation!
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