Find the missing number so that the equation has infinitely many solutions.
3x + 9 =
x + 9 + x
What’s the answer?

Answers

Answer 1
3x + 9= 3 (x + 3)
x + 9 + x= 2x + 9
Answer 2

Answer:

x= 0 is correct.


Related Questions

A cone has a volume of 60. If the radius is 2 feet,
what is the height of the cone?
10 feet
15 feet
45 feet
90 feet

Answers

Answer:

B don't be afraid of the rounding that took place. In this case, you pick the closest answer.

Step-by-step explanation:

Givens

r = 2

V = 60

Formula

V = 1/3 pi r^2 h

Solution

60 = 1/3 * 3.14 * 2^2 * h

60 *3 /(3.14 * 4) = h

h = 14.33 feet which is B

Subtract -7x^2+4x+2 from x^2-3

Answers

The answer is -6x^2 - 4x - 5
separate like terms
rewrite
-7x^2-x^2+4x+2-3
no like terms with 4x
solve
-8x^2+4x-1 is the answer

Devon needs 8 yards of fabric to make a blanket. He has a total of 332 yards of fabric. How many blankets can Devon make? A 4040 B 4141 C 4242 D 4343

Answers

332/8= 41.5 but you cant make half of a blanket so itll be 41!

free coins- 1) what is 2+2?
2) 5x5
3) sam has 30 lemons, she gives 7 to her friend. how many lemons does her friend have?

may you answer them all-so you can earn it?

Answers

Answer:

mean

Step-by-step explanation:

Answer:

1) 4

2) 25

3) 7 lemons

Step-by-step explanation:

sam has a lemon problem

Please help on this question:

Answers

Answer:

$149.88

Step-by-step explanation:

2) (11,-1), (-1, -6)

Answers

Answer: -70

Step-by-step explanation:

this is really important please help, and please show work if you can

Answers

Answer:

C. 26°

Step-by-step explanation:

We have to subtract m∠GOH ( 24° ) from m∠FOH ( 50°)

50° - 24° = 26°

C. 26°

Which number is the base?

(-14)^3

Answers

Answer: -2744

Step-by-step explanation:

Try -2744? ( If i am wrong than sorry

In a​ week, 12 hens laid 72 eggs. What is the unit rate for eggs per​ hen?

Answers

Divide total eggs by total hens.

72 / 12 = 6 eggs per hen.

y-intercept is (0,-1) and slope is 4.​

Answers

Answer:

y=4x-1;  y-4x=-1

Step-by-step explanation:

Not too sure what this is asking but I'm assuming you mean how to write in slope-intercept form.

y=4x-1

...or in standard for

y-4x=-1

ANOTHER 10TH GRADE QUESTION

What is the value of x in the equation?

Answers

Answer:

x = 27

Step-by-step explanation:

4x + 7 = 5(x - 4)

4x + 7 = 5x - 20

4x - 5x = -20 - 7

-x = -27

x = 27

Factor the expression
C^2 - 2c - 63

Answers

Answer:

(c + 7) ( c - 9)

Step-by-step explanation:

Answer:

(c + 7)(c - 9)

Step-by-step explanation:

Please help me I don’t understand

Answers

X°5

Step-by-step explanation:

2) -8(-8x - 6) = -6x – 22

Answers

Answer:

x = -1

Step-by-step explanation:

-8(-8x - 6) = -6x - 22          {Use distributive property}

(-8) * (-8x)  - 6 *(-8) = -6x - 22    

64x +  48 = -6x -22  {Add 6x to both sides}

64x + 6x + 48 = -22         {Subtract 48 from both sides}

         70x     = -22 -48

              70x = -70            {Divide both sides by 70}

                  x = -70/70

x = -1

13) Roots of the equation 2x2 = 22x - 11 is:​

Answers

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

#

Is 5 26 28 a right triangle?

Answers

Yes, it’s a right triangle.

Mikayla has $30 in a cafeteria account. She spends $3 each day for lunch. Which equation matches Mikayla's situation?
y=3x-30
y=-3x-30
y=30x-3
y=30-3x

Answers

Answer:

y=30-3x

Step-by-step explanation:

Brianna used two congruent parallelograms and a square to create the figure.
What is the area of the figure Brianna created in square feet?
Answer Choices:
A: 27 ft²
B: 24 ¾ ft²
C: 67 ½ ft²
D: 33 ¾ ft²

Answers

Answer:

D. 33 3/4 ft²

Step-by-step explanation:

The figure comprises of a square with side of 4 1/2 ft and two parallelograms with base of 4 1/2 ft and height of 1 1/2 ft

Total area is:

(4 1/2)² + 2(4 1/2)( 1 1/2) = (4 1/2)( 4 1/2 + 2(1 1/2)) = 9/2(9/2 + 3) = 9/2(15/2) = 135/4 = 33 3/4 ft²

Correct option is D

Answer: the  correct answer is d

Step-by-step explanation: make me a brainlest

Please help! I will chose Brainlist! Thank you!
A model of a building is made using a scale of 1 inch= 25 feet. What is the height of the actual building if the height of the model is 12.5 inches.

Answers

Step-by-step explanation:

12.5 ×25

312.5

plz make me brainliest

{3x -2y = -16
{x + y = -7

Answers

the answer would be -6,-1

f(x) = -4x^2 – 7x + 4
Find f(-7)

Answers

Answer:

-143

Step-by-step explanation:

you plug -7 in the x variables

-4(-7)^2-7(-7)+4 = -143

GIVING BRAINLEIST!!!! Determine the area of the Parallelogram.
PIC IS BELOW!

Answers

[tex]\huge\fbox\pink{Answer}[/tex]

Formula:-

[tex]\underline{\boxed{\sf Area\:of\: parallelogram = base×height}}[/tex]

Substituting the values:-

:[tex]\implies[/tex] [tex]\sf Area = 12.5×3.7[/tex]

:[tex]\implies[/tex] [tex]\sf Area = 46.25 cm²[/tex]

Given that 8 x − 3 y = 36 Find x when y = 3 Give your answer as an improper fraction in its simplest form.

Answers

Answer:

5.62

Step-by-step explanation:

8x-3y=36

8x-3×3=36

8x=36+9

x=5.62

Answer:

x= 45/8

Step-by-step explanation:

8x - 3y = 36

8x - 3(3) = 36

8x - 9 = 36

8x=45

x=45/8

An oval running track is 1/5 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's running speed? (in miles per hour)


PLEASE I NEED HELP ASAP

Answers

Answer:

5 miles per hour

Step-by-step explanation:

the answer is 5 miles per hour, sorry if I am wrong.

Samuel buys office supplies for his home business. The office supplies cost $175.79 before taxes. The sales tax rate is 8.25%. What is the amount of sales tax Samuel will pay?

a$8.25
b $145.03
c$14.50
d$190.29​

Answers

Answer:

It’s 14.50

Step-by-step explanation:

As the total answer with the taxes would be 190.29 so you subtract it by 175.79 to get 14.50.


can someone pls help

Answers

Answer:

Step-by-step explanation:

It's not that clear on my screen

whats the difference between slope and rate of change?

Answers

Answer:

Slope is the ratio of the vertical and horizontal changes between two points on a surface or a line

Step-by-step explanation:

If coordinates of any two points of a line are given, then the rate of change is the ratio of the change in the y-coordinates to the change in the x-coordinates.

please. please. please. help

Answers

Answer:

kjh7563653 365385 36539y5 53nkddg dhdk djgd ghgkg d99  76  79

Step-by-step explanation:

The sides of a triangle measure 2x + 5, X – 4, and
3(2x + 1). What is the perimeter of the triangle?

Answers

Answer:

9x+4

Step-by-step explanation:

perimeter= sum of all sides

perimeter= (2x+5)+ (x-4)+ 3(2x+1)

= 2x+5+x-4+ 6x+3

= 2x+x+6x+5+3-4

= 9x+8-4

=9x+4

can someone help me answer this pls.

Answers

Answer:

a. {7,14}

b. {10,17,24,31}

c. (no)

Step-by-step explanation:

c. because for two different values of domain there is a single value of codomain (range )

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