Mathematics High School

Maths question.
Solve
4(x - 1) = 2(6 - 2x)

Answers

Answer 1
Use distributive property
4x - 4 = 12 - 4x
8x = 16
X = 2
Answer 2

Answer:

x = 2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDASEquality Properties

Step-by-step explanation:

Step 1: Define equation

4(x - 1) = 2(6 - 2x)

Step 2: Solve for x

Distribute:                              4x - 4 = 12 - 4xAdd 4x on both sides:          8x - 4 = 12Add 4 to both sides:             8x = 16Divide 8 on both sides:        x = 2

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x:                    4(2 - 1) = 2(6 - 2(2))Multiply:                               4(2 - 1) = 2(6 - 4)Subtract:                              4(1) = 2(2)Multiply:                               4 = 4

Here we see that 4 does indeed equal 4.

∴ x = 2 is a solution of the equation.

Related Questions

What is the value of x pls help

Answers

Answer:

118

Step-by-step explanation:

Answer:

118⁰

Step-by-step explanation:

37⁰+25⁰= 62 ⁰

180⁰-62⁰= 118⁰

Each square in the grid is a unit square with an area of 1 square unit. What is the area of the figure? square units ​

Answers

Answer:

The total area of the figure is: 16 square units

Step-by-step explanation:

The Area is basically a measure of how much space in square units there is inside an object.

Given that each square in the grid is a unit square with an area of 1 square unit.

The figure clearly shows that there are 14 complete squares and 4 half square units.

Thus, the total area of the figure is:

(1 × 14) + (1/2 × 4)

=14 + 2

= 16 square units

Therefore, the total area of the figure is: 16 square units

25 POINTS!! PLS HELP

Answers

Answer:

5/13

Step-by-step explanation:

You are meant to find cos which is CAH

That means there is an adjacent and hypotenuse

So it will be 5/13

Baker Jo has 429 apples
Each apple pie requires 8
apples to make If she
makes as many apple ples
as possible, how many
apples will she have
remaning?
apples

Answers

429/8 = 53 5/8
She will have 5 apples remaining

Find the quotient of -132 and 6.

Answers

Answer:

-22

Step-by-step explanation:

Answer:

-22

Step-by-step explanation:

-132 ÷ 6 --- Divide

For khan academy . Need answer immediately

Answers

It's easy just use y=mx+b form ok?

The information is in the picture PLEASE HELP ME

Answers

Answer:

The answer is A

Step-by-step explanation:

2t(t-4)

(2t x t)(2t x -4)

2t^2 - 8t

Can someone help me with the questions in the picture?

Answers

Answer:

[tex] y = 8 [/tex]

Step-by-step explanation:

Equation of the line that passes through (-2, 8) with a slope of 0, can be written in point-slope form, [tex] y - y_1 = m(x - x_1) [/tex] and also in slope-intercept form, [tex] y = mx + b [/tex].

Using a point, (-2, 8) and the slope (m), 0, substitute x1 = -2, y1 = 8 and m = 0 in [tex] y - y_1 = m(x - x_1) [/tex].

Thus:

[tex] y - 8 = 0(x - (-2)) [/tex]

[tex] y - 8 = 0 [/tex]

Rewrite in slope-intercept form

[tex] y - 8 + 8 = 0 + 8 [/tex] (addition property of equality)

[tex] y = 8 [/tex]

The solution shown for the equation is incorrect. What is the correct​ solution? What is the​ error?
-5 (4 - r) = 15
-20 - 5r =15
-5r = 35
r = -7

Answers

r = 7 not -7
-5(4 - r) = 15
-5(4 - r)/-5 = 15/-5
4 - r = -3
4 - r - 4 = -3 - 4
-r = -7
-r/-1 = -7/-1
r = 7

What is the value of x?
In the drawing, lines g and h are parallel.
k
A
32
1200
g
B) 40
h
(2x - 470
42
D
58

Answers

Answer:

D

Step-by-step explanation:

Which angle has a measure equal to the sum of m∠SQR and m∠QRS?

∠RSC
∠SRE
∠DQS
∠QSR

Answers

Answer:

QSR

Step-by-step explanation:

Same letters so its the answer

Can someone help me with this

Answers

Answer:

Step-by-step explanation:

It pretty simple, you need to read the sentence and match the number.

Ex:

Seven more than one half = 7 more than 1/2

= 7+ 1/2

Because ‘more’ shows that you’re adding

While difference shows you’re subtracting

Quotient shows you’re dividing

And product shows you’re multiplying

And when it refers to ‘a number’ it means your variable which in this case is ‘n’.

What is the kinetic energy of a toy truck with a mass of 0.75kg and a velocity of 4 m/s (Formula: KE= 1/2mv2)​

Answers

Answer:6

Step-by-step explanation:

Helppppp will give the crown

Answers

-√121
10 1/11
10.13
10.2 repeating
-√121 - 10 1/11 - 10.13 - 10.2

Cheri has a box of cookies to share with her friends. If she gives each friend 6 cookies, she will have 1 cookie left over. If she gives each friend 4 cookies, she will have 29 cookies left over. How many friends does Cheri have?

Answers

30 because you ads the total remaining/

Select an expression that is equivalent to 3(n − 3) + 4. (1 point)

a
3n + 1

b
3n − 5

c
3n + 13

d
3n − 3

Answers

Answer:

C. 3n+13

Step-by-step explanation:

When you simplyfy 3(n-3)+4 you get 3n-9 +4, Then you add 4 to 9 since addition comes before subtraction and you would get the answer 3n+13.

If you answer this I'll mark you the brainest

Four bots are preparing for a final click battle.

Order the bots to show how they will place

Answers

Answer:

Bot C, A, D, and B

Step-by-step explanation:

Answer: c,a,d,b

Step-by-step explanation: c is the fastest a is second fastest d is third, b is last

need somebody that’s at mathematics. put your social media name below!

Answers

Answer:

Which social media do you have

a hexagon has interior angles the measure 127, 85, 121, 135, and 139 find the measure of the remaining angle.
Please help i need ths asap

Answers

Answer:

113º

(pls mark brainliest if possible)

Step-by-step explanation:

Hexagon has sum of interior angles as 720º

127+85+121+135+139+x=720

607+x = 720

x= 113º

answered
If y = 3x and 2x – 4y = 3, then x=

Answers

Answer:

x= -3/10

Step-by-step explanation:

putting value

2x - 4(3x) =3

2x- 12x = 3

-10x = 3

x = -3/10

5.5 cm
What is the circumference of this circle?
cm

Answers

Answer:

23.76

Step-by-step explanation:

The answer is 23.76

Mark me brainlist please don’t need 1 more

What is the value of n?
1131
nº
160°
A. 290
B. 490
C. 20°
D. 690

Answers

Answer:

c as 131 -180=49° is the answer

whats 1100 x 100,00 pls help

Answers

Answer:

110000

Step-by-step explanation:

PLEASE HELP ASAP:(.....

Answers

Answer:

5

Step-by-step explanation:

23 - 10 = 13

13 - 8 = 5

Answer:

5

Step-by-step explanation:

p = a + b + c

23 = 8 + 10 + c

23 = 18 + c

5 = c

PLEASE SOMEONE HELP ME. I WILL BRAINLIEST YOU AND GIVE YOU POINTS.

Answers

i’m pretty sure the answer is B

Answer:

option D is the answer

Step-by-step explanation:

3n + 5

_______

n² + 5

Every month, Ms. Thomas makes the same payment on her car loan. Each month she pays $125 for her car. How much money has she paid over 3 months?

Answers

Answer:

375 dollars.

Step-by-step explanation:

1 month's payment = $125

3 month's payment = 3*$125 = $375

Answer:

$375

Step-by-step explanation:

she paid 3 TIMES (125)

3x125= 375

hope this helps

I NEED HELP ASAP I WILL MARK YOU AS BRAINLYLIST

Answers

Answer:

Step 2 Hope this helps

Step-by-step explanation:

Answer:

step:2

Step-by-step explanation:

12x-6=14+2x it must be there.

HELP PLEASE!!! EASY I just haven't done algebra in a while so I forgot lol.
Two water bottles have capacities in the ratio 4 to 3. The larger bottle has 11 more gallons than the smaller one. How much water will the larger and smaller bottle hold?

Answers

Answer:

wait.. almost done...

Step-by-step explanation:

Answers:

Larger bottle = 44 gallons

Smaller bottle = 33 gallons

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

Explanation:

L = capacity of larger bottle

S = capacity of smaller bottle

Capacities are in gallons

We're told the ratio of these capacities is 4 to 3, meaning L/S = 4/3. Note how L goes first on top since 4 is the first number and it's larger than 3.

Cross multiply to get 3L = 4S. We can solve for S to get S = 3L/4.

----------------------------

We're also told that the larger bottle has 11 more gallons than the smaller one, so,

Larger = Smaller + 11

L = S+11

L = (3L/4) + 11 .... plug in S = 3L/4

4L = 4*(3L/4) + 4*11 ... multiply every term by 4

4L = 3L + 44 .... the fraction goes away afterward

4L-3L = 44 .... subtract 3L from both sides

L = 44

The larger bottle can hold 44 gallons

S = 3L/4

S = 3*44/4

S = 3*11

S = 33

The smaller bottle can hold 33 gallons

Note that L-S = 44-33 = 11 to show there's an 11 gallon difference between the larger and smaller bottles. We can also see that L/S = 4/3 is also true because 44/33 = 4/3. This confirms our answers.

what is the inverse of the function f(x)=2x^2-3

Answers

Write y=2x2+3 . Exchange x , y and solve for y. x= 2y2+3. y2=x−32. y = √x−32 is the required inverse function of f(x).

10 teachers mark 500 exam papers in 30 hours. How many teachers are needed to mark 600 exam papers in 25 hours

Answers

Answer:

Approximately 15 tea hees

Step-by-step explanation:

Given that:

Number of teachers needed to Mark 500 exam papers in 30 hours =

Hence, marking rate of each teachers ;

500 / (30 * 10) = 500 / 300 = 1.667 papers per hour

If teachers mark at this rate, the number of teachers which will be required to mark 600 exam papers in 25 hours ;

Let number of teachers = t

(Rate * number of hours * number of teachers) = number of exam papers to be marked

(1.6667 * 25 * t) = 600

41.666665t = 600

t = 600 / 41.666665

t = 14.40000

Number of teachers needed = about 15 teachers

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