Solve for x: 1/3(21-3x)=1/2(8-4x)

Answers

Answer 1

Answer:

x = -3

Step-by-step explanation:

[tex] \frac{1}{3} -(21 - 3x) = \frac{1}{2} (8 - 4x)[/tex]

[tex]21 - 3x = 3(4 - 2x)[/tex]

[tex]21 - 3 x = 12 - 6x[/tex]

[tex] - 3x + 6x = 12 - 21[/tex]

[tex]3x = - 9[/tex]

[tex]x = - 3[/tex]


Related Questions

Cavenger of 92 miles in 2 2/3 hours if he drove a constant rate how far did he travel in one hour enter your answer as a whole number proper fraction or mixed number in simplest form

Answers

Answer:

34 1/2 miles

Step-by-step explanation:

92 miles = 2 2/3 hours

x miles = 1 hour

92 ÷ 2 2/3 = 34.5

34.5 x 1 = 34.5

34.5 miles = 1 hour

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

15 lbs of meat will be divided into portions of 1/4 lb each. How many portions can be made?
PLZZ ANSWER

Answers

since it is being divided into a quarter of a pound each, that means 4 portions can be made for each pound

so 15x4=60

60 portions can be made

Sonia finished the 200-meter dash in 26.12 seconds. Gladys finished the 200-meter dash 1.08 seconds
faster than Sonia. How long did it take Gladys to run the 200-meter dash?
O 25.04 seconds
O 26.20 seconds
O 27.04 seconds
O 27.20 seconds

Answers

Answer:

25.04

Step-by-step explanation:

26.12-1.08

=25.04

Answer:

25.04

Step-by-step explanation:

For this problem we have to use subtraction

If Sonya finished the dash is 26.12 seconds and Gladys finished it 1.08 seconds faster, we have so subtract 26.12 by 1.08 to get her time

So we get 25.04

Hope this helps! :D

an odd interger can be represented by the expression n+ 2 where n is any odd integer find three consecutive odd intergerss that have a sum of - 51

Answers

Answer:

-15,-13,-11

n + (n+2) + (n+4) = -51

3n + 6 = -51

3n = -57

n = -19

-19,-17,-15

Step-by-step explanation:

__________________________________________________________________________________



__________________________________________________________________________________


_________________________________________________________________________________

Answers

Answer:

wow

Step-by-step explanation:

very interesting

Pablo works as a tutor and gets paid 6 an hour complete the table and graph to showthis relationship

Answers

Answer:  Total Pay = 6X

Step-by-step explanation:  This assunes the question wants to know how to calculate Pablo's earning for a given tutoring time.

Pablo's rate is $6/hr.  Set X to the number of hours of tutoring.  Pablo's total pay would be:

Total Pay = 6X

Final grades are often computed using weighted averages. Some college professors use complicated weighted averages. The college professor tells you he will give you a 33% to 67% split on grades between tests and homework where which ever average is higher will be the 67%. What was your final grade be if your homework average is 52 and your test average is 71?

Answers

Using weighed mean, it is found that the final grade is 64.73.

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

To find the weighed average, we multiply each grade by it's weight.

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

Since we want to find the weighed average, we have to identify in the text the grades, and it's respective weighs.

Grade of 71, with a weight of 67%(as it states in the text, the higher grade has a weight of 67%).Grade of 52, with a weight of 33%(as it states in the text, the lower grade has a weight of 33%).

Thus, the final grade is:

[tex]F = 71\times0.67 + 52\times0.33 = 64.73[/tex]

The final grade was of 64.73.

A similar problem is given at https://brainly.com/question/23731238

plzz solve the question ​

Answers

Answer:

a.8x^2+18x+9

8x^2+(9+2)x+9

8x^2+2x+9x+9

2x(4x+1)+9(x+1)

(2X+9)+(4x+1)+(x+1)

What is the slope of the line containing (–3, 1) and (1, –2)? A. 3/4B. –4/3 C. –3/4 D.4/3

Answers

C.-3/4................

What is the length of YZ?

Select the best answer from the choices provided.
A.4
B.4.58
C. 5.29
D.10

Answers

Answer: C

Hello,

Step-by-step explanation:

WZ=7-3=4

YW²=XW*WZ=3*4=12 ==> WY=2√3

In the right triangle YWZ, using the Pythagorean's theorem:

YZ²=WY²+WZ²=12+4²=28

YZ=2√7≅5.29150....

Answer C

a right triangle has a non hypotenuse side length of 45" and the hypotenuse measures 53". What is the length of the other non-hypotenuse side?

Answers

Answer:

28"

Step-by-step explanation:

the length of the other non-hypotenuse side =

√(53² - 45²) =√(2809-2025) =√784 = 28"

B=45H=53

Using Pythagorean theorem

[tex]\\ \rm\longmapsto P^2=H^2-B^2[/tex]

[tex]\\ \rm\longmapsto P^2=53^2-45^2[/tex]

[tex]\\ \rm\longmapsto P^2=2809-2025[/tex]

[tex]\\ \rm\longmapsto P^2=784[/tex]

[tex]\\ \rm\longmapsto P=\sqrt{784}[/tex]

[tex]\\ \rm\longmapsto P=28[/tex]

2/5 as a decimal show how you got the answer

Answers

Answer:

0.4

Step-by-step explanation:

To convert a fraction into a decimal, simply divide the numerator by the denominator.

2 ÷ 5= 0.4

I hope this helps you.

Answer:

.4

Step-by-step explanation:

2/5

Multiply by 2/2

2/5 *2/2

4/10

.4

I need help with this one

Answers

Factors always multiply each other.

The only option that multiplies something is (y^3 + 3)
So the answer is B.

Eexperts can you in step by step none is helping me plz​

Answers

Answer:

hope this help you

God bless you

Use function notation to write y=-.2x-1 and build a table to find f(-1), f(0), f(10)

Answers

Your answer would be F(0)=f(-1)

24)
12
21
X
84
91
28

Answers

Answer:

13

Step-by-step explanation:

12×7 = 84,

so the scale ratio is 1/7

now 91×1/7

= 91/7

= 13

If Greg can do a job in 6 hours, and pepper can do that same job in 5 hours, how long will it take to complete the job if they work together

Answers

5 hours and 30 minutes ya que ambos trabajaran la mitad del trabajo

Write the equation of the line in fully simplified slope-intercept form.

Answers

Answer:

[tex]y=-6x+2[/tex]

Step-by-step explanation:

Hi there!

Slope-intercept form: [tex]y=mx+b[/tex] where m is the slope and b is the y-intercept (the value of y when x=0)

1) Determine the slope (m)

[tex]m=\displaystyle \frac{y_2-y_1}{x_2-x_1}[/tex] where two points that fall on the line are [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]

Given the graph, we determine which points we could use. For example, we could use the two points [tex](0,2)[/tex] and [tex](1,-4)[/tex]:

[tex]m=\displaystyle \frac{-4-2}{1-0}\\\\m=\displaystyle \frac{-6}{1}\\\\m=-6[/tex]

Therefore, the slope of the line is -6. Plug this into [tex]y=mx+b[/tex]:

[tex]y=-6x+b[/tex]

2) Determine the y-intercept (b)

Recall that the y-intercept occurs when x=0. Given the point (0,2), we know that the y-intercept is 2. Plug this into [tex]y=-6x+b[/tex]:

[tex]y=-6x+2[/tex]

I hope this helps!

"You are growing like a weed!” D’rek's grandmother said to him when she saw him for the
first time in a year. If D’rek grew 8 inches over the last year, and an average dandelion (a
common weed) grows 0.1 inches in one day, is D’rek growing like a weed? Justify your
answer.

Answers

growth rate:

[tex]=\frac{8}{365}[/tex]Derek is not growing like a weed because the weed grows at 0.1 inch per day, while he grows at a rate of 0.022 inch per day.

The number of days in a year = 365

The question says that D'rek grew at the rate of 8 inches in the last year'

D'reks growth rate:

[tex]=\frac{8}{365}[/tex]

= 0.022 inch per day

From the calculation above, Derek is growing at the rate of 0.022 inch per day. But the question says that the weed grows at the rate of 0.1 inch per day

In conclusion, Derek is not growing like a weed, his growth rate differs from that of the weed.

Here is a similar question and solution https://brainly.com/question/1806491?referrer=searchResults

hey please help i’ll give brain

Answers

Answer:

7

Step-by-step explanation:

Using the commutative property of addition

a+b = b+a

6+7=7+6

He’s right it’s 7



Have a nice day

A car uses 8 litres of gasoline to travel 160 km. How much gasoline will the car use to travel 400 km?

Answers

Answer:

20 liters of gasoline

Step-by-step explanation:

Create a proportion where x is the amount of gasoline needed to travel 400 km:

[tex]\frac{8}{160}[/tex] = [tex]\frac{x}{400}[/tex]

Cross multiply and solve for x:

160x = 3200

x = 20

So, the car will use 20 liters of gasoline to travel 400 km.

Answer:

The car will use 20 liters of gas

Step-by-step explanation:

160KM/8L = 20KM per liter

400/20 = 20

pls answer my question ​

Answers

Hello!

In this question, you are finding the square root of 100-84.

The first thing you should do is do whatever is inside the square root sign. So, do 100-84:

100-84= 16

Now, you can take the square root of that number. Taking the square root means which number, when multiplied by itself, equal the number under the square root sign? In this case, the answer is 4!

This is because 4 multiplied by itself ( 4 times 4) is 16!

Answer: 4

I hope this helped! Comment if you have questions!

Answer:

have a great day

god is great


Determine what fraction of the square is shaded
Explain your reason

Answers

Answer:

is the picture moving or am I tripping

Step-by-step explanation:

I think 1/4

A car at a red light accelerates for 5 seconds and is now travelling 25 m/s. What was the car’s acceleration?

Answers

Answer:

5 m/s²

Step-by-step explanation:

t (time) = 5 s

u (initial velocity) = 0m/s

v (final velocity) = 25m/s

a = (v-u)/t

a = (25-0)/5

a = 25/5

a = 5 m/s²

Help!!!!
B=
P=
H=
LA=
SA=
V=

Answers

Answer:

Given a cube with the side of 7 in

Base area:

B = a² = 7² = 49 in²

Perimeter:

P = 4a = 4*7 = 28 in

Height:

H = a = 7 in

Lateral area:

LA = 4a² = 4*49 = 196 in²

Surface area:

SA = 6a² = 6*49 = 294 in²

Volume:

V = a³ = 7³ = 343 in³
Side=a=7inArea of base:-

[tex]\\ \sf\longmapsto a^2=7^2=49in^2[/tex]

Perimeter :-

[tex]\\ \sf\longmapsto 4a=4(7)=28in[/tex]

Height:-

As its a cube height=side=7in

Lateral surface area :-

[tex]\\ \sf\longmapsto 4a^2=4(7^2)=4(49)=196in^2[/tex]

Total Surface Area:-

[tex]\\ \sf\longmapsto 6a^2=6(7^2)=6(49)=294in^2[/tex]

Volume:-

[tex]\\ \sf\longmapsto a^3=7^3=343in^3[/tex]

Slove 3(t-3)=5(2t-1)​

Answers

Answer:

t = 7/-4 OR -1 3/4

Step-by-step explanation:

3(t - 3) = 5(2t - 1)​

3t - 9 = 10t - 5

(3t - 3t) - 9 = (10t - 3t) - 5

-9 = 7t - 5

-9 + 5 = 7t (- 5 + 5)

-4 = 7t

-4/-4 = 7t/-4

t = 7/-4 OR -1 3/4

Please help basic Geomerty question!

Answers

Answer:

Point B :(6, 7)

Step-by-step explanation:

Point B:(x, y)

1= - 4+x/2

2= - 4+x

x=6

7.5= 8+y/2

15= 8+y

y=7

if tanA=1/3, tanB=-1/2, find the value of A+B

Answers

hope it helps you.........

Find the supplement of 122 degrees 45'

Answers

Answer:

Step-by-step explanation:

Supplement angle is 57degree 15'

Please Help!!!

write the expression as the sine or cosine of an angle.

sin 3x cos x - cos 3x sin x

Answers

Answer:  sin(2x)

In other words, you'll type "sin" without quotes in the green box.

Also, you'll type "2" in the gray box, which also won't have quotes.

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

Explanation:

We'll use the first hint. Note the pattern of sin cos +-  cos sin which matches (somewhat) with the original expression.

Specifically, we'll use this identity

sin(A - B) = sin(A)cos(B) - cos(A)sin(B)

In this case, A = 3x and B = x

So,

sin(A - B) = sin(A)cos(B) - cos(A)sin(B)

sin(A)cos(B) - cos(A)sin(B) = sin(A - B)

sin(3x)cos(x) - cos(3x)sin(x) = sin(3x - x)

sin(3x)cos(x) - cos(3x)sin(x) = sin(2x)

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