If 8x-4=12;then 2x - 1=

Answers

Answer 1

Answer: 21

Step-by-step explanation:

Answer 2

Step-by-step explanation:

tbh I have no idea

doing this for points

so yeah


Related Questions

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.

Answers

Answer:

8/12 or 2/3

Where the first number is on the top and vice versa.

Step-by-step explanation:

Chloe rolled 2 dice. Given that one die showed a 6, what is the probability that she rolled double 6? (Hint: Conditional Probability)

Answers

Answer:

1/6

Step-by-step explanation:

since they already tells us six has been rolled already, we depend on the second which can only show 1-6. There are six numbers so the answer is 1/6

Kristian spends 45% of his $ 75 on a game. What is the price of the game​

Answers

Answer:

The price of the game is 33.75

Step-by-step explanation:

45% of 75

.45 * 75

33.75

The price of the game is 33.75

How I solve equations like these is by multiplying the percent (45) by the whole (75) and dividing the product ( 3375) by 100. In this case 75 is equal to 100 because 75 is the whole.

Someone please helppp

Answers

Answer:

112

Step-by-step explanation:

A quadratic can be written in the form

ax^2 +bx +c

-3x^2 +4x+8  

a = -3  b = 4  c = 8

the discriminant is

b^2 -4ac

(4)^2 - 4(-3) (8)

16+96

112

Answer:

112

Step-by-step explanation:

Discriminant = b² - 4ac

Substitute the values for the variables.

[tex](4)^2-4(-3)(8)\\16-4(-24)\\16-(-96)\\16+96\\112[/tex]

PLS HELP NE ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!!

Answers

Answer:

314 in³

Step-by-step explanation:

Volume of a cone,

(1/3)×πr²h

= (1/3)×3.14×5²×12

= 314 in³

Simplify 2m^2 – 2m + 3m^2

Answers

Answer:

5m^2-2m

Step-by-step explanation:

2m^2-2m + 3m^2

5m^2-2m

Answer:

5m² - 2m

Step-by-step explanation:

Given

2m² - 2m + 3m² ← collect like terms

= (2m² + 3m²) - 2m

= 5m² - 2m

-x/c=6.5
I need to solve for x first then c

Answers

Answer:

[tex]x = -6.5c[/tex]

[tex]c = -\frac{x}{6.5}[/tex]

Step-by-step explanation:

In both cases, you are simply isolating the variable you are trying to solve for:

[tex]\frac{-x}{c} = 6.5[/tex]

Solve for x. Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. First, multiply c to both sides, and then divide -1 from both sides:

[tex]\frac{-x}{c} = 6.5\\\frac{-x}{c} * c = 6.5 * c\\-x = 6.5c\\\frac{-x}{-1} = \frac{6.5c}{-1}\\x = -6.5c[/tex]

Solve for c. Isolate the variable, c. Note the equal sign, what you do to one side, you do to the other. Multiply -1/x to both sides of the equation:

[tex]\frac{-x}{c} = 6.5\\\frac{-x}{c}(c)) = 6.5(c) \\-x = 6.5c\\\frac{-x}{6.5} = \frac{6.5c}{6.5}\\c = -\frac{x}{6.5}[/tex]

Answer:

x = -6.5c

-x/6.5 = c

Step-by-step explanation:

-x/c=6.5

Multiply each side by -c

-x/c * -c=6.5*-c

x = -6.5c

-x/c=6.5

Multiply each side by c

-x/c *c=6.5*c

-x = 6.5c

Divide each side by 6.5

-x/6.5 = 6.5c/6.5

-x/6.5 = c

elizabeth simplified the following expression explan what she did wrong xy3.x2=xy.xy.xy.x.x=x.x.x.x.x.y..y=x5y2

Answers

Answer:

x^3y^3

Step-by-step explanation:

She made the mistake of multiplying 'x' 5 times

=> xy3.x2 = xy.y.y.x.x = x.x.x.y.y.y = x^3y^3

The Anderson family wants to look at their cash flow over a year. They decide to write out their cash flow for 4 months as given in the spreadsheet below. In which of the months did they have the greatest net cash flow? A 5-column spreadsheet showing cash inflows and outflows over a year. Total cash inflow: January, 2,760 dollars; April, 3,060 dollars; August, 2,760 dollars; December, 2,900 dollars. Total cash outflow: January, 2,435 dollars; April, 2,675 dollars; August, 2,670 dollars; December, 3,000 dollars. a. January b. April c. August d. December

Answers

Answer:

It is B. April

Step-by-step explanation:

The Anderson family greatest cash flow for the year is April

How to find greatest cash flow

Total cash inflow:

January, 2,760 dollarsApril, 3,060 dollarsAugust, 2,760 dollarsDecember, 2,900 dollars

Total cash outflow:

January, 2,435 dollarsApril, 2,675 dollarsAugust, 2,670 dollarsDecember, 3,000 dollars

Cash flow:

January = 2,760 dollars - 2,435 dollars

= $325

April = 3,060 dollars - 2,675 dollars

= $385

August = 2,760 dollars - 2,670 dollars

= $90

December = 2,900 dollars - 3,000 dollars

= $ -100

Learn more about cash cash flow:

https://brainly.com/question/735261

A house was bought for $450 000 and 3 years later was valued at $540 000. Find: a. The new value as a percentage of the old value b. The increase in value over the three year period c. The increase in value as a percentage of the original value

Answers

Answer:

A) The percentage is given by (The new value)/(The old value)*100 = 120%

B) The increase in value is $90000

C) The increase as a percentage is (90000/450000)*100=20%

a. The new value is 120% of the old value.

b. The increase in value over the three-year period is $90 000.

c. The increase in value over the three-year period is 20% of the original value.

What is the percentage?

The percentage is defined as a ratio expressed as a fraction of 100.

a. To find the new value as a percentage of the old value, we can divide the new value by the old value and multiply by 100 to get a percentage:

New value as a percentage of old value = (New value / Old value) x 100%

= ($540 000 / $450 000) x 100%

= 120%

Therefore, the new value is 120% of the old value.

b. To find the increase in value over the three-year period, we can subtract the old value from the new value:

Increase in value = New value - Old value

= $540 000 - $450 000

= $90 000

Therefore, the increase in value over the three-year period is $90 000.

c. To find the increase in value as a percentage of the original value, we can divide the increase in value by the old value and multiply by 100 to get a percentage:

Increase in value as a percentage of original value = (Increase in value / Old value) x 100%

= ($90 000 / $450 000) x 100%

= 20%

Therefore, the increase in value over the three-year period is 20% of the original value.

Learn more about the percentages here:

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ILL MARK BRAINIEST IF YOU DO THIS CORRECTLY!!!

Answers

Hmmm im on the same question so i think its this

Would √x+6 -4 = x be an extraneous solution? The x + 6 are under the radicands line.

Answers

[tex] \sqrt{x + 6 } = x + 4[/tex]

now square both side

how many permutations can be made with the letters in the word Metallica

Answers

Answer:   90720

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

Explanation:

There are 9 letters in "Metallica", so there would be 9! = 9*8*7*6*5*4*3*2*1 = 362880 different permutations; however, this is only the case if we could tell the letters L and A apart.

We have two copies of each of those repeated letters, so we have to divide by 2!*2! = (2*1)*(2*1) = 4 to account for these repeats.

Because we can't tell the repeated letters apart, we really have (9!)/(2!*2!) = (362880)/(4) = 90720 different permutations.

f(x) =-x^2+x+13
find f(9)

Answers

Answer:

f(9) = - 59

Step-by-step explanation:

Substitute x = 9 into f(x) , that is

f(9) = - (9)² + 9 + 13

     = - 81 + 22

    = - 59

Answer:

-59

Step-by-step explanation:

f(x) =-x^2+x+13

Let x = 9

f(9) = - (9)^2 +9+13

       = -81 +9+13

      = -59

A parallelogram has one angle that measures 93°. What are the measures of the other three angles in the parallelogram?

Answers

Answer:

huhuhuhhu

Step-by-step explanation:

ubuuhuhhuhuhuhuhuhuuuhu

Answer:  93, 87 and 87

Explanation:

The given angle is 93 degrees. The angle opposite this is also 93 degrees. Opposite angles of any parallelogram are always the same measure.

Another rule to keep in mind is that: any two adjacent angles add to 180

So if x is adjacent to 93, then 93+x = 180 solves to x = 87. The other two angles, opposite one another, are 87 degrees each.

The diagram is below.

4. 19 feet to inches

Answers

19feet in inches is 228
4.19 ft. = 50.28 in.

look at the image below

Answers

Answer: what’s the question ?

Can you answer this, please?

Answers

Answer:

-x² + 13x + 2

Step-by-step explanation:

you are on ambitious level, and you cannot answer that yourself ? that is trivial. truly. no hidden traps, just straight forward adding and simplifying. what is the problem, please ?

-7x² + 6x² = -x²

5x + 8x = 13x

-1 + 3 = 2

Answer:

3rd option

Step-by-step explanation:

Given

(- 7x² + 5x - 1) + (6x² + 8x + 3) ← remove parenthesis

= - 7x² + 5x - 1  + 6x² + 8x + 3 ← collect like terms

= - x² + 13x + 2

The table below shows the results from a study that compared speed (in miles per hour) and average fuel economy (in miler per gallon) for cars. Find a quadratic model for the data.

0.008
y=13.472x
2
+0.746x−0.008

y
=
25.836
x
+
0.049
y=25.836x+0.049

y
=

.
008
x
2
+
0.746
x
+
13.472
y=−.008x
2
+0.746x+13.472

y
=
0.049
x
+
25.836
y=0.049x+25.836

Answers

Note that the  quadratic model for the data is  y = -0.008x² + 0.75x + 13.47.

How is this so  ?

Here are the steps on how to  find a quadratic model for the data.

Make a   scatter plot of the data. The points should form an inverted U-shape. This suggests a quadratic model.Use the quadratic regression feature on your graphing calculator to find an equation of the model.

Here is the output of the quadratic regression feature on my graphing calculator

y = -0.008x² + 0.75x + 13.47.

where  -

x is the speed in miles per hour

y is the fuel economy in miles per gallon.

Learn more about Quadratic equation at:

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can someone please help me? this is confusing

Answers

Answer:

S=(-2, -9)

T=(-8, -9)

U=(-9, -5)

V=(-6, -5)

Step-by-step explanation:

rotating counter clockwise 90 degrees has a simple formula: (-y, x) simply take your ordered pair and rearrange it to match this formula.

ex. (3, 4) would become (-4, 3)

(-y, x) the negative symbol in front of the y means to switch the sign from either positive or negative to its opposite. since there is no symbol in front of the x you keep that numbers sign the same.

help me please :( just tell me the answer :'3

Answers

The best answer would be option 2.

The 2nd choice is the correct statement.

The maximum is 149 inches.

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!
The data value that occurs most often in the data set is the ____________.
A. mean
B. median
C. mode
D. range

Answers

The answer is C. Mode
ANSWER: Mode (C)

EXPLANATION:
In order to understand which one of these mean the data value the occurs the most, you need to know the definition for these basic math terms.

Mean= Average of All Numbers Given
Median= Middle Number (From Least to Greatest)
Mode= Number That Occurs the Most
Range= The Subtraction of the Smallest Number to the Biggest Number

what is an equation of the line that passes through the points (-6,-5) and (-4 -6)​

Answers

Answer:

y=-2x-15

Step-by-step explanation:

first find the slope. the formula for finding slope is (y_1 - y_2)/(x_1 - x_2) (rise over run) so we plug in the values and get (-6+4)/(-5+6)= -2/1=-2 so m=-2 and we have y=-2x+b. then plug in either point for x and y and solve for b. -5= -2*-5 +b, -5= 10+b, b=-15, y=-2x-15

Answer:

y=-0.5x-8

Step-by-step explanation:

i got it right

v+19= 36
----------------

Answers

Answer:

17

Step-by-step explanation:

v+19=36

v=36-19

v=17

V= 17 because v is just 36 - 19

The length of a room is two times its breadth and three times its height . if the cost of white wash on the 4 wall at Rs. 50 per m² is Rs. 7200, find the cost of carpeting its floor at Rs. 325 per m²​

Answers

Answer:

Step-by-step explanation:

let the height of the room(h) = x

Length(l) = 3*x = 3x

length = 2 * breadth

breadth(b) = length /2 = 3x/2

Cost of whitewashing the 4  walls = ₹ 7200

Area of 4 walls = 7200 ÷ 50 = 144 m²   ------(I)

Area of walls = 2lh + 2bh

                      = 2*3x*x + 2  *[tex]\frac{3x}{2}[/tex] * x

                       = 6x² + 3x²

                        = 9x²

9x² = 144    {From (I)}

x²  = 144/9

x²  = 16

x = [tex]\sqrt{16}=\sqrt{4*4}[/tex]

x = 4 m

height = 4 m

length = 3*4 = 12m

Breadth = [tex]\frac{3}{2}*4=3*2=6 \ m[/tex]

Area of floor = l*b

                    = 12 * 6

                    = 72 m²

Cost of carpeting the floor = 72 * 325 = ₹ 23400

Pleaseeeeee

Within 9 hours, the number of stars seen went from 190 to 33 as the sun started to rise. Find out how many stars are getting hidden by the sunlight each hour.

Answers

Answer:

Approximately 17

Step-by-step explanation:

Number of starts getting hidden in 9 hours = 190 - 33

= 157

Therefore the nun of starts getting hidden in 9 hours is 157

9 hours = 157 stars

1 hours = x

Cross multiply

9 × x = 157 × 1

9x = 157

Divide both sides by 9

x = 157 ÷ 9

x = 17.4

Therefore 17.4 stars are getting hidden every hour.

Answer:

17 4/9 stars per hour

Step-by-step explanation:

First find the decrease in the number of stars

190-33 = 157

Divide by the hours that passed

157/9

17 4/9 stars per hour

Find the value of z.

Answers

Answer:

Option D, 110

Step-by-step explanation:

first we find x

10x+20-80=2(2x+15)

or, x=15

now, 10x+20 = 170

so, z = 360-170-80 = 110

exercise 20.1.1 factorize the following expression (a)6x+3 how to solve it​

Answers

Step-by-step explanation:

3(2x+1) in this factorize 4 is common .so the answer is 3(2x+1)

Which of the following numbers are irrational numbers? Please choose all that apply.

Question 2 options:

−67−−√

13

0.6

π

Answers

Pie it has no ending

Write your answer as a polynomial or a rational fraction in simplest form ​

Answers

Answer:

- 4x^2-15x

Step-by-step explanation:

(f-g)(x) = f(x) - g(x) = - 3x^2-8x-x^2-7x = - 4x^2-15x

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If any type of rock experiences intense heat and pressure, it changes into __________ rock. explain the importance of measurement in our daily life point O is at a distance named K from the line D. What should be the value of K if we want to find three points that their distance from line D is 4cm and from point O is 6cm?1)42)83)24)3and please tell me how to solve this, I'll mark you the brainliest Which of the following best describes how animals and plants react to the spread of disease in a certain environment? The number of predators increases. The number of prey increases. They may struggle to survive. They move to new locations. what is the meaning of verb 4. What is malaria? Discuss. Highlight the impact of malaria on pregnant women and children under five years marks) (15 PRESS THE PHOTO NEED HELP!!! 30 POINTS Stephen believes that the development of personality is based on the interaction of conflicting mental systems that represent deep instincts and desires; social rules and demands; and guidelines and codes of conduct. His view is consistent with the _____ approach to personality. 3. Find the product, using suitable properties :a) 26 x (-48) + (-48) x (-36)b) 625 x (-35) + (-625) x 65please answer fast 10 marks Solve for e 16-3e=7/5e+11.6 Can someone help me with this please !! You have a basket. But it's not just any basket. It's a basket that can hold an infinite number of apples. So you take your infinite stash of apples and fill the infinite basket, so now you have an infinite amount of apples in an infinite basket. But then you get another infinite stash of apples. Would it be possible to fill the infinite basket with more infinite apples, even tho the basket already has an infinite amount of apples in it? Shane and Abha earned a team badge that required their team to collect no less than 2000 cans for recycling. Abha collected 178 more cans than Shane did.Write an inequality to determine the number of cans, S, that Shane could have collected.What is the solution set of the inequality? Convert 16.7 inches to yards (there are 3 feet in a yard) Using the method of dimensional analysis Write a python program to calculate the sum of numbers from 1 to 20 which is divisible by 3. What two languages besides Spanish are spoken in L.A Power Function:Analyze and model the power function: Exercise 1(Correctly identify the function and later use it to answer the questions asked, including the development and the answer) Does a rhetorical question need an answer?A. Yes, a long answerB. NoC. Yes, followed by another questionD. Yes, a short one question is down below 9. PLEASE HELP MEWhich of the following are the coordinates of the vertex of y= 3x2 + 3?A. (3, 0)B. (3, 3)C. (3, 3)D. (0, 3)