Solve for x
9 (x +2) < 3(3-5)

Answers

Answer 1

Step-by-step explanation:

9x+18 < 9-15

1)9-15= -6

9x+18 < -6

9x+18= -5

9x= (-5) - 18

9x= -23

x= 23/9=2 5/9

X=2,55556


Related Questions

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

Answers

Answer:

No solution for x!!!!!!!!!

Answer:

There is no solution

Step-by-step explanation:

Suppose that 50% of the subscribers of a cable television company watch the shopping channel at least once a week. The cable company is trying to decide whether to replace this channel with a new local station. A survey of 100 subscribers will be undertaken. The cable company has decided to keep the shopping channel if the sample proportion is greater than 0.585. What is the approximate probability that the cable company will keep the shopping channel, even though the true proportion who watch it is only .50? (Round the answer to four decimal places.)

Answers

Answer:

The probability  is  [tex]P( p  >  0.585) =  0.044565  [/tex]

Step-by-step explanation:

From the question we are told that

   The population proportion is p =  0.50

   The sample size is n = 100

Gnerally the mean of the sampling distribution is  

          [tex]\mu_x =  0.50[/tex]

Generally the standard deviation of the sampling distribution is  

              [tex]\sigma  =  \sqrt{\frac{p(1- p)}{n} }[/tex]

=>            [tex]\sigma  =  \sqrt{\frac{0.5 (1- 0.5)}{100} }[/tex]

=>            [tex]\sigma  =0.05[/tex]

Generally the approximate probability that the cable company will keep the shopping channel

[tex]P( p  >  0.585) =  P(\frac{p- \mu_{x}}{\sigma }  > \frac{0.585 - 0.50}{0.05} )[/tex]

Generally  [tex]\frac{p- \mu_{x}}{\sigma } = Z (The  \  standardized \  value  \  of  p )[/tex]

=>  [tex]P( p  >  0.585) =  P(Z > 1.7 )[/tex]

From the z-table the probability of  (Z > 1.7 ) is  

       [tex]P(Z > 1.7 ) = 0.044565[/tex]

So [tex]P( p  >  0.585) =  0.044565  [/tex]

     

which answer is it ?

Answers

Answer:

168 cubic in.

Step-by-step explanation:

Volume of a rectangular pyramid: (l × w × h) / 3 or × 1/3.

Volume: (7 × 8 × 9) / 3

(504) /3

V = 168 cubic in.

Jenny is solving the equation 3 x + 5 = 4 x + 2 using algebra tiles. She cannot decide if she should add 3 negative x-tiles or add 2 negative unit tiles to both sides first. Which explains which Jenny should do first?

A.She should add 3 negative x-tiles first because that is the only way to isolate the variable.

B.She should add 2 negative unit tiles first because that is the only way to get to the correct solution.

C.She can do either one first because zero pairs will be created to isolate the variable either way.

D.She should do neither one first because the first step is to add 4 negative tiles to both sides.

Answers

Answer:

Step-by-step explanation:

A

Answer:

A She should add 3 negative x-tiles first because that is the only way to isolate the variable. Is the correct answer

Step-by-step explanation:

Hope this helps! :)

Convert 65 inches to feet.

Answers

Answer:

780 in

Step-by-step explanation:

65*12=780

Answer:

5 ft 5in (5.41667 ft)

Step-by-step explanation:

divide by 12 using long division and use remainder for inches. Or divide 65 by 12 and use decimal value. Hope this makes sense.

4. Write the equation in Slope-Intercept Form for the line that passes through (-3,
-7) and (-5, -7). Write the equation in the form, y=mx+b, no spaces

Answers

Answer:

y=0+-7 (I think)

Step-by-step explanation:

find slope: -7-(-7)/-5-(-3):

y=0+b: -7=b

check: -7=0*-3+-7

-7=-7 which is true.

What is the domain of the function y=tan(x/8)?

Answers

Using it's concept, it is found that the domain of the function y = tan(x/8) is given by:

All real numbers except [tex]x \neq 4\pi + 8n\pi[/tex], where n is any integer.

What is the domain of a function?

It is the set that contains all possible input values for the function.

Tangent of an angle is sine of the angle divided by the cosine of the angle, and the cosine is 0 at:

[tex]\frac{\pi}{2} + n\pi[/tex]

Hence, supposing a composite tangent function [tex]\tan{[f(x)]}[/tex], the domain is given by:

[tex]f(x) \neq \frac{\pi}{2} + n\pi[/tex]

In this problem, we have that [tex]f(x) = \frac{x}{8}[/tex], hence the domain is:

[tex]\frac{x}{8} \neq \frac{\pi}{2} + n\pi[/tex]

[tex]x \neq 4\pi + 8n\pi[/tex]

All real numbers except [tex]x \neq 4\pi + 8n\pi[/tex], where n is any integer.

More can be learned about the domain of a function at https://brainly.com/question/27730656

#SPJ2

Answer:

It's B

Step-by-step explanation:

need help to find the Value of X​

Answers

Answer:

83

Step-by-step explanation:

All sides of a triangle combined equal 180 so you would add the values you have and then subtract it from 180

Step-by-step explanation:

We know that:-

All angles of a triangle sum up to give 180°.

So, According to Question,

[tex]20 + 87 + x = 180[/tex]

[tex]107 + x = 180[/tex]

[tex]x = 180 - 107[/tex]

[tex]x = 73[/tex]

So, x = 73° is the answer.

Hope it helps :)

Please help on this: Given: 4c-d = f, d = c-e, f = d + e; Prove: 3c = d

Answers

Answer:

Step-by-step explanation:

Given the equations:

4c-d = f  ....... 1

d = c-e....... 2

f = d + e....... 3

Substitute 2 into 1

4c -(c-e) = f

4c -c + e =f

3c + e = f ......4

Substitute equation 3 into 4:

3c+e = d+e

subtract e from both sides

3c+e-e = d+e-e

3c = c (Proved)

The Art Club at Northwest Middle School is selling candy bars as a fundraiser. The box plots below show the number of candy bars the members of the Art Club sold in the first two weeks of the fundraiser. Select all of the following statements that are true about the Art Club’s candy bar sales.

Answers

there's no picture to go based on

Answer:

no pic

Step-by-step explanation:

8.118 times 12 (I got it wrong multiple times)

Answers

Answer:

97.416Step-by-step explanation:

Graph 4/3 on the number line.

Answers

Answer:

The line on the right, closest to 1.

Step-by-step explanation:

We know since it is four thirds, that it is more than 1. That shows us it'll be at least on or over the 1 point.

Then we have one third, there's three points. Put it on the first point leading to 2.

3x -10+ 4x= -2 (x-4) +9

Answers

Answer:

x = 3

Step-by-step explanation:

Step 1: Write equation

3x - 10 + 4x = -2(x - 4) + 9

Step 2: Solve for x

Distribute -2: 3x - 10 + 4x = -2x + 8 + 9Combine like terms: 7x - 10 = -2x + 17Add 2x to both sides: 9x - 10 = 17Add 10 to both sides: 9x = 27Divide both sides by 9: x = 3

Step 3: Check

Plug in x to verify it's a solution.

3(3) - 10 + 4(3) = -2(3 - 4) + 9

9 - 10 + 12 = -2(-1) + 9

-1 + 12 = 2 + 9

11 = 11

The answer is

7x-10=-2x+8+9
7x-10=-2x+17
7x+2x=17+10
9x=27
x=3

PLS HELP AHHHHHH !!!

Answers

Answer:

0

Step-by-step explanation:

It's counting up by 2 so it would go -10,-8,-6,-4,-2,0,2,4,6,8... and so on

Hope this helped :)


Zachary's dad gave him $80 for cleaning out the garage. He used the money to buy a $14.50 book and three games that cost $8.20 each. Zachary also
bought lunch for himself.

If Zachary went home with 1/4 of the money his dad gave him, how much was his lunch?

Answers

Answer:

lunch was $20.90

Step-by-step explanation:

Define the word expression to me. Use proper English and complete sentences.

Answers

Answer:

a finite combination of symbols that is well-formed according to rules that depend on the context

Step-by-step explanation:

why do i feel like you have the same math teacher as me he asked me the same question on google classroom anyways hope this helps

If a relation is a function, that means that each input has ____ output(s).
a. exactly one
b. two
c. several

Answers

Answer:

a exactly one

Step-by-step explanation:

A function takes an input of a whole number and if the number is less than 10, multiplies it by 5. If the input number is greater than or equal to 10, subtracts 5 from the input. If I input the numbers 8 and 14 into the function, what outputs should I expect to return?

Answers

Answer:

When you input 8, the output will be 40

When you input 14, the output will be 9

Step-by-step explanation:

let the function = fn

If    fn < 10,       then output = 5(fn)

If    fn  ≥ 10,   then, Output =  fn - 5

When you input 8 ( 8 is less than 10, then multiply by 5)

fn = 8  and 8 < 10

Output = 5(fn)

Output = 5 x 8

Output = 40

When you input 14 ( 14 is greater than 10, then subtract 5 from the input)

Output = fn - 5

Output = 14 - 5

Output = 9

i need help with this plz

Answers

Answer:

A. The 14 in the expression could be changed to 28

Because 40% of 70 is 28

Explain how the Distributive Property can be used to solve the equation.
3(x + 4) = 36

Answers

Answer:

3(x+4)=36 is the same as 3x+12=36

If 3x+12=36, that means x=8

36-12= 24

24/3=8

Step-by-step explanation:

Algebra:
G = z-s/r solve for z

Answers

Answer:

z=gr+s/r

Step-by-step explanation:

Hope this helps :)

You have ​$70 in your bank account. Each week you plan to deposit ​$7 from your allowance and ​$10 from your paycheck. The equation b = 70 + ​(10 + 7​)w gives the amount b in your account after w weeks. How many weeks from now will you have ​$185 in your bank​ account?

Answers

Answer:

After 7 weeks from now you will have ​$185 in your bank​ account.

Step-by-step explanation:

We are given that you have ​$70 in your bank account. Each week you plan to deposit ​$7 from your allowance and ​$10 from your paycheck. The equation b = 70 + ​(10 + 7​)w gives the amount b in your account after w weeks.

The equation is given by;

b = 70 + (10 + 7)w

Now, in the question, it is given that you have ​$185 in your bank​ account, that means;

$185 = $70 + $17w

Finding the value of w(weeks);

$17w = $185 - $70

$17w = $115

w = [tex]\frac{\$115}{\$17}[/tex]

w = 6.76 weeks or 7 weeks (approx).

Hence, after 7 weeks from now you will have ​$185 in your bank​ account.

Solve.
6-7x= 7x- 9x - 4
The value of x is _.

Answers

Answer:

x = 2

Step-by-step explanation:

Step 1: Write equation

6 - 7x = 7x - 9x - 4

Step 2: Solve for x

Combine like terms: 6 - 7x = -2x - 4Add 7x to both sides: 6 = 5x - 4Add 4 to both sides: 10 = 5xDivide both sides by 5: 2 = xRewrite x = 2

Step 3: Check

Plug in x to verify it's a solution.

6 - 7(2) = 7(2) - 9(2) - 4

6 - 14 = 14 - 18 - 4

-8 = -4 - 4

-8 = -8

Isolate the variable by dividing each side by factors that don't contain the variable.
x
=
2

What’s the quotient of 23!divided by 7

Answers

Answer: 3 remainder of 2

I can confirm this is correct .

Somebody please help!

Answers

Answer: You need to combine like terms the answer is 2y+2x

Answer:

2y + 2x

Step-by-step explanation:

I assume the question was to simplify/combine

A store is having a sale on games. The sale is buy one game, get one 50% off. The original price of one game is $17.48. David bought several games, and the total cost was $69.92. How many games did David buy?​

Answers

Answer:

I think its 5 games.

Step-by-step explanation:

:)

what is a polygon. explain

Answers

Answer:

A plane figure with at least having three side and angles.

Step-by-step explanation:

typically five or more than five.

A polygon is figure with at least three straight sides and angles, and typically five or more.

When you multiply a whole number by this number, n, it will decrease the
value.
Which of the following values could represent n?
I. 13
3
un
II.
III. 0.98
IV. 1.05

Answers

Answer:III/ 0.98

Step-by-step explanation: if you multiply a number by a decimal (not like 1.55, since that would increase the value since there is a whole) it will decrease.

Answer:

0.98

Step-by-step explanation:

because if you do 6 x 0.98 you get 5.88

7th grade help me plzz

Answers

Answer: I think C

..............................

Fernanda needs to find a table that will fit three cube-shaped cases, each containing a small animal , if the volume of each case is 1,000 cubic inches, could she use a table with a top that measures 2 2/1 feet long and foot wide (hint there r 12 inches in afoot

Answers

Answer:

What kind of name is fernanda lol

Step-by-step explanation:

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