The value of n from the set {6, 7, 8, 9} that holds true for 4n − 12 < 2n + 2 is .

Answers

Answer 1

Answer:

6

Step-by-step explanation:

4n - 12 < 2n + 2 is for n=6

4×6 -12 < 2×6 +2

24 - 12 < 12 + 2

12 < 14 correct

for n=7

4×7 - 12 < 2×7 + 2

16 < 16 incorrect

for n=8

4×8 - 12 < 2×8 + 2

20 < 18 incorrect

for n=9

4×9 - 12 < 2×9 + 2

24 < 20 incorrect

so, only for n=6 is the expression true.

Answer 2

Answer:

6

Step-by-step explanation:

4n - 12 < 2n + 2 is for n=6

4×6 -12 < 2×6 +2

24 - 12 < 12 + 2

12 < 14 correct

for n=7

4×7 - 12 < 2×7 + 2

16 < 16 incorrect

for n=8

4×8 - 12 < 2×8 + 2

20 < 18 incorrect

for n=9

4×9 - 12 < 2×9 + 2

24 < 20 incorrect

so, only for n=6 is the expression true.Step-by-step explanation:


Related Questions

Determine which of the lines if any are parallel or perpendicular

Answers

Answer:

Parallel: 6, 1

Perpendicular6,. 1

What is the equation of the line that passes
through the points (8,7) and (-1, -9)?

Answers

Answer:

y = 16/9x - 7 2/9

Step-by-step explanation:

lmk if you want an explanation

PLZ HELP
How would you graph the solution set of x - 2 > 5?

Open circle on 7 and shaded to the right.
Closed circle on 7 and shaded to the right.
Open circle on 7 and shaded to the left.
Closed circle on 7 and shaded to the left.

Answers

Answer:

look up demos, it works like a charm everytime!

Step-by-step explanation:

hope this helps :)

my Christmas present to you​

Answers

Answer:

THX santa

Step-by-step explanation:

Solve for x if log(2x-7) = 0

Answers

Answer:

x=4

Step-by-step explanation:

log(2x-7) = 0

10^[log(2x-7)] = 10^0

2x-7 = 1

2x = 8

x = 4

I need help bro please I love you

Answers

Answer:

The first one ( y<-8 or y>4 )

Step-by-step explanation:

Answer:

y< -8 or y > 4

Step-by-step explanation:

Interval Notation:

(-∞,-8)∪(4,∞)

5
9
(
F

32
)

The equation above shows how temperature
F
, measured in degrees Fahrenheit, relates to a temperature
C
, measured in degrees Celsius. Based on the equation, which of the following must be true?

A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of
5
9
degree Celsius.
A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.
A temperature increase of
5
9
degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only

Answers

Answer:

A

Step-by-step explanation:

BECAUSE ITS EZ

(−7c+8d)0.6

khan academy pls help.

Answers

Answer:

[tex]\sf -4.2c+4.8d[/tex]

Step-by-step explanation:

[tex]\sf \left(-7c+8d\right)\cdot \:0.6[/tex]

[tex]\sf 0.6\left(-7c+8d\right)[/tex]

Apply distributive property

[tex]\sf 0.6\left(-7c\right)+0.6\times \:8d[/tex]

[tex]\sf -4.2c+4.8d[/tex]

Have a good day!

Diagram is not drawn to scale. Could someone try and help me find x, I got 20 but it was wrong ​

Answers

Answer:21

Step-by-step explanation:

if not 20 then 19 , 20.5 or 21

Given that D, E, and F are the midpoints of their respective sides, and AC = 24, what’s the length of DE¯¯¯¯¯¯¯¯?

An image of a triangle ABC. The midpoint of AB is labeled D, the midpoint of AC is labeled F, and the midpoint of BC is labeled E. Midsegments DE, EF, and FD are drawn. AC is labeled 24.

Question options:

2 units


6 units


12 units


4 units

Answers

Answer:

DE = 12

Step-by-step explanation:

Consider Δ ABC

A segment joining the midpoints of 2 sides of a triangle is half the length of the third side.

D and E are the midpoints of 2 sides of the triangle, then

DE = [tex]\frac{1}{2}[/tex] AC = [tex]\frac{1}{2}[/tex] × 24 = 12

5^2 + (6.7 - 3.1)


plz help

Answers

We begin by calculating the expression inside the parentheses

[tex] {5}^{2} + (6.7 - 3.1) \\ {5}^{2} + (3.6)[/tex]

Simplify exponents and square roots

[tex] {5}^{2} + 3.6 \\ 25 + 3.6 \\ = 28.6[/tex]

I need help with this !!

Answers

Answer:

  -27

Step-by-step explanation:

It looks like you're trying to evaluate ...

  [tex]\displaystyle 5^{\log_5{8}}-3^{\log_3{5}+\log_3{7}}=8-3^{\log_3{35}}=8-35=\boxed{-27}[/tex]

__

The relevant rules are ...

  b^(log_b(x) = x

  log(a)+log(b) = log(ab)

9 plus 10 equals?

A. 21
B. 21
C. 19
D. 21​

Answers

Answer:

C 19

Step-by-step explanation:

Answer:

[tex]9+10=19[/tex]

Marsha deposited ​$5,500 into a savings account 5 years ago. The simple interest rate is ​3%. How much money did earn in​ interest?
Substitute the values into the equation.
Interest​ : $_ x _ x _%

Answers

Answer:

5,500 × 30%

Step-by-step explanation:

165.00 in intrest

James is 5 ft. tall and casts a 6.5 ft. shadow. At the same time, a palm tree casts a 26 ft. shadow. How tall is the palm tree?

Answers

Answer:  20 feet

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

Work Shown:

(height)/(shadow length) = (height)/(shadow length)

(5 ft)/(6.5 ft) = (x ft)/(26 ft)

5/(6.5) = x/26

5*26 = 6.5*x

130 = 6.5x

6.5x = 130

x = 130/(6.5)

x = 20

The palm tree is 20 feet tall, which is the same height as a 2 story building (assuming each floor is 10 ft).

The distance between two cities is 180 km. The distance was
covered by a car at a rate of 50 km/h, by a bus at 45 km/h, by a
truck at 40 km/h, and a by a bicycle at 25 km/h. What is the constant of
variation?

Answers

Answer:

Step-by-step explanation:

he distance between two cities is 180 km.

Speed = distance/time

v = s/t from this we can calculate for time  

Time = distance /speed

This distance was covered by a car at a rate of 50 km/h

Time taken by the car to cover this distance of 180km

= 180/50 = 3.6 hours  

This distance was covered by a bus at 45 km/h

 

Time taken by the bus to cover this distance of 180km

= 180/45 = 4 hours

This distance was covered by a truck at 40 km/h

Time taken by the truck to cover this distance of 180km

= 180/40 = 4.5 hours

This distance was covered by a bicycle at 25 km/h

Time taken by the truck to cover this distance of 180km

= 180/25 = 7.2 hours

Therefore:

speed and time are directly proportional.

Speed, s is inversely proportional to time, t

xy = k (inverse variation) or y/x = k (direct variation), where k is the constant of variation

Introducing constant of variation, k  

s = k/t  

When s = 25, t = 7.2

25 = k/7.2

k = 7.2× 25 = 180

So

s = 180/k

Use the drawing tools to form the correct answer on the graph.
Graph this function.
f(x) = (1/3)x + 8

Answers

Answer:

The answer is simple. Just graph like you would any normal graph

Step-by-step explanation:

2x^2=3x+10 completing the square

Answers

Answer:

[tex] x_{1} = \frac{ - \sqrt{89 + 3} }{4} [/tex]

[tex] x_{2} = \frac{ \sqrt{89 + 3} }{4} [/tex]

Step-by-step explanation:

1) Move the variable to the left

2) Divide both sides

3) Add the same value to both sides

4) Add 9/16 to the expression

5) Add 9/16 to the right-hand side

6) Recalculate then solve

What is the earliest known human-like creature who displayed human-like intelligence called?
Neolithic People
Early Stone People
Mesolithic People
Neanderthal People

Answers

C. Hope it helps! :)
The answer is d Neanderthal People

Sam and Annie find a box of marbles in their dad’s closet. Sam claims that the marbles can be used to model the structure of a solid.

Answers

Marbles are solid in nature, they can be used to form objects of any kind, this makes them suitable for Sam's claim, the marbles can be used to model a typical structure of a solid, even though it is can only be a prototype.

There are two main categories of solids: Crystalline Amorphous.

Crystalline solids are well ordered at the atomic level, and amorphous solids are disordered.

Types of crystalline solids

There are four types of crystalline solids: ionic solids, molecular solids, network covalent solids, and metallic solids

The constituents of a solid can be arranged in two general ways: they can form a regular repeating three-dimensional structure called a crystal lattice

Learn more:

https://brainly.com/question/9065761

Find the percentage error if you: Estimate your credit card balance to be $2000 when it is $2590. a. 22.8% b. 20.5% c. 30.8% d. 50.6%

Answers

Answer:

a) 22.8%

Step-by-step explanation:

(2590-2000) ÷ 2590 =

590 ÷ 2590 =

.2277 = 22.8%

Please answer this, The question is below............................................................................. .........

Answers

Answer:

Area of a parallelogram = Base times Height

Step-by-step explanation:

For this parallelogram, the value for Height is 5cm. So Area = Base x 5. If you are given the value for base then just multiply that by 5 and you get the area. Hope this helps :)

Tina rolls a dice what is the probability that she rolls a 1 b3 c4 d 3 or 4

Answers

Using the probability concept, it is found that there is a [tex]\mathbf{\frac{1}{6}}[/tex] probability that she rolls a 1.

A probability is the number of desired outcomes divided by the number of total outcomes.

In a dice, there are 6 sides, one of which is a roll is 1, then:

[tex]p = \frac{1}{6}[/tex]

There is a [tex]\mathbf{\frac{1}{6}}[/tex] probability that she rolls a 1.

For more on probabilities, you can check https://brainly.com/question/24437717

d/−7 ≤ −6 pls help :)

Answers

Answer:

D > -42

Step-by-step explanation:

[tex]x(x-2)+3(x-2)=0[/tex]

Answers

Answer:

x = -3 or x = 2

Step-by-step explanation:

Given that,

x ( x - 2 ) + 3 ( x - 2 ) = 0

( x + 3 )  (  x - 2 ) = 0

So,

( x + 3 ) = 0                                ( x - 2 ) = 0

x + 3 = 0                                     x - 2 = 0

x = 0 -3                                        x = 0 + 2

x = (-3)                       or               x = 2

Hope this helps you.

Let me know if you have any other questions :-)

Need help with how to write the standard form of a slope in general.
Please explain, thank you!

Answers

Answer:

Hey there! Hope this helps a little!

Step-by-step explanation:

So to begin with the standard slope form equation is Ax+By=C

Lets say the question is 2x+3y=12 what you wanna do first is get y all by its self so what you so is subtract 2x from 2x what you do to one side make sure to do it on the other side subtract 2x from 12

Now you will have -2x/3+12/3

Solution is y=-2/3x+4 please let me know if you need further help!

A truck can be rented from Company A for ​$110 a day plus ​$0.20 per mile. Company B charges ​$80 a day plus ​$0.50 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same.

Answers

Answer:

130

Step-by-step explanation:

Step 1: write equations:

Company A: y = 0.20x + 110

Company B: y = 0.50x + 80

Step 2: graph your lines

Step 3: Find your intersect point

Step 4: find the points: (100,130)

The number of miles is y, so at 130 miles, both trucks are the same cost

Hope that helps

Question 10 Multiple Choice Worth 1 points)
(4.04 MC)
Which of the following is a linear function?
A) y=3x^2
B) y=1 /3x
C) y=x^3 +5
D) 2/3x = y-1
Please helppp

Answers

It’s Gonna be D bc 2/3x =y-1
D) 2/3x=y-1 is the linear function

If x + 2y = 15, what is the value of 3x + 6y/5

Answers

Answer:

I think 9 is the best answer

Answer:

9 is the answer.

Step-by-step explanation:

Given:

x + 2y = 15

We can tell that '3x + 6y' is basically '15 x 3' because the whole equation has been multiplied by three. Therefore, 3x + 6y must equal 45.

=> 3x + 6y = 45

But we need to divide 45 by 5 to get the solution because the 3x + 6y has also been divided by 5.

=> 45/5

=> 9

Therefore, 9 is the answer.

[tex]GeniusUser[/tex]

20 points.
The midpoint of AB is (-9, -10) and the coordinates of point A are (-1, 9) what are the coordinates of point B? ​

Answers

Answer:

  B = (-17, -29)

Step-by-step explanation:

The midpoint (M) of AB is ...

  M = (A +B)/2

Solving for B gives ...

  B = 2M -A = 2(-9, -10) -(-1, 9) = (-18+1, -20 -9)

  B = (-17, -29)

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