x= 7
what does the following expression equal:
3+6x-12x+14

Answers

Answer 1

Answer:

-25

Given:

x=7

Step-by-step explanation:

3+6x-12x+14

⇒ 3 + 6(7) - 12(7) + 14

⇒ 3 + 42 - 84 + 14

⇒ 45 - 84 + 14

⇒ -39 + 14

⇒ -25

hope you understood!

Answer 2
3+42-84+14=
Work from left to right
45-84+14=
-39+14=
ANSWER: -25


Related Questions

PLEASE HELP WILL GIVE BRAINLIEST

find the circumference of each circle round to the nearest tenth

Answers

Answer:

7) 75.4 yd

8) 34.56 mi

6) 81.68 cm

Step-by-step explanation:

The formula of circumference is: circumference (C) = 2 * π * r

7) The radius = 12 yd

π = 3.14

We can solve for C:

C = 2πr

C = 2(3.14)(12 yd)

C = 75.4 yd

8) The radius = 5.5 mi

π = 3.14

Solve for C:

C = 2πr

C = 2(3.14)(5.5 mi)

C = 34.56 mi

6) The diameter is 26. The radius is one half of the diameter; so the radius is 13.

We can solve for C:

C = 2πr

C = 2(3.14)(13 cm)

C = 81.68 cm

Hope this helpsss <3

Answer:

7) 75.36  8)34.54 9)81.64

Step-by-step explanation:

you can find this by using the formula diameter times pi (for pi use 3.14) or the formula 2times pi times radius. and for the diameter just multiply the radius by 2.

If 1/a and a/2.23 are two real numbers included between 0 and 1, then a =

Answers

Answer: 2

Step-by-step explanation:

theres a chance i could be right

If there are 3 apples for every 4 oranges, how many apples would you have if you had 20 oranges?

Answers

Answer:

6 Apples

Step-by-step explanation:

There would be six apples and 2 oranges left over.

Hope this Helps!

:D

Answer:

I was kind of confused on this one but is it 15 apples?

Step-by-step explanation:

3, 6, 9, 12, 15

4, 8, 12, 16, 20

I think the answer is 15 apples.

Systems of equations, solve by substitution please!
x + 7y = -37
4x - 3y = 7

Answers

Answer:

1. x = -37 - 7y

2. x = 7+3y/4


​​

Step-by-step explanation:

make the coefficients same

then if sign are same subtract the one you wanna cancel it then here it goes

lam gonna start making coefficient of x sam like this:

4.X+7y= -37

1.4X-3y=7

then i will subtract all x or cancel to each other then

4X+28y= -148

-

4X-3y=7

and then -×-=+

add all y

31y=141

y= 4.55 then we take one of the equation then substitute y to 4.55 so i chose first equation

X+7(4.55)=-37

X+31.85=-37

so take 31.85 to the side it will become -31.85

then X=-37-31.85

X=68.85

i hope that it will help you

You purchased concentrated cleaner that must be diluted (watered down)
before use. Container A is the cleaner, which is a 20% solution. Container B is
pure water. You are mixing together the contents of Container A and
Container B to produce 80 gallons of 5% solution. How many gallons from
each container are needed to create the 80 gallons of 5% cleaning solution?
Write your answers as integers only.
Container A: 20% Cleaning Solution =
gallons
Container B: Pure Water =
gallons

Answers

Answer:

The volume of the concentrated 80 gallons mixture is 20 gallons

The volume of water in the 80 gallons mixture is 60 gallons

Step-by-step explanation:

The given parameters are;

The content of Container A = The cleaner

The concentration of the cleaner = 20% solution

The content of Container B = Pure water

The concentration of the desired solution = 5%

The volume of the required solution = 80 gallons

Let x represent the volume of the concentrated solution and y represent the volume of water in the 80 gallons mixture

Therefore, we have;

20/100 × x + y×0 = 5/100×80

x + y = 80

y = 80 - x

20/100 × x + (80 - x)×0 = 5/100×80

0.2·x = 4

x = 4/0.2 = 20

x = 20 gallons

y = 80 - x = 80 - 20 = 60

y = 60 gallons

The volume of the concentrated solution (80 gallons mixture) = x = 20 gallons

The volume of water in the 80 gallons mixture = y = 60 gallons.

PLEASE HELP!!!!!!!!!!!
What value of x is in the solution set of 8x – 6 > 12 + 2x?
–1
0
3
5

Answers

Answer:yea its 3

Step-by-step explanation:

Which pair of ratios is not equal? 72 : 64 and 27 : 4 72 : 64 and 27 : 4 90 to 18 and 5 to 1 90 to 18 and 5 to 1 25 to 10 and 10 to 4 25 to 10 and 10 to 4 6 : 7 and 30 : 35

Answers

Answer:

a) 72 : 64 and 27 : 4

Step-by-step explanation:

a) 72 : 64 and 27 : 4

72 /64 = 27/4

9/8 ≠ 27/4

Not equal

b) 90 to 18 and 5 to 1

90 : 18 = 5/ 1

5/1 = 5/1

Equal

c) 25 to 10 and 10 to 4

25 :10 and 10 : 4

25/10 = 10/4

5/2 = 5/2

Equal

d) 6 : 7 and 30 : 35

6/7 = 30/35

6/7 = 6/7

Equal

The pair of ratios that is not equal is

a) 72 : 64 and 27 : 4

Which triangle shows the incenter at point A?

Answers

Answer: A, i think -_-

It is the 3rd one :))))

I need help because I was debating if it’s is 5 or 6

Answers

Answer:

it should be 5.5

Step-by-step explanation:

cross multiply and solve as an equation

The Advanced Drama Club is selling tickets for Annie. Pre-registered tickets cost $6 and tickets at the door cost $8.50. The total number of tickets sold was 355. The total amount received was $2,580. Write a system to determine how many of each type of ticket was sold. Use p for pre-registerd and d for tickets purchased at the door. Solution: (pre-registered tickets, door tickets)

Answers

6/8.50=2 we get 35 ticket did help

Evaluate each value expression for the given value of x : 22-x/5 , x=20

HURY!!!!!!!!!!!

Answers

Answer= 18

22-20/5
22-4
=18

Answer:

10 maybe sorry if wrong

Step-by-step explanation:

22-x x=20 so that should be 2 then u do 2x5 =10

choose all that apply

Answers

Answer:

C and D

Step-by-step explanation:

I need help with this

Answers

Answer:

First box:

1/8 of 5, 5 x 1/8, 5 divided by 8

Second Box:

8 divided by 5, 1/5 of 8,

Third Box:

5 x 8

Step-by-step explanation:

Guys plz help Answer this Question!!!!!

Answers

Answer:

X intercept is (-40,0) why intercept is (0,15)

Step-by-step explanation:

youyou will be able to tell this by looking at the graph and counting where the points are

The equation F= 9/5 C+32 relates temperature measured in degrees Celsius, C , to degrees Fahrenheit, F. Determine whether there is a proportional relationship between C and F.

Answers

Answer:

The relationship between F and C is proportional

Step-by-step explanation:

The relationship between Celsius and Fahrenheit temperatures is a direct proportionality. Both scales have their ice and steam points as well as their fundamental intervals.

When the temperature in Celsius increases, the temperature in Fahrenheit increases and vice versa.

The following two triangles are similar. Find x

A.) 4
B.) 6
C.) 7
D.) 5

Answers

It’s C because if you divide 48 by 8 you get 6 so 56 divided by 8 equals 7 which is C

The value of x is 7.

Option C is the correct answer.

What is a triangle?

It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.

We have,

Two similar triangles.

56/48 = x/6

Cross multiply.

x = (56 x 6)/ 48

x = (7 x 6)/6

x = 7

Thus,

x is 7.

Learn more about triangles here:

https://brainly.com/question/25950519

#SPJ2

Jordie's curtain company is making curtains for a local hotel. He wants each curtain to be 36 inches long. At the fabric store, fabric is sold by the foot. If Jordie's curtain company wants to make 67 curtains, how many feet of fabric will he need?

Answers

Answer: 201 feet

Step-by-step explanation:

It should be noted that 1 foot = 12 inches. Therefore, 36 inches = 36/12 = 3 feets.

Each cotton uses 3 feets in length. Therefore, 67 curtains will use:

= 67 × 3 feets

= 201 feets

Hank sells toy cars on a web site. The web site fee is $30. Hank sells each toy car for $4.
What inequality does Hank use to determine how many toy cars, c, he must sell to make a
profit of at least $50?
A
B
34c s 50
340 250
40 + 30 S 50
40 - 30 250
С
D

Answers

Here’s the answer and steps :)

Answer: D

Step-by-step explanation:

Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. irenes car had 5.7 gallons in the 14-gallon tank on the coldest day of the year irene filled the tank with gas that cost ​ ​$3.80 per gallon. How much did irene spend on​ gas?

Answers

Answer:

lkj  l l  /nkmpnok

Step-by-step explanation:

WILL MAKE BRAINLIEST! Let sin 21 = 0.358. What is the value of x for cos x = 0.358

Answers

Answer:

The value of x is 69°

Step-by-step explanation:

In a right angle triangle, if m and n are the two acute angles on it, then

m + n = 90° sin(m) = cos(n)cos(m) = sin(n)

That means if sin(m) = cos(n), then m + n = 90°

Let us use these facts to solve the question

∵ sin(21°) = 0.358

∵ cos(x°) = 0.358

→ That means sin(21°) = cos(x°)

sin(21°) = cos(x°)

→ By using the facts above

21 + x = 90°

→ Subtract 21 from both sides

∵ 21 - 21 + x = 90 - 21

x = 69°

The value of x is 69°

The Kennedy Middle School cafeteria charges students $3 for 1 6 of a pizza. What is the cost per pizza?

Answers

Answer:

3*16=48

Step-by-step explanation:

If 1/16th of a pizza is 3 dollars, 1/16*16=1    3*16=48

Therefore,

1 pizza is $48

You really paying that much for one pizza

18 is answer i think

ANSWER ASAP PLEASE AND SHOW YOUR WORK!!!!
Algebraically determine whether the following function is Even, Odd, or Neither.
f(x)= x^3-2x

Answers

Answer:

f(-x)= -f(x) so, the given function [tex]f(x)= x^3-2x[/tex] is Odd

Step-by-step explanation:

We need to determine if the function [tex]f(x)= x^3-2x[/tex] is Even, Odd, or Neither.

Determining if a function f(x) is even or not we put x=-x and check

If f(-x)=f(x) the function is even

if f(-x)= -f(x) the function is odd

So, Putting x =-x and determining if the given function [tex]f(x)= x^3-2x[/tex] is Even, Odd, or Neither.

[tex]f(x)= x^3-2x\\Put \ x=-x\\f(-x)=(-x)^3-2(-x)\\f(-x)=-x^3+2x\\f(-x)=-(x^3-2x)\\f(-x)=-f(x)[/tex]

As f(-x)= -f(x) so, the given function [tex]f(x)= x^3-2x[/tex] is Odd

if f(x) = x^2+3x-2, find f(-2)

Answers

Answer:

f(-2)= -4

Step-by-step explanation:

f(-2) = (-2)² +3(-2) - 2

f(-2) = 4 - 6 - 2

f(-2) = -4

BRAINLY AND POINTS FOR STEP BY STEP
b-4z =a for b
____
5

Answers

Answer:

Dividing both sides of 5x = 4 by 5 yields x = 4 _. 5 . The value of x can now be ... tuting −1 for a into the equation b = –a + 3 gives b = −(−1) + 3, or b = 4. ... ___. 82 − (2i)2 . Since i2 = −1, this can be simplified to 24 − 6i − 40i − 10. __.

hope this helps also Brainliest please:)

Answer:

b=7a+4z

Step-by-Step Explanation

I just took the test, this is right, but I'll give you a step-by-step because I want a Brainiest :D

b-4z over 7=a    

Multiply both sides by 7

b-4z=7a

Aded 4z to both sides

Your answer is b=7a+4z

Please give me Brainiest!!!!

Henry puts 19 candies in each gift bag. He uses 551 candies. How many gift bags did he fill?

Answers

Answer:

29

Step-by-step explanation:

551/19=29

Write the equation in y=Mx+B

Answers

Answer:

y=2x-2

Step-by-step explanation:

y intercept is (0,-2) so that is b value. slope is 2 so that is your m value

What is the answer to 2/9 divided by 1/2?

Answers

Answer:

the answer is going to be 2 /9 times the reciprocal of 1/2 so the answer is 4/9

Answer:

4/9

Step-by-step explanation:

2/9 / 1/2

= 2/9 x 2/1

= 2x2 / 9x1

=4/9x1

=4/9


how can you tell when an equation in one variable has infinitely many solutions or no solution?

Answers

Answer:

A system has infinitely many solutions when it is consistent and the number of variables is more than the number of nonzero rows in the rref of the matrix. For example if the rref is ��has solution set (4-3z, 5+2z, z) where z can be any real number.

how much time will it take for the plane to land?

Answers

Answer:

Again assuming we're cleared for immediate take off, it takes around 20 minutes to climb to cruise altitude, at an average ground speed of (say) 200 knots. This means we've covered about 70 miles, which the cruising aircraft would have covered in just over 10 minutes. So this final phase has cost us another 10 minutes

Maribel deposited $1,500 in a new account at her bank. -The bank pays 4.5% annual simple interest on this account. -Maribel did not make any additional deposits or withdrawals. What is the balance of the account at the end of five years?

Answers

Answer:

1500+337.50 = $1,837.5

Step-by-step explanation:

You want to calculate the interest on $1500 at 4.5% interest per year after 5 year(s).

The formula we'll use for this is the simple interest formula, or:

I = P x r x t

Where:

P is the principal amount, $1500.00.

r is the interest rate, 4.5% per year, or in decimal form, 4.5/100=0.045.

t is the time involved, 5....year(s) time periods.

So, t is 5....year time periods.

To find the simple interest, we multiply 1500 × 0.045 × 5 to get that:

The interest is: $337.50

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