What is the solution to the equation 2x+4 - 12 =20?
A X=0
B X= 1
C X=2
D x=9

Answers

Answer 1

Answer:

none

Step-by-step explanation:

plug it in, it doesnt add up


Related Questions

Please helppp
Answers:
-6.5*C/km
-0.29 *C/km
-3.5 *C/km
-0.15 *C/km

Answers

Answer:

C

Step-by-step explanation:

these numbers form an addition and subtraction fact family choose the fact family formed by these numbers 6,7,13 what is the fact family of that number​

Answers

Answer:

7 + 6 = 13

13 = 7 + 6

13 – 6 = 7

7 = 13 – 6

Step-by-step explanation:

With a coupon you can get a pair os shoes that normally costs $84 for only $72 what percentage was the discount

Answers

Given parameters:

Original selling price = $84

Discounted Selling price  = $72

Unknown:

Percentage discount = ?

Solution:

To find the percentage discount;

  Find the discount amount   Then find the percentage discount from this value when you place it over the original selling price

Discount = Original selling price  - Discounted selling price

               = $84 - $72

               = $12

Now,

  Percentage discount  = [tex]\frac{12}{84} x 100[/tex]   = 14.3%

The percentage discount is 14.3%

On Monday, Jolene played basketball and made 75% of the shots she took. If she missed 7 shots, how many shots did she take? Show your work.​

Answers

Answer:

She took 28 shots, 7 shots would be the remaining 25% so you multiply it by 4 to get 100% or 7 × 4 = 28

missed shots = 7 = 25%             since 75% are successful

proportionality table

25% ...............7

100% ........... = 7 x 100% : 25% = 28

total = 28 shots

Which graph correctly represents f (x) = 3  ?
2

Answers

Answer:

I can't read some of the problem

What is the future value for a 300 deposit earning 4% compounded int for 2 years

Answers

Hello

300 x 1.04 ² = 324.48  

Write the equation of the graph.
y=1/2x+5


y−3=−1/2(x+1)


y−3=1/2(x+1)


y+3=−1/2(x−1)

Answers

Answer:

Solve by Graphing y=1/2x-5 y=-1/3x. y=12x−5 y = 1 2 x - 5 y=−13x y = - 1 3 x. Combine 12 1 2 and x x . y=x2−5 y = x 2 - 5. y=−13x y = - 1 3 x.

Step-by-step explanation:

Mike can run 1/2 mile in 1/15 of an hour. How many miles can mike run in 1 hour?
i need answer fast

Answers

If he runs 1/2 in a 1/15, you would say he can run a mile in 2/15. 14/15 is 7 miles and 1/15 left over so he can run 7 1/2 miles in an hour. Hope this helps!

if f(x)=2^x and g(x)=x-4. The graph of (fog)(x) is shown below. What is the range of (fog)(x)?

Answers

Answer:

C) [tex]y > 0[/tex]

Step-by-step explanation:

[tex]f(x)=2^x\\\\g(x)=x-4\\\\(f\circ g)(x)=f(g(x))=f(x-4)=2^{x-4}[/tex]

This means that the parent function, [tex]f(x)=2^x[/tex], will shift 4 units to the right along the x-axis, so this DOES NOT affect the range (nor the domain either). Thus,  [tex]y > 0[/tex] would be the range.

is the division of two whole numbers is always a non-integer rational number?

Answers

Answer:

Every quotient of two integers is always a rational number but not always an integer

Step-by-step explanation:

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U matter.

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What is the product? (x+3)(2x-1)

[tex] {2x}^{2} - 3[/tex]
[tex] {2x}^{2} + 6x[/tex]
[tex] {2x}^{2} + 5x - 3[/tex]
[tex] {2x}^{2} + 6x - 3[/tex]

Answers

Step-by-step explanation:

x(2x-1)+3(2x-1)

2x^2-x+6x-3

2x^2+5x-3

Answer:

2x^2+5x‒3

Step-by-step explanation:

(x+3)(2x‒1)=x(2x‒1)3(2x‒1)

=2x^2‒x+6x‒3

=2x^2+5x‒3

i hope &i wish it helps you

There are 27 marbles in a blue jar. The blue jar has 9 times as many marbles as a red jar. Let n be the number of marbles in the red jar.

Answers

Answer:

n = 2.7

Step-by-step explanation:

Set up an algebraic expression: 9n + n  = 27Combine like terms: 10n = 27Divide each side by 10 to cancel out the 10 next to n. It should now look like this: n = 2.7

I really hope this helps!

Alguien puede resolver esto (Can you solve this operation plis)

-10/3 : 2

Gracias(Thaks you)

Answers

La respuesta final sería -5/3

You are making a blanket with a fringe border of equal width on each
side. (Section 7.1 and Section 7.2)

Answers

Answer:

Step-by-step explanation:

A package of 5 pairs of insulated gloves costs ​$43.95. What is the unit price of the pairs of gloves​?

Answers

Answer:

5.89 dollars

Step-by-step explanation:

To find the unit price, we use t/q where t is the total price and q is the quantity.

Therefore, it costs 5.89 dollars for a pair of gloves.

The unit price of the pair of gloves will be $8.79 for each pair of gloves.

What is the rate?

The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

A package of 5 pairs of insulated gloves costs ​$43.95. Then the unit price of the pairs of gloves is calculated as,

Rate = $43.95 / 5

Rate = $8.79 for each pair of gloves

The unit price of the pair of gloves will be $8.79 for each pair of gloves.

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Answer the question below each diagram
OD
a. 8+}
.
in ad
be
How many thirds?

Answers

Answer:.

Step-by-step explanation:

1. Find the radius of Circle A. r-
1
2. Find the diameter of the Circle A. d-
3. Find the circumference of the circle. C-
4. Find the area of the Circle. A =-
5. Shade in a sector of 90° on the circle. Find that sector area. Area of Sector =
6. Determine the arc length of circle from the shaded region above. Arc Length =
7. Write the equation for the circle.

Answers

Answer:

A i think

Step-by-step explanation:

if h(x) = x^2-5x+7 find each value

1/3*h(-8)

Answers

if h(x) = [tex]x^{2} -5x+7[/tex] so the value of  [tex]\frac{1}{3}[/tex]× [tex]h(-8)[/tex] = [tex]\frac{111}{3}[/tex].

A mathematical equation is a formula that uses the equals sign to represent the equality of two expressions. The meanings of the word equation and its cognates in other languages can vary slightly. For instance, in French, an equation is defined as having one or more variables, whereas, in English, an equation is any well-formed formula that consists of two expressions linked by the equals sign.

Finding the values of the variables that result in equality is the first step in solving an equation with variables. The variables that must be included in the equation are also known as the unknown.

we have h(x) = [tex]x^{2} -5x+7[/tex]

So, substitute the value [tex]x=-8[/tex] in the equation,

h([tex]-8[/tex]) = [tex](-8)^{2} -5(-8)+7[/tex]

        = [tex]64+40+7[/tex]

        = [tex]111[/tex]

And now we shall multiply it with [tex]\frac{1}{3}[/tex],

we get, [tex]\frac{1}{3}[/tex]× [tex]h(-8)[/tex] = [tex]\frac{111}{3}[/tex]

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Pls help
Find the area

Answers

Answer:

  240 square feet

Step-by-step explanation:

The area of a composite figure can be found by adding the areas of its parts.

__

Extending the vertical line across the figure cuts off a rectangle on the left that is 18 ft long and 10 ft high. It cuts off a triangle on the right that has a base of 20 ft and a height of 24-18 = 6 ft.

The sum of the areas of these parts is ...

  rectangle area + triangle area

  = (10 ft)(18 ft) +1/2(20 ft)(6 ft) = 180 ft² +60 ft²

  = 240 ft² . . . . area of the figure

_____

Additional comment

You can see that this is the product of the height of the rectangle and the overall length of the figure. This means the smaller triangles that stick above or below the horizontal lines would fit exactly into the spaces at the tip of the arrow, filling in a 10 ft × 24 ft rectangle.

I need help I didn't pay attention in class now I am lost.

Answers

Who fault is that ?

Determine the rational zeros for the function f(x)=8x^(3)-6x^(2)-23x+6.
a. -(1)/(2),(1)/(4),2
c. -1(1)/(2),(1)/(4),2
b. 1(1)/(2),(1)/(4),-2
d. -1(1)/(2),-(1)/(4),2

Answers

Answer:

Step-by-step explanation:

A pharmacist has 50 g of a topical cream that contains 75% glycerine. How many grams of the cream are not glycerine?

Answers

Answer:

12.5 g

Step-by-step explanation:

75% with glycerine, so 100% - 75% = 25% without glycerine

so 50 g ^ 25% = 12.5 g without glycerine

I’ve been bad at math since Elementary, this is my last year of high school and I have to do it virtually with the no teacher. It’s hard for me right now, but I need to pass my last year. If anyone ones anything about odyssey ware or another website where people help each other please tell me~! I need all the help and prayers I can get this year. Thank you in advance~ ♡

Answers

Answer: I don’t know much but I still know some! If you ever need help reply to this comment please

Step-by-step explanation:

What is the standard form polynomial that represents this product? (-2m^3 + 3m^2 - m)(4m^2 + m - 5)

Answers

Answer:

-8m^5+10m^4+9m^3-16m^2+5

Step-by-step explanation:

PLATO

The standard form is ( -8m⁵+10m⁴+9m³-16m²+15m ).

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

The expression will be solved as:-

E = ( 3m² - m )( 4m³ + m - 5 )

E = -8m⁵ - 2m⁴ + 10m³ - 15 m² - 4m³ - m² + 5m

E =  ( -8m⁵+10m⁴+9m³-16m²+15m ).

Therefore, the standard form will be ( -8m⁵+10m⁴+9m³-16m²+15m ).

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What is 98 square inches to inches

Answers

Answer:

9.8995 inches

hopefully this helps

Help please! 10 points

Answers

Answer:

74 degrees

Step-by-step explanation:

sin(Ф) = O/H

sin(Ф) = 24/25

Ф = [tex]sin^-^1(24/25)\\[/tex]

Ф = 73.7397...

Use the inductive reasoning to find the next two numbers in each pattern.
-4,-2,0,2,____,____

Answers

the next two numbers should be 4 and 6 because the rule is adding by 2

Find the mean for the set of data.
0.2, 0.21, 0.17, 3.22, 0.2

Answers

Answer:

0.8

Step-by-step explanation:

Find the mean of the list:

(0.2, 0.21, 0.17, 3.22, 0.2)

The mean of a list of numbers is given by:

(sum of elements)/(number of elements)

(sum of elements) = 0.2 + 0.21 + 0.17 + 3.22 + 0.2:

(0.2 + 0.21 + 0.17 + 3.22 + 0.2)/(number of elements)

Counting, we see that the list has 5 elements:

(0.2 + 0.21 + 0.17 + 3.22 + 0.2)/5

0.2 + 0.21 + 0.17 + 3.22 + 0.2 = 4:

4/5

4/5 = 0.8:

Answer:  0.8

Answer:

0.8

Step-by-step explanation:

The mean of the data set can be found by adding all terms together and dividing by the amount of terms there is. In this case, add all the numbers and divide by 5:

(0.2 + 0.21 + 0.17 + 3.22 + 0.2)/5 =

(4)/5 = 0.8

0.8 is the mean for the given set.

~

Find the sales tax. Then find the total cost of the item.
Sales Tax
Selling Price $40.00 Rate of Sales Tax 3% Sales Tax ?

Answers

Answer:

tax: $1.20total cost: $41.20

Step-by-step explanation:

The sales tax is found by multiplying the tax rate by the item price. The total cost will be the sum of the item price and the tax.

__

  tax = 0.03 × $40 = $1.20

  total cost = selling price + tax = $40 +1.20 = $41.20

What is the solution for this equation?
-½n² + 18 =0
n= ____​

Answers

Answer: n=6

Step-by-step explanation:

First you subtract 18 from both sides so that it become -1/2n^2=-18

Second divide both sides by -1/2 so it becomes -18/(-1/2)=n^2

Then you simplify and get n^2=36

Finally you find the square root of both side, and you get n=6

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