which property explains why these two expressions are equal ? -5(x-4)=-5x+20)​

Answers

Answer 1

Answer:

distributive property of multiplication

Step-by-step explanation:

Given

Expression -5(x-4)= -5x+20

It is demonstrating the distributive property of multiplication

a(b + c) = ab + ac

Related Questions

The hexagon is made from a rectangle and two identical triangles.
13 cm
5 cm
12 cm
Work out the area of the hexagon.

Answers

I think it’s 12 of the hexagon

If one penny, two dimes, and one quarter are added to the bag, what is the new probability that Marissa will draw a nickel? Write your answer as a fraction, as a decimal, and as a percent. 25% chance. (I gave all info please answer this:

In which situation is it more likely that Marissa will draw a nickel

Answers

Answer:

As a fraction it's ¼, as a decimal it's 0.25 and as a percentage it's 25%

Answer:

= 1/5

.2

20%

Step-by-step explanation:

In the bag there are 5 pennies, 4 nickels , 5 dimes, 2 quarters

We add 1 penny 2 dimes and 1 quarter

Now in the bag

6 pennies, 4 nickels, 7 dimes, 3 quarters

for a total of 20 coins

P ( nickel) = number of nickels / total

                 = 4/20 = 1/5

                  .2

                   20%

She is more likely to draw a nickel before the 1 penny 2 dimes and 1 quarter because there are fewer coins in the bag that are not nickels

What does it mean when they ask "What is the domain of f(x)," and the range?

Answers

Answer:the domain is all real numbers it also like the x value and the range is all y value

Step-by-step explanation:

Answer:

The domain is the set of values of "x" for which the function has meaning.

Based on my knowledge x can be any real number except for zero.

The range of f(x) is the same as finding all that y could be.

The range of f(x) is all the y values where there is a number x with y = f(x).

PLEASE HELP I DONT UNDERSTAND WILL GIVE LIKE 20 POINTS

Answers

Answer:

Step-by-step explanation:

11/4 <3

Answer:

11/4

Step-by-step explanation:

Hope this helps!

whats the answer and how​

Answers

Answer: its c or 35

Step-by-step explanation: because at 10 salespeople its 40, so 9 salespeople is 35

Solve the system of equations.
Y=9x-17
y = x + 23

Answers

Answer:

y=9x-17; x=17/9 or x=1 8/9 or x=1.8

y=x+23; x= -23

Step-by-step explanation:

y=9x-17

0=9x-17 (Move variables to the left-hand side and change its sign)

-9x=-17 (Divide both sides of the equation by -9)

x=17/9, x=1 8/9, or x=1.8

y=x+23

0=x+23 (To find x-intercept/zero, substitute y=0)

-x=23 (Move variable to the left-hand side and change its sign)

x= -23 (Change the signs on both sides of the equation)

x= -23

Answer:

x = 5

y = 28

the expressions both equal y so they are equal to each other.  so you right the equation as

9x - 17 = x + 23

then you subtract x from both sides

and then add 17 to both sides

the final step is to divide 8 on both sides and that gives you the answer x = 5. then you plug that back into the problem so...

y = 5 +23

so y = 28.

hope this helped!

what is the rate of change for y= -2/5x-9​

Answers

Answer:

If two quantities x and y are related by y = f(x), the derivative f'(xo) represents the rate of change of y with respect to x at the point xo. It is measured in (units of y)/(units of x). A positive rate of change is sometimes called a rate of increase.

Step-by-step explanation:

Answer:

m= -2/5

Step-by-step explanation:

Find the value of x. Draw a triangle and label each interior angle before solving.
Then find the angle measures of the polygon.

Angle one: 2x°, angle two: xº, angle 3: (X + 8)°

Answers

Sum of all angles in a triangle = 180°

Which means :-

∠1 + ∠2 + ∠3 = 180°

[tex]2x + x + x + 8 = 180°[/tex]

[tex]4x + 8 = 180°[/tex]

[tex]4x = 180 - 8[/tex]

[tex]4x = 172[/tex]

[tex]x = \frac{172}{4} [/tex]

[tex]x = 43[/tex]

Angle 1 :-

= 2x

= 2 × 43

= 86°

Angle 2 :-

= x

= 43°

Angle 3 :-

= x + 8

= 43 + 8

= 51°

[tex]therefore \: , \: the \: value \: of \: x = 43°[/tex]

Which equation best represents the line graphed above?


Please help

Answers

Answer:

y=x+4

Step-by-step explanation:

Slope is positive and it goes up by 1 so it is just 1 and the y-intercept is 4 so it is y=x+4

Find the coordinates of F'after F(-2,-2) was reflected over the line y = -x.

Answers

Answer:

F' would be (2, 2) if F was reflected over the line y=-x

When the transformation (x,y) → (x + 10, y + 5) is
performed on point A, its image, point A', is on the origin
What are the coordinates of A? Justify your answer.

Answers

Answer:

its 3.05

Step-by-step explanation:

The coordinates of A will be at (-10, -5) when the transformation (x,y) → (x + 10, y + 5) is  performed on point A.

Given the coordinate of the resulting image after the transformation is A'(0, 0). We need to get the coordinate of the original image A.

Since the transformation (x,y) → (x + 10, y + 5) is performed on A.

A = (0 - 10, 0 - 5)

If we are going from the pre-image to the image, we will translate to the left and downwards

A = (-10, -5)

Hence the coordinates of A will be at (-10, -5)

Learn more here:

what is 1/10 of 4.8​

Answers

Answer:

0.48

Step-by-step explanation:

Just move back one decimal point of 4.8

Answer: I just did this one lol

Step-by-step explanation:

10 percent *4.8 =

(10:100)*4.8 =

(10*4.8):100 =

48:100 = 0.48

Now we have: 10 percent of 4.8 = 0.48

Question: What is 10 percent of 4.8?

Percentage solution with steps:

Step 1: Our output value is 4.8.

Step 2: We represent the unknown value with $x$.

Step 3: From step 1 above,$4.8=100\%$.

Step 4: Similarly, $x=10\%$.

Step 5: This results in a pair of simple equations:

$4.8=100\%(1)$.

$x=10\%(2)$.

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

$\frac{4.8}{x}=\frac{100\%}{10\%}$

Step 7: Again, the reciprocal of both sides gives

$\frac{x}{4.8}=\frac{10}{100}$

$ x=0.48$

6. A strip of wood 78 inches long is to be cut into pieces 3 3/4 inches long. How many pieces can be cut?
O A. 21
OB. 12
O C. 26
D. 20

Answers

Answer:

A. 21

Step-by-step explanation:

divide 78 by 3.75 and you will get 20.8

round off 20.8 and you will get 21

A basketball team played six games. In those games, the team won by 8 points, lost by 11, won by 7, won by 11, lost by 4, and won by 13. What was the mean difference in game scores over the six games?​

Answers

Mean =sum of observations/ no.of observations

Mean=8+11+7+11+4+13/6

=54/6

mean=9

The mean difference in the game scores over six games is 2.5

What is mean difference?

The mean difference measures the absolute difference between the mean value in two different groups.

Given is a basketball team which played six games such that in those games, the team won by 8 points, lost by 11, won by 7, won by 11, lost by 4, and won by 13 respectively.

The mean difference of the given data can be calculated using the following formula -

Mean Difference = (∑W / n) - (∑L / n)

Where -

(∑W / n) is the mean of games won.

and

(∑L / n) is the mean of games lost.

(∑W / n) = (8 + 7 + 11 + 13)/4 = 9.75

and

(∑L / n) = (11 + 4)/2 = 15/2 = 7.5

Mean difference =  (∑W / n) - (∑L / n) = 9.75 - 7.5 = 2.5

Therefore, the mean difference in the game scores over six games is 2.5

To solve more questions on Mean difference, visit the link below-

https://brainly.com/question/18204878

#SPJ5

The store clerk has 21 mugs to display on shelves. She wants to display a equal number of mugs on each shelf with no mugs left over. Which problem below shows a way she can do this? A. 21 DIVIDED BY 2 B. 21 DIVIDED BY 5 C. 21 DIVIDED BY 7 D. 21 DIVIDED BY 10

Answers

I believe it’s C, 21 divided by 7. This one doesn’t leave any extra mugs out cause 21 divided by 7 is 3, leaving 7 mugs per 3 shelves and having none left.

Which values are in the solution set of the inequality -23x+13>-1
(> this symbol has a line underneath meaning equal to)

Answers

please be more specific

Answer:

x ≤ 14/23orx = ( -oo, 14/23]

Step-by-step explanation:

Solving is steps

-23x + 13 ≥ -1             ⇒ add -13 to both sides-23x ≥ - 1 - 13-23x ≥ - 14                 ⇒ divide both sides by - 23, inequality sign reversesx ≤ 14/23                   ⇒ answer

or

x = ( -oo, 14/23]       ⇒ answer as set

g(x)=8x+2
g( ) = -62

Answers

Answer:

-8

Step-by-step explanation:

f(x)=2x+6 what is the value of f(7)

Answers

f(7)= (2x7) + 6
f(7)= 14+ 6
f(7)= 20
hope this helps x
if it does i would love brainliest! :)

WILL GIVE BRAINLIEST
Find both the x and y intercepts of the following linear equation -4x + 5y = 20.

Answers

Answer:

x intercept is -5

y intercept is 4

Answer:

Step-by-step explanation:

-4x +  5y = 20

Divide the equation by 20

[tex]\frac{-4x}{20}+\frac{5y}{20} = \frac{20}{20}\\\\\\\frac{x}{-5}+\frac{y}{4}=1\\\\[/tex]

x intercept =  (-5)

y intercept = 4

A dozen donuts cost $24. How much does one donut cost?

Answers

24 divided by 12 equals 2

Answer:

Each donut will cost $2.

Step-by-step explanation:

A dozen of donuts = 12 donuts

$24 ÷ 12 = $2

Susanna purchased a shirt for $5 pants for $10 and a jacket for $25 she wants to buy at least one purse for the outfit but she wants to have something left of her original $65 how much money might she spend on the purse?

Answers

She should spend $20 on the purse and keep $5

Answer:

Spends $20 and she has $5 leftover.

Step-by-step explanation:

For the equation 3(4x + 10) =12x + k, which value of k will create an equation with infinitely many solutions?
(please help this is due in a couple of hours)

Answers

what am i solving for?

Find the mesure of the missing angle

Answers

Answer:

c=68 and b=112

Step-by-step explanation:

Julius is saving money to buy a Play Station V which cost $499.99. He has already saved $18.25 which he deposited into a savings account. He plans to save $25 a month from babysitting, mowing lawns, and allowance. Which of the following equations represents his saving plan if S is the total money saved and t is the number of months he has saved? C. S = $18.25 + $25t А. S = $250 D. S = $499.99 - $25t S = $18.25 - $25t​

Answers

Answer:

C. S=18.25+25t

Step-by-step explanation:

i looked it up on google

Please help I never understood this a lot,
Determine the missing statement and reason in the following proof.
Given: Prove:

Answers

Answer:

it is a.

Step-by-step explanation:

If I is parallel to m, solve for x and y (7y-20)(5x-38)(3x-4)

Answers

did you have a graph with this question?

Please Hurry!!!

If angle 1 is 110°, what would the other angle measures have to be in order for m || n and
q || p?
Angle 2 =
°



Angle 3 =
°



Angle 4 =

Answers

Answer: Angle 2 is 110

Angle 3 is 70

Angle 4 is 70

Step-by-step explanation:

:)

Step-by-step explanation:

angle 2= 110

angle 3=70

angle 4=70

6. Six 2 liters of Pepsi cost $12. How much would 15 two - liters of
Pepsi cost?

Answers

Answer:

30 doll hairs

Step-by-step explanation:

6/12=2 which is the price of one 2 liter bottel

2x15=30

Hope this helps!!

Quadrilateral A has side lengths of 6, 9, 15 and 18 Quadrilateral B is a scaled copy of Quadrilateral A, with its shortest side of length 4. What is the perimeter of Quadrilateral B?​

Answers

Answer:

4, 6, 10, 12 I think are the sides the perimeter=32

Step-by-step explanation:

2 + 1/3t = 1 + 1/4t
Please help me

Answers

Answer:

r =-12

Step-by-step explanation:

[tex]2 + 1/3t = 1 + 1/4t\\\\2+\frac{1}{3}t=1+\frac{1}{4}t\\\\\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}\\2+\frac{1}{3}t-2=1+\frac{1}{4}t-2\\\\Simplify\\\frac{1}{3}t=\frac{1}{4}t-1\\\\\mathrm{Subtract\:}\frac{1}{4}t\mathrm{\:from\:both\:sides}\\\frac{1}{3}t-\frac{1}{4}t=\frac{1}{4}t-1-\frac{1}{4}t\\\\Simplify\\\frac{1}{12}t=-1\\\\\mathrm{Multiply\:both\:sides\:by\:}12\\12\times\frac{1}{12}t=12\left(-1\right)\\\\\\Simplify\\r =-12[/tex]

Other Questions
What impact did new inventions such as the ice box, electric lights, and the phonograph have on the lives of thegrowing middle class in the late 1800s?O People became frustrated, as the expense of these inventions put them out of reach of most consumers.O People rejected these inventions, preferring to do things as they had been done in the past.O People feared these inventions, believing that ice and electricity did not belong in a home and that music was evil.O People found life more convenient, as these inventions gave them more opportunities and freedoms. PLEASE HELP! I left to go eat and when I came back I forgot what I was doing. The image shown is of two sets of parallel lines. The m 13 = 29x - 2 and the m 9 = 27x + 6 What is the m 12? If anyone can help me please with the this problem (picture above) please help!!!!! thank you!!! any help would be appreciated!! 6p + 5q - 6pI need help evaluate the final solution what is the name of the smallest pyramid called(ancient Egyptian)pleaseeeeeee answer to me what is the measure of the average kinetic energies of all the molecules in substance? What does the right of habeas corpus mean?a.One cannot be jailed without reason.b.One cannot be questioned without a lawyer.c.Nobles cannot have their property taken without payment.d.Kings cannot declare war without the support of Parliament.ASAP pls What does the word "karakara" mean as used in the passage above? * Which of the following sets of individuals MOST LIKELY belong to the same ethnic group Which of the following is contained in the Declaration of. Independence?A) an offensive description of the British royalty that was meant to anger thekingB) an outline of successful British policies the colonists would like to continueC)a plea from colonists for financial and military support from abroadD)a list of grievances against King George III and his government The red dot is located between 12 and 13. The red dot is about half way between 12 and 13, but a little below the half way point, so the red dot represents a little below half way between the two square roots. Since the square root of 144 is equal to 12 and the square root of 169 is equal to 13, then the red dot is located between the two square roots. By extension, to the nearest integer, the approximate value of the dot will be a little below half way between and , which is about the square root of . How would you simplify 3, 999, 999^0 a man is 72 inches tall, what is his height in meters? round to three significant figures. Pina filled out the following information on the back of her monthly statement:Ending balance from statement $1,139.78Deposits outstanding+ $280.67Total of checks outstanding- $656.91Revised statement balanceBalance from checkbook$763.54Find Pina's revised statement balance. Does her account reconcile? Rocks around mid-ocean ridges teach scientists about A. how wide abyssal plains are B. how earthquakes happen C. changes in the earth's crust Substitute the length of the sides (7 in, 25in n)into the Pythagorean theorem. Then, find the length of the missing side m(Please with step by step answer) How is pressure release mechanical weathering ? 28+7+2=x+1Solve equation Rewrite as a simplified fraction.2.37 = ?