Mathematics High School

Consider the equation and its solution.
8(x-2) = 64
8x-18-84
8x = 80
X=10
Which property is used in the last step to find thatx-10?
distributive property
addition property of equality
subtraction property of equality
division property of equality

Answers

Answer 1

Answer:

division property of equality

Step-by-step explanation:

The property used in the last step to find x = 10 in the expression is the division property of equality.

      8(x-2) = 64

      8x-18 = 84

        8x = 80

         x = 10

In 8x = 80 ;

 Division property of equality was used to find the value of x.

The property states that when we divide both sides by a non-zero value, the two sides remains the same.

Related Questions

Help!!!! Find the value of x

Answers

Answer:

180=x+10+64

-x=74-180

-x= -106

x=106

Step-by-step explanation:

A rectangle has a length that is 7 inches less that twice it's width. The area of the rectangle is 72 square inches. Write an equation that represents this solution.

Answers

Answer: [tex]2x^2-7x=72[/tex] , where  x= width of the rectangle ( in inches).

Step-by-step explanation:

Let x= width of the rectangle ( in inches).

Then its length =  2x-7 ( in inches).

Area of rectangle = Length × width

= (2x-7) × (x)

= 2x × x -7 ×x

= 2x²-7x

The area of the rectangle is 72 square inches.

[tex]\Rightarrow\ 2x^2-7x=72[/tex]

Hence, the equation that represents the given situation :

[tex]2x^2-7x=72[/tex]

Which operation should you perform first in the expression 12×42?

Answers

Answer:

Muitiplication

Step-by-step explanation:

12x42=504

I would perform the multiplication (12 × 16) last.

la) 43 - 2x = 11 its regular equations

Answers

Answer:

x = 16

Step-by-step explanation:

Hope this helps!!

The function f(x) = x^3 − x + 4, in continuous in the interval [1, 2]. Find the value of ‘x' at which the function takes the value 7. (Hint: Use f(x) = 7)

Answers

Answer:

2

Step-by-step explanation:

Given the function

f(x) = x^3 − x + 4 in the interval [1,2]

We are to find the value of x for which f(x) = 7

Substitute f(x) = 7 into the expression as shown!

f(x) = x^3 − x + 4

7 = x^3 − x + 4

x^3 − x + 4 -7 = 0

x^3 − x - 3= 0

x^3 -x = 3

x(x²-1) = 3

x²-1 = 3 and x = 3

x² = 3+1

x² = 4

x = ±√4

x = ±2

Since x lies within the interval, [1,2] hence the value of x is 2

what is the location of all the numbers??

Answers

Answer:

Item 1: -3,3.5

Item 2: -3,1

Item 3: -1,-2.5

Item 4: 2.25,-1

Answer:

item 1. (3,3.5 )

item 2. ( 3, 1 )

item 3. (-1 , -2.5)

item 4. ( 2 , -1 )

Step-by-step explanation:

Substitute 9 into each equation to determine if 9 is the solution. Drag each equation into the correct column.

Answers

Answer:

m times 3 = 27

b plus 4 = 13

p minus 5 = 4

Those can all be solved with 9

the other can not

Step-by-step explanation:

i hope this helped

Which of these figures have lines of symmetry? If so, how many? ​

Answers

Answer:

1, 4, 0

Step-by-step explanation:

the way you did it was just right, the arrow can only be split 1 time with equal sides. The hexagon can be split 4 times with equal sides. But the lighting strike cannot be split with equal sides symmetry.

mark brainliest if helped :D

HELP IT"S ALGEBRA CAN SOMEONE DO THIS QUICK

Answers

Answer:

(2,2)

Step-by-step explanation:

Answer:

I would have to say D.

Step-by-step explanation:

Sorry if I'm wrong

Hi. I need help with these questions. (See image for question).
Answer only (e) and (f)
​

Answers

i solved the last 3 d is extra

Need help with the unit rate and questions!​

Answers

I can’t the picture well enough man
i can’t see the pic bro

Solve x and y. Plz show work

Answers

Answer:

y = 72°, x = 36°

Step-by-step explanation:

Step 1:

2x + 3x = 180°         Supplementary ∠'s

Step 2:

5x = 180°         Combine Like Terms

Step 3:

x = 180° ÷ 5         Divide

Step 4:

x = 36°      

Step 5:

3x + y = 180°        Supplementary ∠'s

Step 6:

3 ( 36 ) + y = 180°      Input x value

Step 7:

108° + y = 180°       Multiply

Step 8:

y = 180° - 108°         Subtract

Answer:

y = 72°, x = 36°

Hope This Helps :)

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Answers

Answer:

h

Step-by-step explanation:

How would you find the area of this circle?
9 cm

Answers

Answer:

answer C

Step-by-step explanation:

Answer:

opt B

Step-by-step explanation:

A=pi times radius squared

A=pi times 4.5 squared

4.5 is half of 9

proof 9/2

What's the equation of the graph shown above?
A) X= -4
B) y = 0
C) x = 2y
D) y= 5

Answers

D because on the Y-axis it’s going to always be 5

Answer:

d

Step-by-step explanation:

Jordan has $20 to share with three people how much money do three people get

Answers

Maybe 6 dollars? Sorry if i'm wrong :(

Answer:

each person would get 6.66 dollars and 2 dollars would remain left iver

The equation x=-3 is:

Answers

Answer:

C

Step-by-step explanation:

It Is not a function, please check out the definition of function on google.

Answer:

Since x=-3, as a vertical line, has infinite values of y associated with this single value of x this is not a function. hope this helps.

Step-by-step explanation:

Which conic section is represented by the following equation?
3x2 – 7x + 8y2 - 2y + 1 = 0

Answers

Answer: ellipse

Step-by-step explanation:

on edge you can graph it too if you want to check.

Hi. I need help with this questions.
See image for question
​

Answers

Answer:

p = 3, q = 2/3, r = 14/3

Step-by-step explanation:

Given equationy = 3x² - 4x + 6To find

The constants p, q, r when

3x² - 4x + 6 = p(x - q)² + rSolution

The least value is at vertex of the parabola ax² + bx + c, with positive a

x and y -coordinates of the vertex is:

x = -b/2a = - (-4)/(2*3) = 2/3y = 3(2/3)² - 4(2/3) + 6 = 3(4/9) - 8/3 + 6 = 4/3 - 8/3 + 6 = 14/3

The vertex form is:

y = a(x-h)² + k, where (h, k) is the vertex

Applying the same formula to our equation:

3x² - 4x + 6 = 3(x - 2/3) + 14/3

The constants p, q and r are:

p = 3, q = 2/3, r = 14/3

What is the equation of the vertical asymptote of h(x)=6log2(x−3)−5?
X=

Answers

Answer:

3

Step-by-step explanation:

i just took the test and put 2 and that was wrong

the king is having a sale where customers can buy 4 new tires for 419.96 what is the unit price of the tires

Answers

Answer:

you just do 419.96/4 which in this case equals 104.99

Step-by-step explanation:

Guess the car GIVING BRAINIEST
Hint**1959**
Google image search wont work ;)

Answers

Answer:

A ford Angelina

Step-by-step explanation:

Answer:

a cadillac..................?

HELP ME PLEASE!! <3​

Answers

Answer:

Y = 2x + 4

Step-by-step explanation:

The slope (rise / run) is 2 and the y-intercept is 4.

Hope this helps. Pls give brainliest.

how many dimes are in 16 quarters

Answers

uhh....umm 4 .....6 no 16 .....uh no carrots

Answer:

40 dimes

Step-by-step explanation:

ROC and intro to slopes guided notes:
This graph represents the linear relationship between time and distance for both Car 1 and Car 2.
Slope of Car 1 = 1 Speed of Car 1 = 1 mi
min
Speed of Car 2 = 1 mi 2 min
How can you determine by looking at the graph which car is moving at a faster rate? The the line, the the slope.
Car 1 is moving at a speed than car 2.

Answers

Answer:

Step-by-step explanation:

The steeper the line (graph), the greater the slope and the greater the speed of that particular car.  It is instantly obvious that of the two lines shown, the yellow graph has the greater slope and thus the greater speed.

"The steeper the line, the greater the slope(speed).  "Car 1 is moving at a speed than car 2."

Answer:

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Step-by-step explanation:

guys what is 91u4y27i3uhn b n cnbvvfhhhhhggggggg 0fes

ok bye

Answers

Answer:cxwqashujk

Step-by-step explanation:

Brand A cereal contains 10 cups of cereal.Brand B cereal has 30 percent more cereal in the box than brand A.How many more cups of cereal are in Brand B cereal

Answers

Answer:

3

Step-by-step explanation:

if B has 30% more than A then 1.3 multiplied by 10= 13

so B contains 13 cups

13-10 is how many more B has than A

so the answer is 3

A circular garden has a radius of 3 meters. What is the area of the garden? Write your answer using π. Show your work.

Answers

Answer: 9[tex]\pi[/tex]

Step-by-step explanation:

Sorry the pi sign looks weird. The formula for area of a circle is [tex]a=\pi r^2[/tex], so we have to substitute the radius with 3. The square of 3 is 9, so the answer is 9pi.

URGENT !!!

a dairy farmer sells milk at a farmer’s market. the graph shows what she charges for different quantities of milk.

questions:

a. what is the slope of the line?

b. how much will the farmer charge for half a gallon of milk?


Answers

a) m = 9/2
b) half a gallon = 1/2
So, $2

Find the x-intercepts for the parabola defined
by this equation:
y=3x² + 3x - 6
Write your answer as two ordered pairs:
(x1.yı). (x2,42)
Separate the values with a comma. Round, if
necessary, to the nearest hundredth

Answers

Answer:

[tex]x-intercept(s): (1,0),(-2,0)[/tex]

Step-by-step explanation:

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