MATHEMATICS MIDDLE SCHOOL

I WILL GIVE YOU BRAINLIEST IF YOU ANSWER THE WHOLE QUESTION CORRECTLY.PLEASE EXPLAIN EVERY STEP OF YOUR ANSWER CLEARLY!

15. 0=x^2-2x-24
A. x=-6,4
B. x=-6,-4
C. x=6,-4
D. x=6,-4 ****

Answers

Answer 1

Answer:

Answer:

X=6,-4

Step-by-step explanation:

0=x^2-2x-24

First substitute x with 6

0=(6)^2-2(6)-24

36-12-24

Now try -4

0=(-4)^2-2(-4)-24

Two negative numbers time each other turns it into a positive number -4 x -4=16

24-24=0

Answer 2

Answer:

Answer:

Step-by-step explanation:

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Write an equation to solve this problem:5/9 of 100?Thanks!

Which expression is equivalent to 10n + 81 - 4n - 9?6n +90
14n +72
6n +72
14n +90

Answers

6n + 72 is the expression is equivalent to 10n + 81 - 4n - 9

What is Expression?

An expression is combination of variables, numbers and operators.

The given expression is 10n + 81 - 4n - 9

Ten times of n plus Eighty one minus four times of n minus nine

In the given equation n is the variable, plus and minus are operators

10n + 81 - 4n - 9

We need to add the like terms.

Like terms means terms of variables with same power.

10n + 81 - 4n - 9

6n+72

Hence, 6n + 72 is the expression is equivalent to 10n + 81 - 4n - 9

To learn more on Expressions click:

brainly.com/question/14083225

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Answer:

6n + 72

Step-by-step explanation:

10n + 81 - 4n - 9

6n + 72

Jon and Jim painted a fence. Jon painted 14 of the fence and Jim painted 512 of the fence. How much of the fence did they paint total?

Answers

526 add four to 512 =516 +10=526

526. you just add 14 to 512

Graph each figure and its image under the given reflection

Answers

We can’t graph here, sorry

What is 8 and 7/12 times 3

Answers

$8(7)/(12) = (103)/(12)$
3= $(36)/(12)$

$(103)/(12)$ × $(36)/(12)$ = $(3708)/(144)$ = $(103)/(4)$ =23.75

8 7/12 * 3

(8*12 + 7)/12 * 3

103/12 * 3

= 103 / 4

= 25 3/4

Find the radius of the circle whose equation is x² - 10x + y² - 10y = -1.1
7
49

Answers

Answer:

radius = 7 units

Step-by-step explanation:

We are given the equation;

x² - 10x + y² - 10y = -1

We are required to determine the radius of the circle;

We are going to use completing square method to solve for the radius and the center of the circle.

First we make sure the coefficient of x² and y² is 1

x² - 10x + y² - 10y = -1

Then we add the square of half the coefficient of x and y on both sides of the equation;

That is;

$x^2- 10x+((-10)/(2))^2 + y^2+- 10y +( (-10)/(2))^2= -1 +((-10)/(2))^2+ ((-10)/(2))^2$

Simplifying the equation, we get;

$(x-(10)/(2))^2 + (y-(10)/(2))^2= -1+25+25$

Thus;

$(x-(10)/(2))^2 + (y-(10)/(2))^2= 49$

That is;

$(x-5)^2 + (x-5)^2 = 49$

The equation of a circle is written in the form of;

$(x-a)^2+(x-b)^2=r^2$

Then (a, b) is the center and r is the radius.

Therefore;

In our case; $(x-5)^2+(y-5)^2=49$

Then, center = ( 5, 5)

radius = √49

= 7 units

45 POINTS!! PLEASE HELP!! Im struggling on a math assignment and if I fail the class I can't graduate. I need someone to create a histogram for me.The numbers in my chart are 1, 4, 9, 10, 12, 16, 16 and for the life of me i can't figure out how to make a histogram with them.