MATHEMATICS HIGH SCHOOL

Solve for r |-8r-6|=9

Answers

Answer 1
Answer: -14r i belive because it makr the most sense
Answer 2
Answer:

Answer:

-8r - 6 = 9\n +6 +6\n-8r = 15\n(-8r)/(-8) (15)/(-8) \nr = -1.875

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Two equations are given below:a – 3b = 4
a = b – 2

What is the solution to the set of equations in the form (a, b)? (5 points)


(–2, –2)
(–3, –1)
(–9, –7)
(–5, –3)

Answers

a - 3b = 4
a = b -2

(b - 2) - 3b = 4
b - 2 - 3b = 4
-2b = 4 + 2
-2b = 6
b = 6/-2
b = -3

a = b - 2
a = -3 -2
a = -5

to check: a = -5 ; b = -3  ⇒ (-5,-3)
a - 3b = 4
-5 - 3(-3) = 4
-5 + 9 = 4
4 = 4

Quick Help, Long Division
3x+2 ÷9x^2-9x-10

Answers

Hello,
Answer (3x+2)(3x+5)


the product of two integers is -21. the diference between the two integers is -10. the sum of the two integers is 4. what are the two integers

Answers

it would be 7 and -3
7 x -3 = -21
difference = -10
the sum = 4

hope this helps you
The two integers are -3 and 7.

If f(x) = 4x − 6 and g(x) = 6x − 4, what is f · g?

Answers

Answer:

f · g = 24x² - 52x + 24

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Terms/Coefficients
  • Expand by FOIL
  • Functions
  • Function Notation

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 4x - 6

g(x) = 6x - 4

Step 2: Find f · g

  1. Substitute in function values:                                                                          f · g = (4x  - 6)(6x - 4)
  2. Expand [FOIL]:                                                                                                  f · g = 24x² - 16x - 36x + 24
  3. [Subtraction] Combine like terms:                                                                   f · g = 24x² - 52x + 24

True or false. in a two-column proof the left column contains a series of deductions

Answers

it's TRRRRRRRUUUUUUUUUUUUUUUUUUEEEEEEEEEEEEE
the answer Is true.

A team t-shirt costs $3 per adult and $2 per child. On a certain day, the total number of adults (a) and children (c) who bought shirts was 100, and the total money collected was $275. Which of the following options represents the number of children and the number of adults who purchased team shirts that day, and the pair of equations that can be solved to find the numbers? A.) 75 children and 25 adults
Equation 1: a + c = 100
Equation 2: 3a − 2c = 275

B.) 75 children and 25 adults
Equation 1: a + c = 100
Equation 2: 3a + 2c = 275

C.) 25 children and 75 adults
Equation 1: a + c = 100
Equation 2: 3a − 2c = 275

D.) 25 children and 75 adults
Equation 1: a + c = 100
Equation 2: 3a + 2c = 275

Answers

Answer:

Option D is correct.

Step-by-step explanation:

A team t-shirt costs $3 per adult and $2 per child.

Let the number of children be = c

Let the number of adults be = a

A team t-shirt costs $3 per adult that is 3a and $2 per child that is 2c, also given is that the total money collected is $275, so equation becomes:

3a+2c=275

On a certain day, the total number of adults (a) and children (c) who bought shirts was 100, equation becomes: a+c=100

Now to know the number of children and adult, we can check by plugging in the values from options provided.

25 children and 75 adults  = 25(2)+75(3)=50+225 =275

Rest options do not fulfill the requirements, so Option D is correct.

The answer is: 

25 children and 75 adults 
Equation 1:a + c=100
Equation 2: 3a + 2c=275

Have a nice day!
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