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3 years ago

A and B someone can help ny plis

Mathematics

1 answer:

kolezko [41]3 years ago

3 0

Answer:

Part A: 15 and 100 are the coefficients!

Part B: Two terms in the expression!

Step-by-step explanation:

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Select the correct answer. What are the solutions of this quadratic equation? 25x^2 + 1 = 0

Llana [10]

Answer:

no solution because the square root of a negative number is not a real number d=-100

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3 years ago

Determine the rate and the unit rate. $18 for 6 volleyballs

Nadusha1986 [10]

Answer:

3.00$ is the answer

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3 years ago

1. For the function f(x) = 3x + 1, find f(-2). (substitute -2 in for x)

puteri [66]

Answer:

f(-2) = -5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = 3x + 1

f(-2) is x = -2

Step 2: Evaluate

Substitute in x: f(-2) = 3(-2) + 1
Multiply: f(-2) = -6 + 1
Add: f(-2) = -5

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3 years ago

Write the following inequality in slope-intercept form for -4 x + 2y > -8

Aleksandr-060686 [28]

Answer:

The answer is "y < 2x - 4".

Step-by-step explanation:

Write in slope-intercept form, the formula is "y = mx + b"

6 0

3 years ago

Which graph best represents the function f(x)=2x ?

yan [13]

Answer:

Step-by-step explanation:

The best - well, only way- is to check a few points.

Namely -1 (unless your eyesight is really poor!), 0, 1, 2, and 3.

$f(x) = 2^x\\f(-1) = 2^-^1 = \frac12\\f(0) =2^0 =1\\f(1)= 2^1=2\\f(2)=2^2=4\\f(3)=2^3= 8$

Now you can mark all these points in each graph (well, you could if they were on paper and not on a screen) and see which one of the lines passes through all of them. Spoiler alert, it's the B graph.

A represents $2(2^x) = 2^{x+1}$ , B is the one you want, C is $\frac{2^x}2 = 2^{x-1}$ and D looks like $4^x = 2^2^x$

3 0

2 years ago