All categories

3 years ago

(7x+3)(x-9) need help

1 answer:

8 0

7x^2-63x+3x-27=0

Simplify.

7x^2-60x-27=0

To find value of x, 7x+3=0
x-9=0

x1=-3/7
x2=9

Substitute back in equation to find the answer either x1 or x2

You might be interested in

Jake sold 36 tickets to the school fair, and Jeanne sold 15 tickets. what is the ratio, in simpliest form, to the number of tick

anzhelika [568]

Answer:

I kinda forgot how to do ratios but i think it would be 12 and 5

Step-by-step explanation

Jake Jeanne

36 15

12 5

8 0

2 years ago

Make a comparison true. Drag and drop tenth value to fill in the blank. Select all that apply. 24. _ > 24. 34

spayn [35]

Answer:

Step-by-step explanation:

These items may be used by Louisiana educators for educational purposes. Grade 7 Answer Key. ITEM 14. Use the table to answer the question.

3 0

2 years ago

How do I work this out?

Crank

Answer:

$503.90

Step-by-step explanation:

6500 X .93= 6045

6045/12=503.90

8 0

3 years ago

Read 2 more answers

Let f(x) = x2 − 8x + 5. Find f(−1)

rewona [7]

Answer:

Step-by-step explanation:

$f(x)=x^2-8x+5$

now substitute x for -1

$f(-1)=(-1)^2-8(-1)+5$

now solve

$f(-1)=1+8+5$

$f(-1)=14$

there is your answer! hope this helps! :)

5 0

2 years ago

Read 2 more answers

PLS HELP ME ! ! ! ! !

emmainna [20.7K]

Answer:

D (0, 2)

General Formulas and Concepts:

Algebra I

The y-intercept is the y value when x = 0. Another way to reword that is when the graph crosses the y-axis.

Slope-Intercept Form: y = mx + b

m - slope
b - y-intercept

Step-by-step explanation:

Step 1: Define

y = 3/4x + 2

Step 2: Break Function

Identify Parts

Slope m = 3/4

y-intercept b = 2

8 0

2 years ago