Simplify the expression: 2(4x-3)-7(x+1)

Answers

Answer 1

Answer: 2(4x-3)-7(x+1) first distribute
8x-6-7x+7 then combine the x's
x+13

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Which description of the graph of the linear inequality y ≥ 7x – 4 is correct? The graph will be a dashed line with a y-intercept of negative four and a slope of seven. The graph will be shaded below the line. The graph will be a solid line with a y-intercept of negative four and a slope of seven. The graph will be shaded above the line. The graph will be a solid line with a y-intercept of seven and a slope of negative four. The graph will be shaded below the line. The graph will be a dashed line with a y-intercept of seven and a slope of negative four. The graph will be shaded above the line.

Answers

Correct description of the given inequality will be, A solid line with y-intercept (-4) and slope 7. The graph will be shaded above the line.

Slope form of the line is given by equation,

y = mx + b

Where 'm' = Slope of the line

b = y-intercept

For a line having equation,

y = 7x - 4

Slope = 7

y-intercept = -4

If the line is an inequality, properties of the inequality will be defined by,

If the line is having a sign equal to (=), graph of the line will be a solid line.
If the solid line has a sign of greater than (>), solution set (shaded region) of the inequality will be above the line.
If the line has a sign of less than (<), solution set of the inequality will be below the line.

By these properties,

inequality y ≥ 7x - 4 will show,

A solid line with slope 7 and y-intercept as (-4).
Shaded area will be above the solid line.

Therefore, the graph will be a solid line with y-intercept (-4) and slope 7. The graph will be shaded above the line.

Learn more,

brainly.com/question/24166731

Answer:

The correct option is B

B) The graph will be a solid line with a y-intercept of negative four and a slope of seven. The graph will be shaded above the line.

Step-by-step explanation:

The given equation is

y ≥ 7x - 4

Consider only the equality sign:

y = 7x-4

y = 7x + (-4)

The general form of any linear equation is given by:

y = mx + c

By comparing, we can see that:

m = slope = 7

Secondly consider the equation

y ≥ 7x - 4

We know that generally for the signs "equal to and greater/smaller than", we use a solid line, and for the signs "greater/smaller than", we use a dashed line.

Hence, to graph this equation we'll use a solid line.

Thirdly, find y intercept by putting x=0

y = 7(0) - 4

y = -4

The correct option is B

Name two different numbers that round to 9.2 when rounded to the nearest tenth????

Answers

9.21, 9.22, 9.23, 9.24, or 9.25 would all work.

Juanita plans to purchase a 50 fl. oz. shampoo at $15.10. She has a $2.15 coupon off from the store. What is the final price for the shampoo?

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The final answer is $12.95 I think not sure

How can I anwser this ?? help me

Answers

Exactly like the previous question you posted.

-3x² - 9x = 0

Divide each side of the equation by -3 :

x² + 3x = 0

Factor the left side:

x (x + 3) = 0

This is true if x=0 or if x=-3 .

$-3x^2-9x=0\n -3x(x+3)=0\n x=0 \vee x=-3$

sam gave jen 1/2 of his jujubes. jen ate 1/2 of the jujubes and gave the rest to kyle. kyle kept 8 of the jujubes and gave the last 10 to kim. how many jujubes did jen eat

Answers

36 hope this helpssss

Jen ate 18 jujubes.
To find the answer to this problem, you should work it backwards.
Kyle had 18 jujubes in his possession before he gave some to Kim. Since Jen ate half and gave half to Kyle, 18 is half of the number that Jen had total. 18 divided by 1/2 will be 36. Jen had a total of 36, but she ate 18. And since Sam gave Jen 36, which was half of what he had, Sam had a total of 72 jujubes.

PLEASE 10 PTS!!!Carey is trying to decide between two guitars. The first had an original price of $160, but is on sale for $100. The second had an original price of $250, but is on sale for $150. Which guitar has a greater percent change in price?

A. The first guitar has greater percent change of approximately 35%.
B. The second guitar has a greater percent change of approximately 40%.
C. The first guitar has a greater percent change of approximately 54%.
D. The second guitar has a greater percent change of approximately 67%.

Answers

D because if you subtract $100 from $160 you get $40 off but if you subtract $150 from $250 you get $100 off so I believe it would be D.

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Last week it snowed 4.32 inches on Monday and 6.86 inches on Tuesday. It snowed 7.89 inches this week. Round each number to the nearest tenth. About how much more did it snow last week than this week? A. about 4.0 inches B. about 3.5 inches C. about 3.3 inches D. about 3.2 inches