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just olya [345]

3 years ago

12

A line is represented by the equation y = 3x - 6. Which is a coordinate of a

1 answer:

Furkat [3]3 years ago

6 0

Answer:

(2,0)

Step-by-step explanation:

Simply plug in the coordinates. y= 3x - 6, so in this case 0= 3(2) - 6 or 0=0, making the point on the line. If the equation is not true like when using (0,3) and getting 3= -6, then the point is not on the line.

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You have 200 items that cost $20 and you are selling them at the price of $100.

allochka39001 [22]

Your total profit is $13,000. First you bought the 200 items for $20 each. That costs $4,000. Then you sold $50 of the items at $100 each. That’s $5,000. So already you’re in the green. You’ve already made $1,000 profit. Then you sold the rest of the items at a 20% discount. 150 items multiplied by $80 is $12,000. $12,000 plus the $1,000 equals $13,000 total.

3 0

3 years ago

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good morning fellow brainsters please help me i’m tired and i just drank a four loko... can’t think. will give 15 points

borishaifa [10]

Answer:

7. $x=3$

8. l=11cm and w=7 cm

9. $x-5\ge12$

10. $\frac{x}{3}\le15$

Step-by-step explanation:

Question 7.

The given expression is:

$12-3(2x+1)=7x-3(7+x)$

Expand the parenthesis using the distributive property:

$12-6x-3=7x-21-3x$

Group similar terms:

$-6x-7x+3x=-21+3-12$

Simplify

$-10x=-30$

Divide both sides by -10

$x=3$

Question 8:

Let the width of the rectangle be; $w$

The length of the rectangle is $l=w+4$

The perimeter is given as: $P=2(l+w)$

Given that the perimeter P=36, then:

$36=2[(w+4)+w)]$

$\implies 36=2(2w+4)$

Divide both sides by 2:

$\implies 18=2w+4$

Subtract 4 from both sides:

$\implies 18-4=2w$

$\implies 14=2w$

$\implies w=7$

The dimensions of the rectangle is: w=7 cm and l=7+4=11cm

Question 9

Let the number be x.

"5 fewer than the number" is written as $x-5$

"5 fewer than a number is at least 12" becomes

$x-5\ge12$

Question 10:

Let the number be x.

The quotient of a number and 3 is written as:

$\frac{x}{3}$

The quotient of a number and 3 is no more than 15 is written as;

$\frac{x}{3}\le15$

4 0

4 years ago

In order to solve the following system of equations by subtraction, which of

PSYCHO15rus [73]

Answer:

option d.

Step-by-step explanation:

<em>Multiply the top equation by 3 and the bottom equation by 4.</em>

7 0

3 years ago

Which inequality statement describes the two numbers on a number line? "−5 and a number 4 units to the right of −5" A) 4 < −5

Marina CMI [18]

Answer: D

Step-by-step explanation:be cause you have to add 4 to negetive 5 and and that negetive 1 which is greater than -5

8 0

3 years ago

3. 40% of x is 35. Write an equation. Then use your equation to find x.

MrRissso [65]

Answer: x = 87.5

................

5 0

2 years ago

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