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3 years ago

I need help on #3 I don't understand systems of linear inequalities since I wasn't there when my teacher explained it

Mathematics

1 answer:

photoshop1234 [79]3 years ago

3 0

Since y is anything greater than 2, you would draw a straight line across the point (from left to right) and if you had to shade you would shade above it (:

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Nakano’s Car Sales increased its sales of sedeans by 18%. By what fraction did the company increase its sales?

KATRIN_1 [288]

Answer:

9/50

Step-by-step explanation:

Turning 18% to a decimal= .18. As you turn the decimal to a fraction, it gives you 9/50

9/50= .18

4 0

3 years ago

12x + 3y = 9 solve for y

Vinvika [58]

Answer:

$\Longrightarrow: \boxed{\sf{y=3-4x}}$

Step-by-step explanation:

To solve for y, you have to isolate it on one side of the equation.

<u>First, you have to subtract by 12x from both sides.</u>

$\Longrightarrow:\sf{12x+3y-12x=9-12x}$

<u>Solve.</u>

$\Longrightarrow:\sf{3y=9-12x}$

<u>Then, you divide by 3 from both sides.</u>

$\Longrightarrow:\sf{\dfrac{3y}{3}=\dfrac{9}{3}-\dfrac{12x}{3}}$

<u>Solve.</u>

$\sf{\dfrac{9}{3}-\dfrac{12x}{3}}$

$\sf{\dfrac{9-12x}{3}}$

Use the distributive property.

$\underline{\text{DISTRIBUTIVE PROPERTY:}}$

9-12x=3(3-4x)

$\sf{\dfrac{3\left(3-4x\right)}{3}}$

<u>Divide the numbers from left to right.</u>

3/3=1

3-4x

<u>Then, rewrite the problem down.</u>

$\Longrightarrow: \boxed{\sf{y=3-4x}}$

<u>Therefore, the correct answer is y=3-4x.</u>

I hope this helps! Let me know if you have any questions.

4 0

3 years ago

Read 2 more answers

What values of x make 3 - 4x > 17 true?

julsineya [31]

Answer: x < -3.5

Step-by-step explanation:

Subtract 3 from both sides and we get

-4x > 14

We divide -4 on both sides, but be careful because we have to flip the sign since it's a negative number.

x < -3.5

4 0

3 years ago

What is the slope-intercept equation of the line below?

kkurt [141]

Answer:

5=67

Step-by-step explanation:

54÷0=2×4=567

=44+4=667÷6

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3 years ago

Solve the following equation

9966 [12]

Answer:

X= -1/3 or 4

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers