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3 years ago

What is the solution to the inequality?

2 answers:

8 0

The steps to solving an inequality are: add or subtract from each side - multiply or divide both sides - simplify.

5x + 8 > -12
5x > -12 - 8
5x > -20
x > -20/5
x > -4

The answer is: x > -4

Liono4ka [1.6K]3 years ago

8 0

5x + 8 > -12 5x > -12-8 . 5x> -20 . 5/5x> -20/5 . x > -4 C

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What is the equation of the line in the following graph? 1)y=x+2

Levart [38]

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have two points (2, 0) and (-2, -4). Substitute:

$m=\dfrac{-4-0}{-2-2}=\dfrac{-4}{-4}=1$

Therefore we have the equation of a line

$y=1x+b\to y=x+b$

Put the coordinates of the point (2, 0) to the equation:

$0=2+b$ <em>subtract 2 from both sides</em>

$-2=b\to b=-2$

Answer: $\boxed{y=x-2}\to\boxed{3)}$

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3 years ago

Can anyone help me in Ptolemy's theorem?

GalinKa [24]

Answer:

Well, I'm not sure what you mean but Ptolemy's Theorem gives a relationship between the side lengths and the diagonals of a cyclic quadrilateral; it is the equality case of Ptolemy's Inequality. Ptolemy's Theorem frequently shows up as an intermediate step in problems involving inscribed figures.

8 0

3 years ago

out of 30 questions on the maths test tomi knew the answer to 27 of them what percentage of questions did tomi know the answer f

Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

$\frac{27}{30} \times 100$

so after we cut the nessecary we get 90%

Hope this helps you

Mark as the brainlist

thank you

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3 years ago

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kari74 [83]

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3 years ago

Provide an expression that is equivalent to -3(8+2) ?

aliina [53]

Answer:

-3(8+2)=-30

Step-by-step explanation:

-3(8+2)

(8+2)=10

-3×10=-30

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3 years ago