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3 years ago

Please help i will fail this if i get it wrong again

Mathematics

1 answer:

alexandr402 [8]3 years ago

6 0

can u please send a clear one I can't see well

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Which statement is true about the graphs of the two lines y=-8x-5/4 and y= 1/8 x + 4/5?

PIT_PIT [208]

These two lines intersect.

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3 years ago

A card is selected at random from a standard deck of playing cards.

notsponge [240]

$|\Omega|=52\\|A|=4\\\\P(A)=\dfrac{4}{52}=\dfrac{1}{13}$

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3 years ago

"Rather than walk all the way

Olenka [21]

Answer:

5.8com shorter

Step-by-step explanation:

I used the pythagoremy theorem to find the missing side length.

$a^{2} +b^{2} = c^{2}\\5^{2} +3^{2} = c^{2}\\25+9= c^{2}\\34=c^{2} \\\sqrt{34} = {c}^{2}\\5.8cm$

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3 years ago

What is the inequality?

vlabodo [156]

Answer:

y < 0.25x + 4

Step-by-step explanation:

The dotted line indicates that the inequality is either a greater than(>) or less than(<). This is because the answer does include the set of points along the line.

We are looking to find an inequality such that any point below that is considered a solution. Thus, after finding the line's equation in slope-intercept form, we can replace the = with <.

Solving for the line:

Take any 2 points and determine the slope. I used (-8,2) and (0,4). The slope using $\frac{y_2-y_1}{x_2-x_1}$ results in $\frac{1}{4}$ or 0.25. As we can see visually from the graph, the y-intercept is (0,4). Thus, the equation of the line is y = 0.25x + 4.

Now all we do is replace the = with the < and we have our answer:

y < 0.25x + 4

4 0

3 years ago

Read 2 more answers

How can you quickly determine the number of roots a polynomial will have by looking at the eqation?

maw [93]

Easy way is to look at the term with the highest exponent. The exponent determines the number of roots. Some might be double roots. THough not all of then will be real. The imaganry ones come in pairs
Examples:
x^4 - 4 roots
x^7 - 7 roots
x^3 - 3 roots

3 0

3 years ago