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3 years ago

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Please help I will reward brainly!!

1 answer:

____ [38]3 years ago

3 0

Votes were divided in the 1860 election due to the issue of slavery.

The south had threatened to secede if Abraham Lincoln was voted President and actively voted against him, yet the north wanted his expertise and to help unify the country once more.

Hope this helps!

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Need help finding equation

Elden [556K]

Answer:

Step-by-step explanation:

Based on the two graphs I see at the bottom of the photo, you're looking at a quadratic function. The answer you put in is a linear equation.

Quadratic functions follow the form $ax^2+bx+c$ , where a, b, and c can be either positive or negative constants.

The table says that the equation, when graphed, should start at the top, slide to the bottom, and then slide back up to the top. So a must be positive.

c has to be -8 since it's the y-intercept.

So far, our equation is $ax^2+bx-8$ . We'll need to plug in some points in order to work out what $a$ and $b$ are.

Let's use $(-2,5)$ as the first set of points, and $(4,14)$ as the second set.

$5=a(-2)^2+b(-2)-8\\14=a(4)^2+b(4)-8\\$

Now we have 2 equations with 2 unknowns. Solve for one variable:

$5=4a-2b-8\\13+2b=4a\\\frac{13+2b}{4}=a$

Now substitute that into the second equation:

$14=(\frac{13+2b}{4})(4^2)+4b-8\\14+8=(13+2b)(4)+4b\\22-52=8b+4b\\-30=12b\\-\frac{30}{12}=-\frac{10}{4}=-\frac{5}{2}=b$

Now substitute the result into the first equation.

$\frac{13+2(-\frac{5}{2})}{4}=a\\\\\frac{13-5}{4}=a\\\\\frac{8}{4}=a\\\\ 2=a$

Now substitute our values back into the original equation:

$y(x)=2x^2-\frac{5}{2}x-8$

Please let me know if this is correct.

8 0

2 years ago

Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of stud

Rudik [331]

Answer:

You can wait at the front of the luchline and survey every tenth student.

Step-by-step explanation:

This way it is equal for everyone.

4 0

3 years ago

Find the total surface area of a clyinder.

Rashid [163]

Answer:

the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared.

7 0

3 years ago

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An art class costs $45 for materials and then

Rudiy27

45+10x the x stands for how many classes you take

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3 years ago

Give a girl gave me head would I get any disease

stiks02 [169]

Answer:

No, but you could give her a disease. You should get tested before any type of sexual interaction

Step-by-step explanation:

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2 years ago

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