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3 years ago

Please help me. Please

Mathematics

2 answers:

lilavasa [31]3 years ago

3 0

Answer:

Nah

Step-by-step explanation:

cricket20 [7]3 years ago

3 0

4/ √2 ? Hope this helps but I’m confused on what the question is.

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What is cosine ? I really need this answer for my test tomorrow. Please help

Kisachek [45]

Cosine is $\frac{adjacent}{hypotenuse}$ which applies to a right triangle. I hope that helps you.

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3 years ago

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Samantha has these can goods in her pantry.

Alexus [3.1K]

Answer:

I believe it will be 1/15

Step-by-step explanation:

The reason I think this is because there is more caned green beans then corn but at the same time she might choose corn because that might be a good dinner

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3 years ago

What is the equation of line perpendicular to y-3=-4(x+2) and passee through the point (-5,7

netineya [11]

Answer: $y=\frac{1}{4}x+\frac{33}{4}$

Step-by-step explanation:

1. By definition, two slopes are perpendicular if their slopes are negative reciprocals of each other. So, let's find the slope of the other line.

2. The equation given in the problem is written in Point-slope form:

$y-y_1=m(x-x_1)$

Where m is the slope.

3. Therefore, the slope of its perpendicular line must be:

$m=\frac{1}{4}$

4. You have the point (-5,7), so you can substitute it into the point-slope formula to find the equation of the new line:

$y-7=\frac{1}{4}(x+5)$

5. In slope intercept form is:

$y=\frac{1}{4}x+\frac{5}{4}+7\\y=\frac{1}{4}x+\frac{33}{4}$

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3 years ago

It costs $3 for a pack of 20 pencils. Find the cost per pencil.

Cerrena [4.2K]

Answer:

20/3

Step-by-step explanation:

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3 years ago

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I need help putting correct answers in the yellow boxes.

olasank [31]

Answer:

-5 ± √5² - 4 · 1 · 4

2 · 1

Step-by-step explanation:

ax²+bx+c=0 (quadratic equation)

x= -b ± √b² - 4ac

a= 1

b= 5

c= 4

-5 ± √5² - 4 · 1 · 4

2 · 1

7 0

2 years ago