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3 years ago

Could someone help me

Mathematics

1 answer:

Leokris [45]3 years ago

4 0

The correct answer would be D and I'll explain why. The table is giving you coordinates that are supposed to be on the coordinate plane. When reading coordinates and placing them on a plane x goes before y. Therefore the first point would be (3, -4). Because 3 is x, you need to go along the x-axis until you find a positive 3 - which would be to your right. Next is -4 on the y-axis, which would be the vertical line. The positives will always be above and to the right. Since it's a negative number, you go down until you find a negative 4. Now that you've found where 3 and -4 is, see where they intersect and that's where the point will be. Now, you can continue like this for the rest of the coordinates.

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Help me plz I need it I'm very desperate help

Klio2033 [76]

Answer:

1/45

Step-by-step explanation:

There are 10 marbles

P ( yellow) = yellow marbles / total = 2/10 = 1/5

We do not replace the marble

There are 9 marbles, 1 of which is yellow

P ( yellow) = yellow marbles / total = 1/9

P ( yellow, no replacement, yellow) = 1/5 * 1/9 = 1/45

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3 years ago

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True or False?: To make a sketch of any rational function whose numerator is a number and whose denominator is a factored polyno

sergejj [24]

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3 years ago

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Helpnfast!!!!!!!!!!!!!!!!!!!!!

Reil [10]

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3 years ago

Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0

Black_prince [1.1K]

Answer:

x = pi, 3pi, 5pi etc

x = -pi, -3pi, -5pi etc

Step-by-step explanation:

cos^2 x + 2 cos x + 1 = 0

replace cos x with m

m^2 + 2m +1 = 0

solve by factoring (this is a^2 +2ab+b^2 = (a+b)^2 where a =m and b=1)

(m+1)^2=0

take the square root of each side

m+1 =0

m=-1

now replace m with cos x

cos x = -1

take arccos of each side

arccos cos x = arccos (-1)

x = pi, 3pi, 5pi etc

3 0

3 years ago

Pls give me the full answer

nikdorinn [45]

All of the Questions are solved on the images shown below. These images are from Microsoft Whiteboard that I created.

<h2>I'm in sixth grade, and don't know how to answer 2 and 5. So I'm only going to answer questions 1, 3 and 4. </h2>

really sorry about that

1. Answer = 90m²

3. Answer = 50in²

4. Answer = 108cm²

yup, this is how weird i am

I took the screen shot of answer 3 before 1 lol!

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so sorry I couldn't help on all problems

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Thanks!

Have a great day!

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2 years ago