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mafiozo [28]
2 years ago
6

YO NEED SOME HELP ON THIS END OF GRADE SOON!!

Mathematics
2 answers:
Olin [163]2 years ago
6 0

Answer:

<h2>B</h2>

Step-by-step explanation:

__________________________________________________________

<em>B is the answer because,</em>

<em>if the negative sign is not inside the "brackets," then the number will still be negative.</em>

<em>__________________________________________________________</em>

<em>But, if the negative sign is connected to the number, or inside the "brackets," then it will always be positive.</em>

<em>__________________________________________________________</em>

<em>Here are the reasons why the rest are wrong.</em>

<em>__________________________________________________________</em>

<em>A is not correct because the outcome isn't negative, even though it's correct in mathematical instances.</em>

<em>__________________________________________________________</em>

<em>C is not correct because it is plainly not correct in itself.</em>

<em>__________________________________________________________</em>

<em>D is also not correct because it is not correct in the mathematical equations, even though it has a -9 as the equal, it's still wrong.</em>

<em>__________________________________________________________</em>

<em>Hope this helps! <3</em>

<em>__________________________________________________________</em>

Scorpion4ik [409]2 years ago
5 0

Answer: b

Step-by-step explanation:

Cuz is a negative get in absolute value it always comes out positive

And it says below 0-9=-9

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The sum of the numbers j,k, and m is 115. The ratio of j to k is 2:7 and the ratio of k to m is 14:5. What is the value of k?
I am Lyosha [343]

Answer:

I know how to help you.

Step-by-step explanation:

There is a web site called Khan Academy and it can help you understand how to solve it and it is completely free and you can use it as much as you want. There are videos that explain it to you and problems like help with practice I 100% reccomend it!

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3 years ago
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Answer:

see below

Step-by-step explanation:

x⁵ - 8x⁴ + 22x³ - 26x² + 21x - 18 = 0

x = 2,  x = ± i,   x=3  with multiplicity 2

-----------------------------------------------------

x⁴ - 5x³ + 7x² - 5x + 6 = 0

x = 2,   x=3,   x = ± i

--------------------------------------------------------

<u>-1 + 4i</u>    =  4 + i

    i

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x³ - 26x² + 21x - 18 = 0

x = ± 2i,   x = 3/2

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(1 + i) (-3 - 4i)

= 1 - 7i

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6.

(-5 + 2i) + (3 - 6i)

= -2 -4i

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x⁴ + 5x² + 4 = 0

x = ± i ,     x = ± 2i

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8.

(7 - i) - (-5 + 6i)

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9.

(4 - i) (4 + i)

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10.

(3 + 8i) (4 - 3i)

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3 years ago
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Answer:

0.16666666666 or 16666666666/100000000000

Step-by-step explanation:

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The surface area of a cylinder is define by the formula S.A.=2πrh+2<span>πr^2, where the first part of the formula refers to the lateral area, perimeter, or circumference and the second part to the area of the bases, which are circles.

On this exercise it is asked to find the lateral area of a cylinder whose radius is 6 cm, and has a height of 20cm. To find the lateral area of the cylinder you should substitute this values into the formula, S.A.=2</span>πrh, and as can be seen the answers are given in terms of <span>π or pi.

S.A.=2</span><span>πrh
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7 0
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timofeeve [1]

<u><em>1</em><em>s</em><em>t</em><em> </em><em>photo....</em></u>

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