2 years ago

PLS HELP MULTIPLE CHOICE

Mathematics

1 answer:

Delvig [45]2 years ago

8 0

Answer:

I think it is the first and the second one

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Work out the surface area of the shapes in the attached file

grin007 [14]

Answer:

Find the area of every shape

12 x 9 = 108. Don't divide because there is two

12 x 14 = 168

14 x 9 = 126

15 x 14 = 210

108 + 168 + 126 + 210 = 612

____________________

2 x pi x radius x height + 2 x radius x radius x height

466.5

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Manu picked 10 apples, and then Sten gave him 10 more. Manu gave 5 of the apples to Klara. How many

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Answer:

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What numbers make this expression undefined x^2+3/x^2-11x-12

marusya05 [52]

$\frac{ {x}^{2} + 3}{ {x}^{2} - 11x - 12}$

Because which numbers will make the expessions undefined. We will focus on the denominator only.

Factor the terms.

$(x - 12)(x + 1)$

Now which 2 numbers that will make these terms become 0?

12 and - 1 of course.

So these 2 numbers that will make the expressions undefined are 12 and - 1

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How to write an algebraic expression for (r+1) /14

Fittoniya [83]

I'm not so good but I think thatmeans r is a different number and its half of 14 so figure out an equation

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The length of a rectangle is two more than twice the width. the perimeter is 58ft. what is the area of the rectangle?

goldenfox [79]

58/2 = 29

w +2w+2 = 29

3w+2 =29

3w = 27

w = 27/3 = 9

width = 9

length = 2*9=18+2 = 20

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Length = 20 feet

width = 9 feet

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2 years ago