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e-lub [12.9K]
2 years ago
15

This is not a question but who here is in RSM Middle school?

Mathematics
1 answer:
zysi [14]2 years ago
8 0
Not me but I do go to somewhere is spring where are y’all?
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What is the answer for question 1 and how
quester [9]

Step-by-step explanation:

ABC is an isoceles triangle (both legs are equally long). and AB is its baseline.

OC is now a median for ABC splitting the angle at C and AB in half.

so, we have 2 right-angled triangles : OAC and OBC.

the half-angles at C are 42/2 = 21°.

the angles at A and B are 90°.

and the half-angles at O are 180 - 90 - 21 = 69°.

remember that the sum of all angles in a triangle must always be 180°.

AB are the heights of both of these triangles.

the single height is sin(69)×7 = 6.535062985... cm

and so,

AB = 2× height = 13.07012597... cm.

4 0
2 years ago
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The sum of two trinomials is 7x2 - 5x + 4. if one of the trinomials is 3x2 + 2x - 1, then what is the other trinomial?
Margarita [4]

Answer:

  b.  4x^2 -7x +5

Step-by-step explanation:

When you know a sum and one of its contributors, you can find the other by subtraction. The other trinomial is ...

  (7x^2 -5x +4) - (3x^2 +2x -1)

  = (7 -3)x^2 +(-5 -2)x +(4 -(-1))

  = 4x^2 -7x +5 . . . . . matches B

5 0
2 years ago
What information would most likely be presented in graph form?
Sergio [31]

Answer:

How Fast something is going say like a car or a chart that tell how much the people you live around like that surtitle thing

Step-by-step explanation:

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3 years ago
Thirty work orders are selected from a filing cabinet containing 500 work order folders by choosing every 15th folder. which sam
Andru [333]
It is Systematic sampling
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Can someone please give me the answer I will mark u brilliant
Vikentia [17]
Rounding the answer is 100.
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