anonymous
  • anonymous
Please help with these two questions! Picture attached :)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Mertsj
  • Mertsj
17. Have you learned that the products of the chord segments are equal?
anonymous
  • anonymous
Yes, it's just finding x that I'm having trouble with.

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Mertsj
  • Mertsj
What equation did you write?
Mertsj
  • Mertsj
I will help you solve it.
anonymous
  • anonymous
I haven't written an equation yet. I really have a hard time with equations, I'm not very good with them :/
Mertsj
  • Mertsj
Do you see the two chords in your picture?
anonymous
  • anonymous
2x+3 and 4 are a chord, and 10 and x are the other chords, right?
Mertsj
  • Mertsj
Yes. So far so good. Do you know what a product is?
anonymous
  • anonymous
I don't think I do
Mertsj
  • Mertsj
A product is the answer to a multiplication problem. 4 times 3 equals 12. 12 is the product.
Mertsj
  • Mertsj
What is the product of 2x+3 and 4?
anonymous
  • anonymous
That's what I'm having trouble with, I can't figure that out :/
Mertsj
  • Mertsj
4(2x+3) have you heard of the distributive property?
anonymous
  • anonymous
It's been a while, that's why I'm pretty rusty with this stuff!
Mertsj
  • Mertsj
Distribute the 4 to the 2x and to the 3 What is 4 times 2x?
anonymous
  • anonymous
8
Mertsj
  • Mertsj
4 times 2x is 8x. What is 4 times 3?
anonymous
  • anonymous
12
Mertsj
  • Mertsj
So 4(2x+3)=8x+12
Mertsj
  • Mertsj
Now the other chord. the two parts are 10 and x. what is 10 times x?
Mertsj
  • Mertsj
|dw:1333323353778:dw|
anonymous
  • anonymous
That is where I get lost, because I honestly have no idea :/
anonymous
  • anonymous
4(2x+3)=8x+12
Directrix
  • Directrix
4(2x + 3) = 10 x 8x + 12 = 10x 12 = 2x 6 = x
Directrix
  • Directrix
And, the second question" Each of the measures (5,5,4) from the scale drawing will be multiplied by a factor of 6. That gives the square base the dimensions 5 by 5 and the pyramid a height of 24. V = 1/3 Bh where B is the area of the square base. V = 1/3 (30 * 30) 24 V = 7200 cubic feet
anonymous
  • anonymous
Directrix is right. I was about to simplify. :)
anonymous
  • anonymous
Thank you guys SO much for taking the time to explain everything to me, I really appreciate it!

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