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umka21 [38]
3 years ago
13

Please help don’t understand

Mathematics
1 answer:
TEA [102]3 years ago
8 0

Answer:

3b+9n-8

Step-by-step explanation:

Combine like terms:

7b+8n-4b-8+n=3b+8n-8+n

Combine like terms:

3b+8n-8+n=3b+9n-8

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Step-by-step explanation:

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Subtract.<br><br> (29v)−(−13v+59)
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PLEASE HELP ILL GIVE BRAINLIST <br><br> Write an equation in Standard Form that has roots -4 and 7.
Misha Larkins [42]

Answer:

x^{2} -3x-28

Step-by-step explanation:

To find this equation in standard form, first, write it in factored form. This looks like y=(x+4)(x-7). Then, multiply the polynomials using the FOIL (First, Outside, Inside, Last) method.

  1. Following the FOIL method, you should multiply the first terms in each binomial, x*x, which equals x^{2}.
  2. Then, the outside terms, x*-7. This equals -7x.
  3. Next, the inside terms, 4*x=4x.
  4. Finally, the last terms, 4*-7, this equals -28.

Then, add all of the terms together x^{2} + -7x+4x+-28. To get the standard form, combine like terms, this comes out to x^{2} -3x-28.

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The
Natali5045456 [20]

Answer:

Hamburger buns: 7

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what does it mean by system?

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