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Nana76 [90]
3 years ago
11

Please answer these question I will mark brainliest please only do part c and f​

Mathematics
1 answer:
gavmur [86]3 years ago
8 0

Answer:

c.15+2z/6x-12y

f.7a+b/4a-6b

Step-by-step explanation:

z+1/x-2y - 2x-3/2x-4y + z/3x-6y

z+1/x-2y - 2x-3/2(x-2y) + z/3(x-2y)

6(z+1)-3(2z-3)+2z

15+2z/6x-12y

3a/2a-3b - a+b/2(-3b+2a)

6a+a+b/2(2a-3b)

7a+b/4a-6b

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Find the distance between the two points in simplest radical form.
sweet-ann [11.9K]

Answer:

3\sqrt{13}

Step-by-step explanation:

Calculate the distance using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = (- 9, 8) and (x₂, y₂ ) = (- 3, - 1)

d = \sqrt{(-3-(-9))^2+(-1-8)^2}

  = \sqrt{(-3+9)^2+(-9)^2}

  = \sqrt{6^2+81}

   = \sqrt{36+81}

   = \sqrt{117}

   = \sqrt{9(13)}

   = \sqrt{9} × \sqrt{13}

   = 3\sqrt{13}

8 0
2 years ago
If the altitude of a star is 37 degrees, what is the angle between the star and zenith?
scoundrel [369]

Answer:

C

Step-by-step explanation:

3 0
2 years ago
Please help me with this worksheet !! (Math ) I WILL GIVE BRAINLIEST TO right answers
omeli [17]

C=pi*d

=22/7*7

=22

22 is the circumference of first circle

6 0
3 years ago
Read 2 more answers
T^12 x T^10= T to the power of what
coldgirl [10]
  • <em>Answer:</em>

<em>t²²</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there !</em>

<em>t¹²ₓ t¹⁰ = t¹²⁺¹⁰ = t²²</em>

<em>Good luck !</em>

7 0
3 years ago
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I really don’t understand what the questions asking? How do I solve this
Eddi Din [679]

Answer:

$17.85

Step-by-step explanation:

Let the dollar amount per shirt be represented by s.

Let the dollar amount per pants be represented by p.

You have the following system:

3s+2p=104.81

2s+1p=61.33

If I multiply the bottom equation by -2, I can set the system up for elimination since the equations are already and the same form and I will have 2p and -2p in the same column there.  2p+(-2p)=0

Multiplying equation 2 by -2:

3s+2p=104.81

-4s-2p=-122.66

-----------------------Add the equations:

-1s      =-17.85

Multiply both sides by -1:

s=17.85

So one shirt cost $17.85

5 0
3 years ago
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