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miss Akunina [59]
2 years ago
5

WILL MARK YOU IF YOU HELP ME PLEASE!!

Mathematics
2 answers:
Dmitry_Shevchenko [17]2 years ago
5 0

Answer:

84

Step-by-step explanation:

180-72-24

so the answers is 84

ss7ja [257]2 years ago
3 0

Answer:

84

Step-by-step explanation:

In all triangles, once the angles are added up the total will be 180° and so in this case first add then subtract.

72+24=96

180-96=84

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120 is the other number. 
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Subtract 124 and 18
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3. In a single growing season at the Smith Family Orchard, the average yield per apple tree is 150 apples when the number of tre
g100num [7]

Answer:

<em><u>A.10000</u></em>

<em><u>B.25 more trees must be planted</u></em>

Step-by-step explanation:

⇒Given:

  • The intial average yield per acre y_{i} = 150
  • The initial number of trees per acre  t_{i} = 100
  • For each additional tree over 100, the average yield per tree decreases by 1 i.e , if the number trees become 101 , the avg yield becomes 149.
  • Total yield = (number of trees per acre)*(average yield per acre)

<em>A.</em>

⇒If the total trees per acre is doubled , which means :

total number of trees per acre t_{f} = 2*t_{i} = 200

the yield will decrease by : t_{f} - y_{i}

y_{f}= 150-100= 50

⇒total yield = 50*200=10000

<em>B.</em>

⇒to maximize the yield ,

let's take the number of trees per acre to be 100+y ;

and thus the average yield per acre = 150 - y;

total yield = (100+y)*(150-y)\\=15000+50y-y^{2} \\

this is a quadratic equation. this can be rewritten as ,

     ⇒   =15000+50y-y^{2}\\=15000+625 - (625 - 50y +y^{2})\\=15625 - (y-25)^{2}

In this equation , the total yield becomes maximum when y=25;

<u><em>⇒Thus the total number of trees per acre = 100+25 =125;</em></u>

                 

3 0
2 years ago
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Korolek [52]

Step-by-step explanation:

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2.

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(2 - 3y)( - 2x + 3)

4.

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x(x - 2a) - b(x - 2a)

-(x +b)(2a-x)

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3 0
2 years ago
Read 2 more answers
PLEASE HELP FAST Which number is closest to √33 ?<br><br> 6.3<br> 5.7<br> 5.2<br> 4.5
pantera1 [17]

Answer:

5.7

Step-by-step explanation:

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2 years ago
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