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kondor19780726 [428]
3 years ago
11

(SHOW YOUR WORK PLZ AND EXPLAIN)

Mathematics
2 answers:
77julia77 [94]3 years ago
8 0
H would be your answer (9x2)+(14x4)=74
Fynjy0 [20]3 years ago
5 0
Let g = number of goats
Let c = number of chickens

Now we set up the two equations for the values we know

g + c = 23
4g + 2c = 74 (goats - 4 legs, chickens - 2 legs)

solve for one of the variables in the first equation

g = 23 - c

then substitute this into the second equation

4(23 - c) + 2c = 74

now solve for c

92 - 4c + 2c = 74
92 - 2c = 74
2c = 18
c = 9

now plug this value back into the first equation and solve for g

g + 9 = 23
g = 14

so this means there are 14 goats and 9 chickens (H)
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Rewrite the equation by completing the squares x^2-x-20
yuradex [85]

Answer:  x = ¹/₂ ± √⁸¹

                     ------------

                            2

Step-by-step explanation:

First write out the equation

x² - x - 20

Now we now write the equation by equating to 0

x² - x - 20 = 0

We now move 20 to the other side of the equation. So

x² - x    =  20,

We now add to both side of the equation square of the half the coefficient of the (x) and not (x²) which is (1) . So, the equation now becomes

x² - x + ( ¹/₂ )² = 20 + ( ¹/₂ )²

x² - ( ¹/₂ )²       = 20 + ¹/₄

( x - ¹/₂ )²       = 20  + ¹/₄, we now resolve the right hand side expression into fraction

( x - ¹/₂ )²          =  ⁸¹/₄ when the LCM is made 4

Taking the square root of both side to remove the square,we now have

x - ¹/₂               =  √⁸¹/₄

x - ¹/₂               =     √⁸¹/₂

Therefore,

                    x = ¹/₂ ± √⁸¹

                          -----------

                               2

3 0
3 years ago
What is the distance between the points (4.10) and (-3,-14) on the coordinates plane?
jeyben [28]

Answer:

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Step-by-step explanation:

use the distance formula to get the square root of 24² + 7²

this will give you the square root of 625, which is 25

8 0
3 years ago
1. Which of the following is an arithmetic sequence?
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i say C. -5, -2, 1, 4, 7 is your answer for question 1.

and for question 2 i think is E. -6, -4, -2, 0, 2.

7 0
3 years ago
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Vesnalui [34]

Answer:

AREA = 4,850

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split into two pieces  

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20 x 50 = 100 / 2 = 50

(130 - 50 = 80)

80 x 120 = 9,600 / 2 = 4,800

add...

4,800 + 50 = 4,850

5 0
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