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Oksi-84 [34.3K]
3 years ago
10

8x5x2x4 whats dis answer

Mathematics
1 answer:
scoray [572]3 years ago
5 0

Answer:

320

Step-by-step explanation:

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Can someone please help??
Vsevolod [243]

Answer:

let the number of cows = x

let the number of chickens = y

since there are 42 heads:

x + y = 42

and since a cow has 4 legs, and a chicken has 2

4x + 2y = 144

from first equation:

x + y  = 42

x = 42 - y (now, we will substitute this in the second equation)

4(42 - y) + 2y = 144

168 - 4y + 2y  = 144

2y = 168 - 144

2y = 24

y = 12

now, we know the number of chickens. we will replace y with 12 in the first equation since it is more simpler

x + 12 = 42

x = 30

So, there are 30 cows and 12 chickens

Brainly it if you find the answer helpful

5 0
2 years ago
What is the slope of the line that passes through the points (-10, -4)(−10,−4) and (10, -29) ?(10,−29)? Write your answer in sim
irga5000 [103]

Answer:

The answer is -1.25

Hope that helps. x

Step-by-step explanation:

3 0
2 years ago
What is the area of the figure? I give brainliest and thanks! :)
Alex17521 [72]

Answer:

ok I would give answer that is 85.5mi^2

7 0
3 years ago
Your Body Is Completely Your Temple
Nina [5.8K]

Answer:

:D

Step-by-step explanation:

7 0
3 years ago
Solve for x and y:
boyakko [2]

This is a system of equation:


7y - 5x = 31

x = 4 - 2y


Plug in 4 - 2y for x


7y - 5(4 - 2y) = 31


Distribute -5 to both 4 and -2y


7y - 20 + 10y = 31


Simplify


17y - 20 = 31


Isolate the y. Note the equal sign. What you do to one side you do to the other. Do the opposite of PEMDAS.


Add 20 to both sides


17y - 20 (+20) = 31 (+20)


17y = 51


Divide 17 from both sides to isolate the y


17y/17 = 51/17


y = 51/17 or 3


y = 3


-------------------------------------------------------------------------------------------------------------------


Plug in 3 for y in one of the equations.


x=4−2y


x = 4 - 2(3)


Simplify.


x = 4 - 6


x = -2


-------------------------------------------------------------------------------------------------------------------


x = -2, y = 3 is your answer, or B)


-------------------------------------------------------------------------------------------------------------------


hope this helps

8 0
3 years ago
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