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cupoosta [38]
3 years ago
5

In a farm consisting only of horses and chickens, there are $146$ total feet. if there are $50$ animals total, how many horses a

re there? enter your answer
Mathematics
1 answer:
inessss [21]3 years ago
6 0
Answer: x = 27, y = 23


Explanation:

x = chickens
y = horses

║ x + y = 50
║ 2x + 4y = 146

║ 2x + 2y = 100
║ 2x + 4y = 146

(2x + 4y = 146) - (2x + 2y = 100)

2y = 46
y = 23                    <span> <<<<<<<< We found y ¯\_(ツ)_/¯

Sub y = 23 into </span> x + y = 50

x+ 23 = 50

x = 50 - 23

x = 27                   <<<<<<<< We found x ¯\_(ツ)_/¯
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Have to write a slope intercept form from this equation 2x + 1.50y = 15
Scorpion4ik [409]
The equation is in standard form. Standard form is in this formula:
Ax + By = C
To convert a standard form to slope intercept form you first move Ax to the other side of the equation by inverse operations.
2x + 1.50y = 15
-2x                -2x
1.50y = -2x + 15

You then divide B (From By) across the whole equation. (If you can't evenly divide make it a fraction) 
1.50y = -2x + 15
1.50         1.50
y = -2/1.50x + 10
3 0
3 years ago
Examine the system of equations.
liubo4ka [24]

Answer:

Graph (0, 25) and (50, 0)

Step-by-step explanation:

Intercept form of an equation for a line is ...

x/(x-intercept) + y/(y-intercept) = 1

Dividing each equation by the constant on the right can put it into this form.

First equation:

t/42 + f/42 = 1

Second equation:

t/50 + f/25 = 1

This tells you the second equation can be graphed using the points ...

... (50, 0) and (0, 25) . . . . . matches the second selection

4 0
2 years ago
If a rat grows 1.5 inches a year, how many years will it take the rat to grow to 12.3 inches?
vladimir1956 [14]
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3 years ago
Read 2 more answers
Johann wants to find a rectangular solar panel with an area of 128 cm. If the
Papessa [141]

Answer:

The length of rectangular panel is 6.4 cm.

Step-by-step explanation:

We are given the following information in the question:

Area of rectangular solar panel = 128 square cm

Width of panel = 20 cm

We have to find the length of the panel

Formula:

\text{Area of rectangular panel} = \text{Width}\times \text{Length}\\\Rightarrow 128 = 20\times \text{Length}\\\\\text{Length} = \displaystyle\frac{128}{20} = 6.4\text{ cm}

Hence, the length of rectangular panel is 6.4 cm.

This is an example of direct variation as greater would be length and breadth, the greater would be the area.

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4 years ago
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Viefleur [7K]

Answer:

0, draw a horizontal line

Step-by-step explanation:

vert. change/hori. change

(3-3)/(-4-2)=0/-6=0

3 0
3 years ago
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