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3 years ago

14

There are 17 animals in the field. Some are pigs and some are chickens. There are 60 legs in all. How many of each animal are in

the field?

1 answer:

Ira Lisetskai [31]3 years ago

3 0

Answer:

Step-by-step explanation:

A chicken has 2 legs, a pig has four. 13 pigs x 4 legs each = 52

4 chickens x 2 legs each = 8

52+8= 60 legs in total

So there are 13 pigs and 4 chickens

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Factor the expression and simplify as much as possible. 24x(x2 1)4(x3 1)5 42x2(x2 1)5(x3 1)4

zmey [24]

Answer: 120[4(x^6 + x^3 + x^4 + x) +7(x^7 + x^4 + x^5 + x^2)]

Step-by-step explanation:

=24x(x^2 + 1)4(x^3 + 1)5 + 42x^2(x^2 + 1)5(x^3 + 1)4

Remove the brackets first

=[(24x^3 +24x)(4x^3 + 4)]5 + [(42x^4 +42x^2)(5x^3 + 5)4]

=[(96x^6 + 96x^3 +96x^4 + 96x)5] + [(210x^7 + 210x^4 + 210x^5 + 210x^2)4]

=(480x^6 + 480x^3 + 480x^4 + 480x) + (840x^7 + 840x^4 + 840x^5 + 840x^2)

Then the common:

=[480(x^6 + x^3 + x^4 + x) + 840(x^7 + x^4 + x^5 + x^2)]

=120[4(x^6 + x^3 + x^4 + x) +7(x^7 + x^4 + x^5 + x^2)]

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3 years ago

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ale4655 [162]

Answer:

The second one down

Step-by-step explanation:

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1 year ago

Read 2 more answers

Lesson 6 Practice Problems

inna [77]

Answer:

WHITE PAINT PINK PAINT

(CUPS) (CUPS)

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2 years ago

Write the equation of the line in fully simplified slope-intercept form.

Lina20 [59]

Answer:

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Step-by-step explanation:

Hi there!

Slope-intercept form: $y=mx+b$ where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when x=0)

<u>1) Determine the slope (</u><u><em>m</em></u><u>)</u>

$m=\displaystyle \frac{y_2-y_1}{x_2-x_1}$ where two points that fall on the line are $(x_1,y_1)$ and $(x_2,y_2)$

Given the graph, we determine which points we could use. For example, we could use the two points $(0,2)$ and $(1,-4)$ :

$m=\displaystyle \frac{-4-2}{1-0}\\\\m=\displaystyle \frac{-6}{1}\\\\m=-6$

Therefore, the slope of the line is -6. Plug this into $y=mx+b$ :

$y=-6x+b$

<u>2) Determine the y-intercept (</u><u><em>b</em></u><u>)</u>

Recall that the y-intercept occurs when x=0. Given the point (0,2), we know that the y-intercept is 2. Plug this into $y=-6x+b$ :

$y=-6x+2$

I hope this helps!

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3 years ago

What is the common point between lines y = -x + 7 and y = 3x + 10?

neonofarm [45]

Did you figure it out yet? lol

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3 years ago