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fiasKO [112]
2 years ago
5

May someone plz help me

Mathematics
2 answers:
kvasek [131]2 years ago
7 0

Answer:

y = -1/2x + 5

It will take 10 weeks for the cat to lose 5 pounds.

Step-by-step explanation:

<u>Find slope</u>

Take 2 points (2,4) (6,2)

  • y2 - y1/x2 - x1
  • 2 - 4/6 - 2

slope = -1/2

<u>y-intercept</u>

(0,5)

<u>y = mx + b form</u>

m represents slope

b represents y-intercept

y = -1/2x + 5

<u>Find the number of weeks it will the cat to lose 5 pounds</u>

Set y = to 0, to find when the cat loses weight

0 = -1/2x + 5

<u>Subtract 5 in both sides</u>

-5 = -1/2x

<u>Isolate the variable by getting rid of the denominator</u>

-1/2x * 2 = -x

2 * - 5 = -10

<u>Simplify</u>

-x = -10

<u>Divide both sides by -1</u>

-x/-1 = x

-10/-1 = 10

<u>Simplify </u>

x = 10

<u>Answer</u>

It will take 10 weeks for the cat to lose 5 pounds

babymother [125]2 years ago
6 0

Answer:

y = -1/2 x +5

10 weeks

Step-by-step explanation:

The y intercept is 5  ( That is is the point where x=0)

Our slope is rise over run  or 1 lb /2 weeks

We know this is negative because the cat is losing the weight

slope = -1/2

The equation in slope intercept form is

y= mx + b where m is the slope and b is the y intercept

y = -1/2 x +5

We need to determine when y=0 to find when the cat loses all 5 lbs

0 = -1/2 x +5

Subtract 5 from each side

0-5 = -1/2x +5-5

-5 = -1/2x

Multiply each side by -2 to get x alone

-5 *-2 = -1/2x * -2

10 = x

It will take 10 weeks

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Step-by-step explanation:

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Put n = 4 to the expresssion:

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Step-by-step explanation:

As we know if P is the probability of achieving k results in n trials then probability formula is P = \binom{n}{k}p^{K}q^{n-k}

In this formula n = number of trials

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Now putting these values in the formula

                        P = \binom{5}{2}(.02)^{2}(.98)^{5-2}

                        P = \binom{5}{2}(.02)^{2}(.98)^{3}

                   \binom{5}{2}= 5!/3!2!    

                                              = 5×4×3×2×1/3×2×1×2×1

                                              = 5×2 =10

                                       P = 10×(.02)²×(.98)³

                                          = .0037 or .37%

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Hope it helps you :>

<em>I've</em><em> </em><em>solved</em><em> </em><em>it</em><em> </em><em>that's</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em>

<em>just</em><em> </em><em>trust</em><em> </em><em>me</em><em>!</em><em> </em>

<em>I'll</em><em> </em><em>try</em><em> </em><em>my</em><em> </em><em>best</em><em> </em>

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