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Sonbull [250]
3 years ago
14

Please help me answer this thanks !

Mathematics
1 answer:
scoundrel [369]3 years ago
6 0

Answer:

Define your variables: c = Cookie: $1              b = Pumkin Bread: $2

Equation:

Lady Gaga: 12c + 4b = 20

Katy Perry: 6c + 3b = 12

Step-by-step explanation:

Lady Gaga: 12c + 4b = 20

Katy Perry: 6c + 3b = 12

Solve using elimination

12c(-3) + 4b(-3) = 20(-3)

6c(4) + 3b(4) = 12(4)

-36c -12b = -60

24c + 12b = 48

-12c = -12

c = 1 (1 cookie is $1)

if we plug in 1 for c in Lady Gaga’s equation:

12(1) + 4b = 20

12 + 4b = 20

4b = 8

b = 2 (1 pumpkin bread is $2)

Define your variables: c = Cookie: $1              b = Pumkin Bread: $2

Equation:

Lady Gaga: 12c + 4b = 20

Katy Perry: 6c + 3b = 12

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3 years ago
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If y is inversely proportional to the square root of x and y=−70 when x=49, find y if x=2401.
Dahasolnce [82]

The value of y when x= 2401 is -10

<h3>How to determine the value of x?</h3>

An inverse variation is represented as:

y = \frac{k}{\sqrt x}

Where k is the proportionality constant

When y = -70, x = 49

So, we have:

-70 = \frac{k}{\sqrt {49}}

Take the square root of 49

-70 = \frac{k}{7}

Multiply through by 7

k = -490

Substitute k = -490 in y = \frac{k}{\sqrt x}

y = -\frac{490}{\sqrt x}

When x =2401, we have

y = -\frac{490}{\sqrt {2401}}

Evaluate the square root

y = -\frac{490}{49}

Divide

y = -10

Hence, the value of y when x= 2401 is -10

Read more about variation at:

brainly.com/question/14254277

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Hey can yall please help me its 4'1 minuse 1'10​
neonofarm [45]
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I need help with this one
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Step-by-step explanation:

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