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3 years ago

What is the value of x??? plzzz help

Mathematics

1 answer:

Harman [31]3 years ago

4 0

You need 2 eggs to make 20 cookies. Find out how much cookies one egg makes.

20/2 = 10

1 egg = 10 cookies

now multiply 10 to both sides to find out how much eggs are needed for 100 cookies

1 egg (10) = 10 cookies (10)

1(10) = 10(10)

10 = 100

You need 10 eggs to make 100 cookies

hope this helps

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sdas [7]

Answer:

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Step-by-step explanation:

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3 years ago

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AysviL [449]

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3 years ago

There are 195 adults and 320 children at a zoo. The zoo makes a total of $6,515 from the entrance fees, and the cost of an adult

Ostrovityanka [42]

Answer:

a+c=27

195a+320c=6515

Step-by-step explanation:

adult (a): 195

children (c): 320

total $: $6515

child $: 27

a+c=27 --> c=-a+27

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6 0

3 years ago

You are giving 24 linear feet of fencing all 3 feet tall you wish to make the largest rectangular enclosure possible to maximize

earnstyle [38]

Answer:

The largest area enclosed is A = xy = 6 feet $\times$ 6 feet = 36 $feet^{2}$

Step-by-step explanation:

i) The perimeter of the area is 2 $\times$ (x + y) =24 ∴ x + y = 12 ∴ y = 12 - x

ii) The area of rectangle enclosed A = xy ⇒ A = x ( 12 - x) = 12x - $x^{2}$

iii) differentiating both sides of the equation in ii) we get

$\dfrac{dA}{dx} = 12 - 2x = 0$ ⇒ x = 6 feet

iv) Differentiating both sides of equation in iii) we get $\frac{d^{2}A}{dx^{2} }$ = -2

Therefore the area enclosed is maximum as the double derivative is negative

v) therefore for largest area enclosed x = 6 feet and y = 12 - 6 = 6 feet

vi) therefore the largest area enclosed is

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7 0

3 years ago

I need help pleaseee stattt (11 points )

Harlamova29_29 [7]

Answer:

If you were to get a different piece of paper and trace the same shape and flip it over to the same position that one of them is in it will be the exact same measurements!

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3 years ago