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Dafna11 [192]
3 years ago
11

Which is the better buy? 5-pack of toaster pastries for $4.13 or 9-pack of toaster pastries for $7.56

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0

Answer: <em>The answer is </em><u><em>9-pack of toaster pastries for $7.56</em></u>

Step-by-step explanation:

<em>Basicly it would be more expensive if you bought 9 for the first option but less for the other.</em>

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Please make Y=x+12 and 4x+2y=27 into one equation.
tiny-mole [99]
So what you need to start with is taking the x from both sides as adding 12 to them. Then, you move the 27 over 4 decimals.
4 0
2 years ago
Marissa is baking cookies to bring to school and share with her friends on her birthday the recipe requires three eggs for every
nadezda [96]
The answer is 9 eggs
7 0
3 years ago
Please help me idk this
vichka [17]

Answer:

\large\boxed{Surface\ Area=63\ cm^2}

Step-by-step explanation:

We have

square  with sides <em>s = 3cm</em>

four triangles with base <em>b = 3cm</em> and height <em>h = 9cm</em>.

The formula of an area of a square:

A_\square=s^2

The formula of an area of a triangle:

A_\triangle=\dfrac{bh}{2}

Substitute:

A_\square=3^2=9\ cm^2\\\\A_\triangle=\dfrac{(3)(9)}{2}=\dfrac{27}{2}=13.5\ cm^2

The Surface Area:

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5 0
3 years ago
20 POINTS PLEASE HELP MEEEE
Triss [41]

its actually 10 points

x^4 + 9x^3 + 15x^2 + 9x + 14

 

Split  15x^2  into  14x^2  +  x^2

 

x^4 + 9x^3 + 14x^2 + x^2 + 9x + 14     factor as

 

x^2  [x^2 + 9x + 14 ]  +  1 [ x^2 + 9x + 14 ]   take out GCF

 

[ x^2 + 1 ] [ x^2 + 9x + 14 ]

 

[ x^2 + 1 ] [  x + 7 ] [ x + 2 ]

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6 0
3 years ago
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What is the value of​ x?
olchik [2.2K]

Answer:

x = 4 sqrt(2)

Step-by-step explanation:

This is a right triangle so we can use trig functions

sin theta = opp/ hypotenuse

sin 45 = 4/x

Multiply x to each side

x sin 45 = 4/x *x

x sin 45 = 4

Divide each side by sin 45

x sin 45 / sin 45 = 4 /sin 45

x = 4/ sin 45

We know sin 45 = sqrt(2)/2

x = 4/ sqrt(2) /2

x = 8/ sqrt(2)

We do not leave a sqrt in the denominator so multiply by sqrt(2)/ sqrt(2)

x = 8/ sqrt(2) * sqrt(2)/sqrt(2)

x = 8 * sqrt(2) /2

x = 4 sqrt(2)

3 0
3 years ago
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