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-Dominant- [34]
3 years ago
12

Mary is making pillows for her life skills class.she bought 2 and 1/2 yards of fabric.herrotal cost was $15.what was the cost pe

r yard
Mathematics
1 answer:
MrRissso [65]3 years ago
7 0

Answer:

$6

Step-by-step explanation:

The answer is...

15 ÷ 2.5 = 6

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What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of −8?
Alexxx [7]
The common ratio in a geometric sequence is the ratio between 2 consecutive terms:

-8/2=-4, 

then the sequence is  2, -8, 32, -128, -512, 2048, ...

let a_n be the nth term of the sequence, then 

a_1= 2
a_2=2(-4)
a_3=2(-4)(-4)=2(-4)^{2}
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so clearly a_n=2(-4)^{n-1}

and, clearly n are integers >0, since we have a 1st term, a second term and so on... of a sequence (we do not have a "zero'th term"!

Answer:

<span>C. an=2(-4)^n-1; all integers where n>0</span>
5 0
3 years ago
Evaluate the formula V = Bh3 V equals the quantity B multiplied by h end of quantity divided by 3 for B = 4 cm2 and h = 6 cm.
Marat540 [252]

Answer:

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Step-by-step explanation:

This is basically the formula for volume of pyramid:

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OR

Volume of Pyramid = (Base Area x Height)/3

V = Bh/3

Given:

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Hence

V = 8 cm³

If you want to represent this into inches simply divide 8 with 2.54 as

1 cm = 2.54 inches So,

8 cm / 2.54 cm  =  3.15 in

8 0
3 years ago
What is the solution to -2(8x-4) 2x+5?​
-Dominant- [34]

Answer:

that would be -2200 sorry if im wrong

Step-by-step explanation:

4 0
2 years ago
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The line integral of xydx×x^2y^3dy where c is the triangle with points (0,0) (1,0) (1,2) using green's theorem
lyudmila [28]
If \mathcal C is the boundary of the triangle D, then by Green's theorem

\displaystyle\int_{\mathcal C}xy\,\mathrm dx+x^2y^3\,\mathrm dy=\iint_D\left(\frac{\partial(x^2y^3)}{\partial x}-\frac{\partial(xy)}{\partial y}\right)\,\mathrm dA
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2 years ago
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