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Gnoma [55]
4 years ago
10

Cheryl pays $69 for 6 DVDs.  

Mathematics
2 answers:
yanalaym [24]4 years ago
7 0
$69 ÷ 6 = 11.5 per DVD
11.5 × 4 = 46
Thepotemich [5.8K]4 years ago
4 0
Just divide 69 by 6.... then multiply by 4 after  to get the total amount 4 cd's would cost
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In your own words define “reciprocal” and describe how to find the reciprocal of a fraction. Use 3/6 as an example in your expla
Fittoniya [83]

Answer:

In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x⁻¹, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a/b is b/a. For the multiplicative inverse of a real number, divide 1 by the number.

Step-by-step explanation:

To find the reciprocal, divide

1

by the number given.

1

3

6

Simplify.

Tap for fewer steps...

Cancel the common factor of

3

and

6

.

Tap for fewer steps...

Factor

3

out of

3

.

1

3

(

1

)

6

Cancel the common factors.

Tap for fewer steps...

Factor

3

out of

6

.

1

3

⋅

1

3

⋅

2

Cancel the common factor.

1

3

⋅

1

3

⋅

2

Rewrite the expression.

1

1

2

Multiply the numerator by the reciprocal of the denominator.

1

⋅

2

Multiply

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by

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.

2

7 0
3 years ago
Read 2 more answers
Please help me please!!!!!
kvasek [131]
Since PQ is tangent to the circle, angle PQO is 90°.

Since the sum of angles of any triangle must be 180° we can say:

180-90-12=x  thus:

x=78°
6 0
4 years ago
Jeff has 1/2 pizza left in the fridge. At breakfast he ate 1/3 of it. What fraction of the original pizza does he have left for
Mumz [18]
Jeff has 1/4 of the pizza left
8 0
3 years ago
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Dylan made a fruit punch by combining different fruit juices. Pineapple juice made up 25% of the fruit punch. When Dylan made th
ArbitrLikvidat [17]

Answer:

48 oz

Step-by-step explanation:

25%

= 100/25

=4

4x12

=48

(Don't forget to give Brainliest if this was helpful)

8 0
3 years ago
Read 2 more answers
Find the unit tangent vector T(t) to the curve r(t) = [sin(t), 1 + t, cos(t)] when t = 0.
ss7ja [257]

Compute the derivative of \mathbf r(t) at t=0 - this will be the tangent vector - then normalize it by dividing it by its magnitude to get the unit tangent vector \mathbf T(t).

\mathbf r(t) = \langle \sin(t), 1+t, \cos(t) \rangle \implies \dfrac{d\mathbf r}{dt} = \langle \cos(t), 1, -\sin(t) \rangle \implies \dfrac{d\mathbf r}{dt}(0) = \langle 1, 1, 0 \rangle

\|\langle1,1,0\rangle\| = \sqrt{1^2+1^2+0^2} = \sqrt2

\implies\mathbf T(0) = \dfrac{\langle1,1,0\rangle}{\sqrt2} = \boxed{\left\langle \dfrac1{\sqrt2}, \dfrac1{\sqrt2}, 0\right\rangle}

7 0
2 years ago
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