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3 years ago

What is the unit price for one cd if 3 cds cost 29.85?

Mathematics

1 answer:

zavuch27 [327]3 years ago

5 0

You would do 29.85 ÷ 3 which equals 9.95. You would do the in verse operation. Hope I helped you.

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Write a recursive rule and explicit rule for the arithmetic sequence 19,9,-1,-11, ...

serg [7]

★ Arithmetic Progression [ Explicit and Recursive notation ] ★

Arithmetic Sequence - 19 , 9 , -1 ...

Recursive Notation -

First term = 19
Common difference = -10

In subscript notation - [ a₁ = 19 , aₙ = aₙ-₁ -10 ]
In functional notation - f(n) = f (n -1) -10

Explicit Notation - f ( n ) = f ( 1 ) + d ( n - 1 )

= 19 - 10 ( n -1 )
= 29 - 10n

It's functional and subscript notations resides the same

6 0

3 years ago

Liam is putting up fence around a garden. He has poles located at A(7,7), B(16,7), C(2,2), D(16,2). Each unit on his coordinate

Bezzdna [24]

To find the amount of fencing needed, we will find tge perimeter

To find the perimeter;

Find the distance |AB|, |BC|, |CD| and |DA|

We will use the formula below to find the distances:

$|d|=\sqrt[]{(x_2-x_1)^2+(y_{2-}y_1)^2}$

Distance |AB|

A(7,7), B(16,7)

x₁=7 y₁=7 x₂=16 y₂=7

Substituting into the formula;

$|AB|=\sqrt[]{(16-7)^2+(7-7)^2}$ $=\sqrt[]{9^2+0}$

$=\sqrt[]{9}^2\text{ =9}$

Distance |BC|

B(16,7), C(2,2)

x₁=16 y₁=7 x₂=2 y₂=2

substituting into the formula;

$|BC|=\sqrt[]{(2-16)^2+(2-7)^2}$

$=\sqrt[]{(-14)^2+(5)^2}$ $=\sqrt[]{196+25}$

$=\sqrt[]{221}$ $=14.87$

Distance |CD|

C(2,2), D(16,2)

x₁=2 y₁=2 x₂=16 y₂=2

substituting into the formula;

$|CD|=\sqrt[]{(16-2)^2+(2-2)^2}$

$=\sqrt[]{14^2+0}$ $=\sqrt[]{14^2}=14$

Distance |DA|

D(16,2) A(7,7)

x₁=16 y₁=2 x₂=7 y₂=7

Substituting into the formula;

$|DA|=\sqrt[]{(7-16)^2+(7-2)^2}$

$=\sqrt[]{(-9)^2+(5)^2}$ $=\sqrt[]{81+25}$

$=\sqrt[]{106}=10.30$

Perimeter = |AB|+|BC|+|CD|+|DA|

= 9 + 14.87 + 14 + 10.30

=48.17

≈48

Hence;

48 feet of fencing is needed

8 0

1 year ago

I need help with my Algebra 2 HELP

polet [3.4K]

First make the denomonators the same

3 0

3 years ago

What is the value of x and y

olga_2 [115]

Answer:

x = 10.6

y = 10.6

Step-by-step explanation:

To answer this question you will need to use trigonometry. If you don't already have an understanding of trigonometry, this will be very hard to explain. please let me know in the comments if you would like me to give it a go.

I hope this was helpful :-)

6 0

4 years ago

If 1 ml = 0.034 fluid ounces, how many fluid ounces are in 1 hectoliter?

kobusy [5.1K]

If 1 ml = 0.034 ounces
ounces in 1 hectoliter = ?
1ml = 0.001 litre
1 liter = 1000ml
1 hectoliter = 100000ml
1 hectolitre = 100000 x 0.034 ounces
1 hectolitre = 3400 ounces
So, 3400 ounces are in 1 hectoliter of fluid.

8 0

3 years ago