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amid [387]
3 years ago
10

Carly spends $5 for n notebooks.Write an algebraic expression represent the cost of one notebook

Mathematics
2 answers:
n200080 [17]3 years ago
8 0
Since she spent 5 dollars in total for all the notebooks then you would do 
5 ÷ N 
MakcuM [25]3 years ago
4 0
# of notebooks divided by $5
that is ur expression
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Y=f(x) = (1/2)<br> Find f(x) when x = 1
sammy [17]

The value of function on x=1 is 0.5

Step-by-step explanation:

In order to find the value of a function on given input, the input is put at the place of variable in the function.

Given function is:

f(x) = (\frac{1}{2})^x

We have to find the value of function on x = 1

Putting x = 1 in function

f(1) = (\frac{1}{2})^1\\= \frac{1}{2}\\= 0.5

Hence,

The value of function on x=1 is 0.5

Keywords: Functions variables

Learn more about functions at:

  • brainly.com/question/6436086
  • brainly.com/question/6459599

LearnwithBrainly

7 0
3 years ago
1. What is the equation for the Standard Form of a Line?
likoan [24]

Answer: Hi there

Standard Form: the standard form of a line is in the form Ax + By = C where A is a positive integer, and B, and C are integers. The standard form of a line is just another way of writing the equation of a line.

Brainliest?

:D

3 0
3 years ago
Help please. Find A if possible
zlopas [31]

Answer:

10

Step-by-step explanation

4 0
3 years ago
Read 2 more answers
-7 - x = 3<br><img src="https://tex.z-dn.net/?f=%20-%207%20-%20x%20%3D%208" id="TexFormula1" title=" - 7 - x = 8" alt=" - 7 - x
yaroslaw [1]
-7-x= 3 \\  \\ -x= 3+7\quad \to -x= 10\to  \boxed{x=10}  \\  \\  \\ -7-x= 8 \\  \\ -x= 8+7\quad -x= 15\to  \boxed{x= -15}
4 0
3 years ago
Find the angle measure indicated to the nearest tenth:
makvit [3.9K]

Step-by-step explanation:

Sin<D = Opposite / Hypotenuse

Opposite - EC

Hyp - DE

Sin<D = EC/DE = x/9

we need x to find <D.

so -->Use pythagorean theorem.

DE^2 = EC^2 + DC^2

DE = 9 DC = 7 EC = ?

EC^2 = DE^2 - DC^2 rearranged.

= 9^2 - 7^2

= 81 - 49

EC^2 = 32 Put both sides under square root.

√(EC^2) = √32

EC = 4√2 ~ 5.65.

We now have X which was representing the unknown side EC.

Sin<D = EC/DE = 5.65/9 = 0.627

To find <D Take the sine inverse of of 0.627.

<D = Arcsin(0.627) = 38.82°.

We now know <D. It's <E's turn.

A right angle triangle has a summation of interior angles of 180°.

thus, <em><D + <C + <E = 180°</em>

38.82° + 90° + <E = 180°

128.82° + <E = 180°

subtract both sides by 128.82°

0 + <E = 180° - 128.82°

<em><E = 51.</em><em>2</em><em>°</em>

6 0
2 years ago
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