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geniusboy [140]
3 years ago
14

Solve for X!? PLEASE HELP MEE!!!!!!!

Mathematics
2 answers:
IgorC [24]3 years ago
7 0
4x = 2x + 30
6x = 30
x = 5
zepelin [54]3 years ago
3 0

Answer:

x=15

Step-by-step explanation:

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Answer:

reflection is defined as the change in the direction of a wavefront at the interface between two different media, bouncing the wavefront back into the original medium. A common example of reflection is reflected light from a mirror or a still pool of water, but reflection affects other types of waves beside light.

Step-by-step explanation:

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The graph of a linear function passes through the points (2, 4) and (8, 10).
Keith_Richards [23]
\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ 2}}\quad ,&{{ 4}})\quad 
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&({{ 8}}\quad ,&{{ 10}})
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% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
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\begin{array}{llll}
\textit{plug in the values for }
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8 0
3 years ago
Nuance said she drew a square pyramid and that all of the faces are triangles.Is this possible?
sergeinik [125]
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answer is not possible
3 0
3 years ago
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You are purchasing books summer reading for $4.50 each. Part A: Your total cost, C, depends on,The input is,and the output is,Pa
Crazy boy [7]

Answer:

Part A) see the explanation

Part B) C(12)=\$54

Step-by-step explanation:

Part A)

we know that

A relationship between two variables, x, and C, represent a proportional variation if it can be expressed in the form k=\frac{C}{x} or C=kx

Let

C ---> is the total cost (represent the output or dependent variable)

x ----> is the number of books (represent the input or independent variable)

In this problem

we have a proportional relationship between the variables x and C

Part B)  we know that

The linear equation is given by

C=kx

The constant of proportionality k is the same that the slope or unit rate of the linear equation

In this problem the constant k is given

k=\$4.50\ per\ book

so

C=4.50x

For x=12 books

substitute in the equation and solve for C

C=4.50(12)=\$54

In function notation

C(12)=\$54

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3 years ago
Which relationship describes angles 1 and 2?
Harman [31]
We need to see the angels do u have a picture??

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