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Lana71 [14]
2 years ago
8

Can someone help me fully simplify this step by step pleaseeeee

Mathematics
1 answer:
JulijaS [17]2 years ago
7 0

2x - 7x + 2 + 1 - 2

2x - 7x + 3 - 2

- 5x + 1

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Hannah and her three brothers equally split the cost of a $379 gift for their parents. How much did each sibling pay?
-Dominant- [34]

Answer:

$126.33

Step-by-step explanation:

$379/3 = $126.33

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2 years ago
What are the domain and range of each relation?
kari74 [83]

i took the test today.

the one with blue circles is domain;{-2,-1,0,2} range{-4,-2,2}

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4 years ago
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Given the system of equations presented here:
statuscvo [17]

Answer:

multiply the first equation by - 7 to get - 28x - 7y = - 28

Step-by-step explanation:

This then results on  adding the 2 equations as

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3 years ago
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Which three examples best describe how geometry can be used in the field of aeronautics?
mihalych1998 [28]

The examples that describe some of the applications of <u><em>geometry</em></u> in <em>aeronautics</em> are:

A. designing a <u>new</u> aircraft

B. describing the <u>flight path</u> between take off and landing

D.<u> navigating</u> between two locations

<em>Aeronautics</em> is a field that deals with designing, functioning and uses of <u>aircraft</u> in air transportation system which include <em>aeroplanes, helicopters, jets</em> etc.

Geometry is a topic that deals with lines, angles, planes, coordinates, points etc, thus its <u>importance</u> to aeronautics. Thus, its various applications as this field is concerned can not be over-emphasized.

In the giving question, the examples that best describe how <em>geometry</em> can be use in <em>aeronautics</em> are:

  • A. designing a new aircraft
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Visit: brainly.com/question/20402437

5 0
3 years ago
Fill in the missing numbers to the linear eqution
V125BC [204]

Answer:

y=-30x+0

Step-by-step explanation:

we know that

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

In a proportional relationship the constant of proportionality k is equal to the slope m of the line <u><em>and the line passes through the origin</em></u>

In this problem the linear equation represent a proportional relationship, because pass through the origin (0,0).

<em>Find the value of the constant of proportionality k</em>

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substitute

k=\frac{-30}{1}=-30

so

the linear equation is

y=-30x

therefore

y=-30x+0

6 0
3 years ago
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