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Sphinxa [80]
3 years ago
8

A girl scout has (5x+18)

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
3 0

Step-by-step explanation:

(5x+18) - (3x+12)

5x+18=3x+12

5x-3x=2x

18-12=6

2x+6

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Amelie solves the following system of equations.
PIT_PIT [208]

The values of x and y that satisfy this system of equations are 10 and 5 respectively

<h3>Simultaneous equation</h3>

Given the system of equations

x + y = 20

3x - 3y = 30

_____________________

x + y = 20

x - y = 10

Add the equations

2x = 20 + 10

2x = 30

x = 30/2

x = 15

Substitute

x -y = 10

15 - y = 10

y = 5

Hence the values of x and y that satisfy this system of equations are 10 and 5 respectively

Learn more on simultaneous equation here: brainly.com/question/16863577

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3 0
2 years ago
2x+3y=4<br> y = -3x + 20
natima [27]

Answer:

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Step-by-step explanation:

Tiger solves YOUR Linear Equations step by step using the Substitution Method, showing work{-2x+3y=20;4x+4y=-15}

3 0
3 years ago
A fruit company sells oranges for 32 cents a pound plus $7.50 per order for shipping. If an order is over 100 pounds, shipping c
Andre45 [30]

Answer:

I will tell you if you give me 5 stars and thanks.

Step-by-step explanation:

because I need it.

6 0
2 years ago
You should solve the answer for z not m pls
mariarad [96]

Step-by-step explanation:

we can factor out z

so that'll be

z((1/m)-(1/n))=1

divide by the value in parentheses on both sides

z=1/((1/m)-(1/n))

I can't tell if there's more the problem wants you to do. I could rewrite the equation on paper more easily, but I don't have one on hand

5 0
2 years ago
Read 2 more answers
eight wooden spheres with radii 3 in. are packed snugly into a square box 12 in. on one side. the remaining space is filled with
ZanzabumX [31]
Vbox-vspheres

vbox=, I assume we are dealing with l=w=h
so
v=lwh=12^3=1728

vsphere=(4/3)pir^3
r=3
vsphere=(4/3)pi3^3=4pi9=36pi
8 of them so
8 times 36pi=288pi or about 904.7786842338604526772412943845 cubic inches



vbox-sphere=1728-904.7786842338604526772412943845=823.2213157661395473227587056155
space filled by packing beads is about 823.22 cubic inches
beads percent is 823.2213157661395473227587056155/1728 times 100=47.64% filled by beads






3 0
3 years ago
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