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Dennis_Churaev [7]
3 years ago
9

Help I need it now!!! Please when x=2 and y=6 evaluate the expression 2x squared by 3 +3y -4

Mathematics
1 answer:
aksik [14]3 years ago
3 0
Go on your iPhone calculator , turn your phone side ways, there will be more signs and symbols, there should be the squared symbol.

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Students get a 15% discount off the original prices at the Everything Fluorescent store during its back to school sale. Find the
spayn [35]
The discount is $1.19 unless you have to round up than it is $1.20. in order to solve this problem you would set up a proportion. So your proportion would be x over 7.99 = 15 over 100. Than you would cross multiply. 7.99*15=119.85. and 100*x=100x. than u divided both sides by a 100. than x= 1.19. which 1.19 is the discount. 
5 0
3 years ago
Can someone help me solve multiple step equations? For example (7t - 2) - (-3t + 1) = -3(1 - 3t)
artcher [175]

Answer:

t = 0

Step-by-step explanation:

(7t - 2) - (-3t + 1) = -3(1 - 3t)

because you can not do anything inside the parantheses, you distribute. there aren't any numbers on the left side of the parantheses on the left side of the equation so we just imagine the number 1. on the right side of the equation, just distribute normally

[ 1(7t - 2) -1(-3t + 1) = -3(1 - 3t) ]

will be

7t - 2 + 3t - 1 = -3 + 9t

add like terms

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subtract 9t from both sides

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add 3 to both sides

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3 0
3 years ago
Help with this math question... Leslie created a rectangle on the coordinate plane. Three of the vertices are (5,-2), (5,2), (2,
Aloiza [94]
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7 0
3 years ago
Find the value of x.
OLEGan [10]

Answer:

x=6.09cm

Step-by-step explanation:

Working out AB:

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= √80.26

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x= 6.09cm

7 0
3 years ago
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nikitadnepr [17]
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8 0
3 years ago
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