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Ksju [112]
3 years ago
10

Daniel and Sofia both solve this system of equations: y = -1.5x + 5.7 y = 0.5x + 0.3 Daniel's solution is (1.1, 2.4). Sofia's so

lution is (2.7, 1.65). They graph the equations to check their work. Based on the graph, whose solution is more likely to be correct?Daniel is more likely to be correct. The x-coordinate of the intersection is between 1 and 2 and the y-coordinate of the intersection is between 2 and 3. Sofia is more likely to be correct. The x-coordinate of the intersection is between 2 and 3 and the y-coordinate of the intersection is between 1 and 2. or niether
Mathematics
2 answers:
scoundrel [369]3 years ago
7 0
Y = -1.5x + 5.7
y = 0.5x + 0.3

-1.5x + 5.7 = 0.5x + 0.3
-1.5x - 0.5x = 0.3 - 5.7
-2x = - 5.4
x = -5.4/-2
x = 2.7

y = 0.5x + 0.3
y = 0.5(2.7) + 0.3
y = 1.35 + 0.3
y = 1.65

solution is (2.7, 1.65)

Sophia is more likely to be correct because the x coordinate is between 2 and 3 and the y coordinate is in between 1 and 2



OverLord2011 [107]3 years ago
7 0

Answer:

Sofia is more likely to be correct

=)

Step-by-step explanation:

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Answer: A. $35.10

Step-by-step explanation:

Since the total money paid for the water for 3months is $95 and there are 31 days in October, 30days in November and 31 days in December totalling 92days. Therefore $95 was charged for water for 92days.

Since the owner sold the house and the rentage stopped 27th November, this shows the person only used water for (31+27) days i.e 58 days in the house.

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58days will be equivalent to 58×95/92 = $59.9

The amount received will be

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5 0
4 years ago
solve 3(2x-1)-10=8=5x l had this question so many times in past 2 weeks in my algebra exams and l still dont know how to solve i
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Alright, so to understand algebra
use PEMDAS
parenthasees
exponents (square roots count as exponents)
multiply or divide
add or subtract

basically try to isolate the unknown/vareable/xterm
so


3(2x-1)-10=8+5x (assuming you meant to type 8+5x and not 8=5x)

first distribute using distributive property
a(b+c)=ab+ac
3(2x-1)=3 times 2x+3 times -1=6x-3
6x-3-10=8+5x
add like terms
6x-13=8+5x
subtract 5x from both sides
x-13=8
add 13 to both sdies
x=21


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4 years ago
I need help on this question
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Answer:

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Step-by-step explanation:

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Answer:

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