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Paraphin [41]
3 years ago
13

The ortiz children were given $20 spending money. By the end of day two, Joe had spent 7/8 of his money, and Lila had spent 3/4

of her money, and Antn had spent 3/5 of his money. How much did the Ortiz children spend altogether?
Mathematics
1 answer:
skelet666 [1.2K]3 years ago
5 0
They spent $44.50 overall
(:
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The method of completing the square was used to solve the equation 2x^2 - 12x + 6 =0 which equation is a correct step when using
trapecia [35]
The equation we are looking at would have to be divided by 2 first.
x²-6x+3
When looking at that, I can tell that 1 may be the possible answer since you would have to subtract 6 from both sides. That would leave a 3. Let's check.
(x-3)(x-3)
x²-6x+9=6
Now subtract 6 from both sides.
x²-6x+3=0
So, 1- (x-3)²=6 would be used.
6 0
3 years ago
Find all the points, if any, where the graph of 12x-5y=0 intersects (x+12)^2+(y-5)^2=169.
WITCHER [35]
I: 12x-5y=0
II:(x+12)^2+(y-5)^2=169

with I:
12x=5y
x=(5/12)y
-> substitute x in II:
((5/12)y+12)^2+(y-5)^2=169
(25/144)y^2+10y+144+y^2-10y+25=169
(25/144)y^2+y^2+10y-10y+144+25=169
(25/144)y^2+y^2+144+25=169
(25/144)y^2+y^2+169=169
(25/144)y^2+y^2=0
y^2=0
y=0

insert into I:
12x=0
x=0

-> only intersection is at (0,0) = option B
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3 years ago
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Jessica bakes 112 muffins in 7 batches. How many muffins does each batch contain?
labwork [276]

Solve 112 divided by 7 to find the number of muffins in each batch.

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Create a quartic polynomial function in standard form with zeros 3, –4, –4, and 1? Show work.
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Whats an inverse relationship?
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Answer:

relationship between two variables such that when the value of one variable is high then the value of the other variable is probably low

Step-by-step explanation:

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