3 years ago

Please help with graph question

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

6 0

We have that
x+4y<12
y<3

using a graph tool
see the attached figure

the solution in the attached figure

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2(n2 + 1) – 3(n2 – 3) + 3(2n2 – 2),<br> n=(1/4)

IceJOKER [234]

]Answer:

$5\frac{5}{16}$

Step-by-step explanation:

Substitute the value of the variable into the equation and simplify.

$2(\frac{1}{4} ^{2} +1-3(\frac{1}{4} ^{2} -3)+3((2*\frac{1}{4}^{2} )-2)$

Solve it out.

Multiply / divide / add / subtract everything out.

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3 years ago

Combined, Teresa and Janey have saved $345 dollars. Teresa has saved twice as much as Janey. How much money do they each have?

Tema [17]

Answer: Janey has $115, and Teresa has $230.

Step-by-step explanation:

Set x be the money that Janey have, then Teresa have 2x.

x + 2x = 345

3x = 345

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2x= 2(115)= $230

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3 years ago

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Alinara [238K]

Answer:

66 squares are in the circle.

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3 years ago

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Solve the following system. y = x 2 - 9x + 10 and x + y + 5 = 0. The solutions are

shepuryov [24]

X+y+5=0

y=-x-5

If a solution exists y=y so we can say

x^2-9x+10=-x-5 add x+5 to both sides

x^2-8x+15=0 now factor

x^2-3x-5x+15=0

x(x-3)-5(x-3)

(x-5)(x-3) so x=3 and 5, using y=-x-5

y(3)=-8 and y(5)=-10

So the two solutions are:

(3,-8) and (5,-10)

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Vinvika [58]

7393=73-273 is he expression shown below

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