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Angelina_Jolie [31]
3 years ago
8

(07.02 LC)

Mathematics
1 answer:
babymother [125]3 years ago
8 0

Answer:

statement which is true for the equation

Step-by-step explanation:

d. It has infinitely many solutions.

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Solve the system of equations. 4y + 11x – 67 = 0 2y + 5x - 19 = 0 x= y=​
katen-ka-za [31]

Answer:

x = 29, y = -63

Step-by-step explanation:

Solve the following system:

{4 y + 11 x - 67 = 0 | (equation 1)

{2 y + 5 x - 19 = 0 | (equation 2)

Express the system in standard form:

{11 x + 4 y = 67 | (equation 1)

v5 x + 2 y = 19 | (equation 2)

Subtract 5/11 × (equation 1) from equation 2:

{11 x + 4 y = 67 | (equation 1)

{0 x+(2 y)/11 = -126/11 | (equation 2)

Multiply equation 2 by 11/2:

{11 x + 4 y = 67 | (equation 1)

{0 x+y = -63 | (equation 2)

Subtract 4 × (equation 2) from equation 1:

{11 x+0 y = 319 | (equation 1)

{0 x+y = -63 | (equation 2)

Divide equation 1 by 11:

{x+0 y = 29 | (equation 1)

{0 x+y = -63 | (equation 2)

Collect results:

Answer: {x = 29, y = -63

3 0
2 years ago
Read 2 more answers
Please hurry
ella [17]

Answer:

Yes x and y do have a proportional relationship because with every 10 copies of paper the value of y goes up by 1 meaning that it would have a constant rate of change equal to 1/10

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2 years ago
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F(x)=(x^3+4x^2+7x-9) d(x)=(x+3)<br><br> divide using long division
Alchen [17]

The result is x^2 +x +4 -21/(x+3).

_____

Polynomial long division tends to be easier than numerical long division because the quotient term never needs adjustment. It is always the ratio of the highest degree terms of the dividend and divisor.

See the attachment for the intermediate steps.

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3 years ago
Which of the expressions are equivalent to angle z?<br><br>​
san4es73 [151]

heskjjehrjefrkhbjhgfrkjfrfvbnrjgjrnnqojdhf

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an alloy of tin is 15% tin weigh 20 pounds . A second alloy is 10% tin . how much pounds of the second alloy must be added to th
Ulleksa [173]
12%=(3+10%*x)/(20+x)
x=30

add 30 pounds of the second alloy



7 0
2 years ago
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