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3 years ago

10

Which equation could be used to solve problems involving the relationships between the angles?

1 answer:

Salsk061 [2.6K]3 years ago

8 0

Answer:

B

Step-by-step explanation:

The answer is B I just had this question

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konstantin123 [22]

100,000

is the answer

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How many solutions do these equations have

Arlecino [84]

Answer:

$\large\boxed{\bold{one\ solution}\ (1,\ -4)\to x=1,\ y=-4}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=2x-6\\y=-x-3\end{array}\right\\\\\text{These are linear functions. We only need two points to draw a graph.}\\\\\text{Choice two values of x, substitute to the equation,}\\\text{and calculate the values of y.}\\\\y=2x-6\\for\ x=0\to y=2(0)-6=0-6=-6\to(0,\ -6)\\for\ x=3\to y=2(3)-6=6-6=0\to(3,\ 0)\\\\y=-x-3\\for\ x=0\to y=-0-3=0-3=-3\to(0,\ -3)\\for\ x=-3\to y=-(-3)-3=3-3=0\to(-3,\ 0)\\\\\text{Look at the picture}$

$\text{The intersection of the line is the solution of the system of equations:}\\\\(1,\ -4)\to x=1,\ y=-4$

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3 years ago

In how many years will rupees 150 double itself at 4% S.I.?

nikitadnepr [17]

Answer:

Simple interest = PRT/100

300 = 150 x 4 x T/100

2 x 100/4 = T

Therefore T = 50 years

Hope this helps!

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3 years ago

last week , it rained x inches. This week the amount of rain decreased by 5%. which expressions represent the amount of rain tha

MArishka [77]

$0.95 x$

as 0.95 is the same as decreasing by 5%

extra help:
to increase by 5% you times by 1.05x

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BARSIC [14]

First, we need to isolate the variable x.

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