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Wittaler [7]
2 years ago
10

Solve each system by graphing or using a table. Check your answers.

Mathematics
1 answer:
gregori [183]2 years ago
3 0

Answer: no solution

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Points R, S, and T are collinear, and S is between R and T, in addition, RS = 2x-4, ST = 3x+2, and RT = 13. Find the value of RS
Alex17521 [72]

Answer:

RS = 2

Step-by-step explanation:

Points R, S, and T are collinear, and S is between R and T, in addition, RS = 2x-4, ST = 3x+2, and RT = 13. Find the value of RS

Hence:

RS + ST = RT

2x - 4 + 3x + 2 = 13

2x + 3x - 4 + 2 = 13

5x - 2 = 13

5x = 13 + 2

5x = 15

x = 15/5

x = 3

To find the value of RS

RS = 2x-4

RS = 2 × 3 - 4

RS = 6 - 4

RS = 2

5 0
2 years ago
Determine which of the following pairs of triangles are similar.
allochka39001 [22]
C is the answer
they have equivalent sides and equivalent measurements
3 0
3 years ago
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39. Write a ratio and a percent for the shaded area.
Xelga [282]

Hey there! :)

Answer:

First choice. 36/100 or 36%.

Step-by-step explanation:

Total # of squares:

10 × 10 = 100 squares.

# of squares shaded:

6 × 6 = 36 squares.

shaded/total to find the percent shaded:

Fraction: 36/100

Percentage: 36/100 × 100 = 36%.

5 0
3 years ago
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What is the inverse of f(x)=e^x
enot [183]

Answer:

f^{-1}(x)=\ln{x}

Step-by-step explanation:

An <em>inverse</em> function is any function that "undoes" another function. If we think of the function f as some kind of machine that takes in a number x as input and produces a number f(x) as an output, when we give inverse function f^{-1} the number f(x) as in input, we get x, our original input, as the output f^{-1}(x)

We need a function that undoes f(x)=e^x, and the natural choice for undoing an exponent is with a logarithm. Here, our base is e, so we'll choose \log_e{x}=\ln{x} as our inverse function. Let's see how that works:

f^{-1}(f(x))=\ln{e^x}

\ln{e^x} is the power we have to raise e to to get e^x, which is x, so

f^{-1}(f(x))=\ln{e^x}=x

And we have our function.

8 0
3 years ago
I need help with i-ready
qwelly [4]

Answer:

2/3 is the constant of proportionality.

4 0
3 years ago
Read 2 more answers
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