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Elanso [62]
3 years ago
15

(08.02)a pair of equations is shown below. 3x − y = 9 y = −2x + 11 if the two equations are graphed, at what point do the lines

representing the two equations intersect?
Mathematics
2 answers:
mixas84 [53]3 years ago
8 0
3x - y = 9
y = -2x + 11

3x - (-2x + 11) = 9
3x + 2x - 11 = 9
3x + 2x = 9 + 11
5x = 20
x = 20/5
x = 4

y = -2x + 11
y = -2(4) + 11
y = -8 + 11
y = 3

solution (where the lines intersect) is (4,3)
Mademuasel [1]3 years ago
6 0

Answer: A (4,3) is the answer.

Your welcome :(p)

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Step-by-step explanation:

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Please help logarithms!
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Given:

\log_34\approx 1.262

\log_37\approx 1.771

To find:

The value of \log_3\left(\dfrac{4}{49}\right).

Solution:

We have,

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Using properties of log, we get

\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_349      \left[\because \log_a\dfrac{m}{n}=\log_am-\log_an\right]

\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_37^2      

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Substitute \log_34\approx 1.262 and \log_37\approx 1.771.

\log_3\left(\dfrac{4}{49}\right)=1.262-2(1.771)

\log_3\left(\dfrac{4}{49}\right)=1.262-3.542

\log_3\left(\dfrac{4}{49}\right)=-2.28

Therefore, the value of \log_3\left(\dfrac{4}{49}\right) is -2.28.

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3 years ago
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The probability of selecting a nickel is 0.6. This is expressed as

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Cross multiplying, it becomes

x = 20 × 0.6

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3 years ago
What is the difference of 5 and 2/5? Show your work.
tatuchka [14]

Answer:

This is the answer, let me know if something isn't clear

3 0
3 years ago
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