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marysya [2.9K]
3 years ago
13

What’s this can someone help me please

Mathematics
1 answer:
Lina20 [59]3 years ago
5 0

Answer:

B X=30

Step-by-step explanation:

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Combine the first two equations and laws of exponents to find the equation for the mass of sodium remaining after y years. S = 8
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HELP!!! what is the answer to this 5(2)+5(7)
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Answer:

45

Step-by-step explanation:

Order of Operations: BPEMDAS

Step 1: Write out expression

5(2) + 5(7)

Step 2: Multiply

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Murrr4er [49]

Answer:

what grade you in do you even do your work this easy is b

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Answer:

Question 4: Which equation is parallel to the above equation and passes through the point (35, 30)

y= \frac{5}{7} x + 5  is the correct answer, I found this by inputting the x and y value of the coordinate (35, 30) onto the equation and solving for y-intercept since the slope of all equations is the same (since it's traveling parallel)

30 = \frac{5}{7} (35) + y\\30 = 25 + y\\5 = y

so the equation would be y= \frac{5}{7} x + 5

Question 5: Which equation is perpendicular to the above equation and passes through the point (35, 30)

y=\frac{-7}{5} x+79 is the correct answer, I found this using the same method as before, input coordinate values into the equation and solve for the y-intercept (The only thing changed from the last answer is the opposite reciprocal slope).

30 = \frac{-7}{5}(35) + y \\30 = -49 + y  \\79 = y

so the equation would be y=\frac{-7}{5} x+79

6 0
2 years ago
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