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liberstina [14]
2 years ago
7

Help me with this pls

Mathematics
2 answers:
kozerog [31]2 years ago
8 0

Answer:

x=2  y=17

Step-by-step explanation:

53/17       17x3 = 51     53-51     3 + 1/   x + 1/y

Marat540 [252]2 years ago
7 0

Answer:

x+y = 10

Step-by-step explanation:

~~~\dfrac{53}{17}\\\\\\=3 \dfrac{2}{17}\\\\\\=3+ \dfrac{2}{17}\\\\\\=3+\dfrac{1}{\tfrac{17}2}\\\\\\=3+\dfrac{1}{8\tfrac 12 }\\\\\\=3+ \dfrac{1}{8+ \dfrac 12 }\\\\\\\text{By comparing with}~ 3 + \dfrac 1{x + \tfrac 1y},~ \text{we get}~ x = 8~ \text{and}~ y = 2.\\\\\text{Hence,}~ x +y = 8+2 =10.

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hammer [34]

9514 1404 393

Answer:

  f(x)=\left\{\begin{array}{ccc}3&\text{for}&-5\le x < 0\\1-x&\text{for}&0

Step-by-step explanation:

The left section is defined at x = -5, but not at x = 0, so the interval for that definition is -5 ≤ x < 0. The function value on that interval is constant: 3.

The right section is defined a x = 5, but not at x = 0, so the interval for that definition is 0 < x ≤ 5. That section is a straight line with a slope of -1 and a y-intercept of 1. The function value on that interval can be written -x+1.

Then the piecewise definition is ...

  f(x) = {3, for -5 ≤ x < 0; -x+1, for 0 < x ≤ 5}

8 0
2 years ago
1. An AP Statistics class starts a project to estimate the average number of hours a student at their high school sleeps per nig
Aleks [24]

Answer:

(C) Sample: the 120 students surveyed. Population: the 1200 students at the high school. Parameter of interest: the average number of hours a student at this high school sleeps per night.

Step-by-step explanation:

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6 0
3 years ago
⅖ = ½ x<br> Explain your reasoning
fomenos

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Step 1: Flip the equation.

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Step 2: Multiply both sides by 2.

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2 years ago
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Step-by-step explanation:

4 0
3 years ago
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where m is the slope and b is the y intercept

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2 years ago
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