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Setler79 [48]
2 years ago
12

Find the value of X.

Mathematics
1 answer:
harkovskaia [24]2 years ago
8 0

Answer:

X = 5

Step-by-step explanation:

Angles on a straight line=180°

180-151=29°

sum of angles in a triangle= 180°

11x-1+20-3+29=180

11x+20x-3-1+29=180

31x+25=180

31x=180-25

31x=155

divide both sides by 31

X=5

(11x-1)°= 55-1= 54°

(20x-3)°= 100-3= 97°

54°+97°+29°=180°

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Answer:

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Step-by-step explanation:

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log_3_(-2x+1) = -2y + 6

What this means in exponential form is that;

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How many solutions does the nonlinear system of equations graphed below have?
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A pile of 42 coins worth $4.90, consisting of nickels and quarters. How many nickels are there?
Ymorist [56]

Answer:14

Step-by-step explanation:

A nickel is 5 cents (20% of dollar)

and a quarter is 25 cents (25% of dollar)

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Let x be the no nickels and

y be the no of quarter

therefore

x+y=42    -----1

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Solving \left ( 1\right )&\left ( 2\right ) we get

x=14 & y=28

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3 years ago
Find the slope of the line shown on the graph to the right.Select the correct choice below and fill in any answer boxes within y
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Softa [21]

Answer:

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Step-by-step explanation:

The problem statement tells you the independent variable w represents weeks that have passed. "Domain" refers to values the independent variable may have, so choices A or B make no sense here.

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The domain "all whole numbers" includes non-negative integers. It is reasonable to restrict the domain to non-negative integer numbers of weeks, so answer choice C is the best option.

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