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Lady bird [3.3K]
2 years ago
11

May someone please show full work. How do I do this?

Mathematics
1 answer:
son4ous [18]2 years ago
4 0

Answer:

9) x = 62 10) x = 61 11) x = 7

Step-by-step explanation:

9) x + 118 = 180

- 118. - 118

x = 62

10) 2x + 3 + x - 6 = 18

Add like terms

x = 61

11) x + 16 = 4x - 5

x = 7

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Solve for x if x+3.5=4 1/3
WARRIOR [948]

Answer:

x = 5/6

Step-by-step explanation:

x + 3 1/2 = 4 1/3       (converting decimal to fraction)

x + 3 3/6 = 4 2/6     (creating common denominators)  

x = 5/6                     (removing 3 3/6 from both sides)

If my answer is incorrect, pls correct me!

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-Chetan K

7 0
2 years ago
Someone please help me!
Nuetrik [128]

Answer:

33

Step-by-step explanation:

25/30=45/x

x=63

63-30=?

?=33

5 0
3 years ago
Rewrite y + 3 = 0 using function notation.
Leni [432]
F(x) basically just substitutes the "y"
so you would bring everything over to one side
y + 3 = 0
subtract 3
y = -3
then 
f(x) = -3

That is B)
3 0
3 years ago
Read 2 more answers
Slope-rate of change- “if there were 12,000 in the Atlantic Ocean in 1950 and there are 3,600 dolphins today, what is the yearly
jasenka [17]

\bf \begin{array}{|cc|ll} \cline{1-2} \stackrel{x}{year}&\stackrel{y}{dolphins}\\ \cline{1-2} &\\ 1950&12000\\ 2018&3600 \\&\\ \cline{1-2} \end{array}~\hspace{5em}(\stackrel{x_1}{1950}~,~\stackrel{y_1}{12000})\qquad (\stackrel{x_2}{2018}~,~\stackrel{y_2}{3600}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{3600-12000}{2018-1950}\implies \cfrac{-8400}{68}~~\approx~~ \stackrel{\textit{rate of change}}{-123.53}


-8400/68 simplifies to to -2100/17,  dolphins/year, so 2100 less dolphins every 17 years.

and we can just divide those to get the decimal amount of -123.53, which means, 123.53  less dolphins every year.

of course, there's no such a thing as 0.53 of a dolphin, so, we can say "about" 123 less dolphins per year.

5 0
2 years ago
What is the probability that the first marble is blue and the second marble is yellow?
Cloud [144]

Answer:

\frac{1}{14}

Step-by-step explanation:

<u><em>First time drawing:</em></u>

Total outcome is 8

Favorable outcome is 2

The probability that the first marble drawing in random is blue is

\frac{2}{8} = \frac{1}{4}

<u><em>Second time drawing (with no replacement): </em></u>

Total outcome is 7  (8 - 1 = 7)  

Favorable outcome is 2

The probability that the second marble drawing in random is yellow is

\frac{2}{7}

<em>The probability that the first marble is blue and the second marble is yellow is</em> \frac{1}{4} × \frac{2}{7} = \frac{2}{28} = \frac{1}{14}

5 0
2 years ago
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