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Bogdan [553]
3 years ago
6

Given: 3r + 2[3 (r-1) + 2] = 2(3r + 4) prove: r = 10/3

Mathematics
1 answer:
sveticcg [70]3 years ago
8 0
So I work this out on a sheet of paper and I'm pretty sure I did this right.


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3 cans that store 9 tennis balls... Find the constant of proportionality & write a equation to represent the relationship PL
Lilit [14]
<span>3 cans store 9 tennis balls.
Find the Constant of proportionality and write and equation with regards to this given situation:
=> number of tennis balls = 9
=> number of cans = 3

</span> <span>So the constant of proportionality is  in the working column. Pls see attached.<span>

</span></span>



7 0
3 years ago
40% of 400- how to solve please (thanks
Alexxandr [17]

Step-by-step explanation:

What is 40% of 400?

  • Convert the problem to an equation using the percentage formula: P% * X = Y
  • P is 40%, X is 400, so the equation is 40% * 400 = Y
  • Convert 40% to a decimal by removing the percent sign and dividing by 100:40/100 = 0.4
  • Substitute 0.10 for 10% in the equation: 40% * 400 = Y becomes 0.4 * 400 = Y
  • Do the math: 0.4 * 400 = 160
  • Y = 160
  • So 10% of 150 is 160
  • Double check your answer with the original question: What is 40% of 400? Multiply 0.4 * 400 = 160
6 0
2 years ago
Read 2 more answers
I actually don’t get this and I have a test in 2 days please help what is g(x) and how
nataly862011 [7]

first off, is noteworthy that's the graph of an exponential function, thus the function will be along the lines of g(x) = abˣ , now, what's "a" and "b" values?

well, let's take a peek when x = 0 and x = 1.

\bf g(x) = ab^x \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} x = 0\\ y = 1 \end{cases}\implies 1=ab^0\implies 1=a(1)\implies \boxed{1=a} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} x = 1\\ y = 4 \end{cases}\implies 4 = ab^1\implies 4=1b^1\implies \boxed{4=b} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill g(x) = 4^x\qquad \qquad \qquad \begin{array}{|c|c|ll} \cline{1-2} x&y\\ \cline{1-2} -2&\frac{1}{4^2}\to \frac{1}{16}\\ -1&\frac{1}{4}\\ 0&1\\ 1&4\\ 2&16\\ \cline{1-2} \end{array}~\hfill

8 0
3 years ago
What's the slope of this graph
Contact [7]

Answer:

Slope= -1

Step-by-step explanation:

Rise over run

2 to the right 2 down = 2/-2

Simplify to -1

3 0
3 years ago
Read 2 more answers
Combine like terms to create an equivalent expression.
zvonat [6]

Answer:

ytg4f3udy2iujsjwrhubygjrkgthjeyiulk4g;5tpyoih5jeklg5g45h5y4mjtgrety87gi3h4h5gt4f526h37uj65y

Step-by-step explanation:

5 0
4 years ago
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