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Rudiy27
3 years ago
7

3*(5-2)-2* (2-1)=1+3*2

Mathematics
2 answers:
kipiarov [429]3 years ago
6 0
<span><span><span>3<span>(<span>5−2</span>)</span></span>−<span><span><span>2<span>(<span>2−1</span>)</span></span><span>?=</span></span>1</span></span>+<span><span>(3)</span><span>(2)</span></span></span><span><span>7=</span>7</span><span>True</span>
Rasek [7]3 years ago
5 0
Simplify each side in order to determine if true.It is True they both equal the same 3 x (5-2)-2 x (2-1) = 1+3 x 2
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Solve the following system of equations algebraically:
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Answer:

(2,1) , (-4,-17)

x  = 2  ,  y =  1

x =  − 4  ,  y =  −  17

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The population of mosquitoes in a certain area increases at a rate proportional to the current population, and in the absence of
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Answer:

P=400000(2^t)-40000t

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P=400000(2^t)

Also, the predators eat the mosquitoes at a rate of 40,000 mosquitoes/day. This means that each day, the mosquitoes reduce by 40000t, therefore this can be represented by:

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3 years ago
You invest $5,000 in a savings account that earns 6% interest each year.
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4 0
3 years ago
How to add and subtract positive and negative fractions
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5 0
3 years ago
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HELP PLEASE. A pizza shop charges customers based on the area of the pizza they order. The cost of a pizza in dollars can be rep
san4es73 [151]

For this case we have that the cost of each pizza is given by the following function:

S (r) = 0.1 \pi * r ^ 2

Where:

r: It's the radius of the pizza

IF a pizza cost $26.32 we have:

26.32 = 0.1 \pi * r ^ 2

We cleared the radius, using \pi = 3.14:

\frac {26.32} {0.1} = \pi * r ^ 2\\263.2 = 3.14r ^ 2\\\frac {263.2} {3.14} = r ^ 2\\83.82 = r ^ 2\\r = \pm \sqrt {83.82}

We choose the positive value:

r = 9.15

So, the radius of the pizza is 9.16 \ in

Then, the diameter is: 2r = 2 * 9.15 = 18.30 \ in

Finally, the diameter of the pizza is:18.30 \ in

Answer:

Option B

4 0
3 years ago
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