3 years ago

Brainiest to whoever solve this right!

Mathematics

1 answer:

ikadub [295]3 years ago

5 0

so you round your nearest hundred so angle in a triangle is 180degree so A+B+C

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a 20 ft piece of string is cut into two pieces so that the longer piece is 5 feet longer than twice the shorter piece. If the sh

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4 years ago

A culture started with 3000 bacteria. After 4 hours, it grew to 3,600 bacteria. Predict how many bacteria will be present after

Vlad [161]

Hello Shannonrodrigue. You can solve this by setting up an exponential growth equation.

$A = A_ob^t$
$3600 = 3000b^4$

Now we solve for b
$3600 = 3000b^4$
$\frac{3600}{3000} = \frac{3000b^{4}}{3000}$
$\frac{6}{5} = b^4$
$\sqrt[4]{\frac{6}{5}} = \sqrt[4]{b^4}$
$\sqrt[4]{\frac{6}{5}} = b$

Now that we have found b, we can use the equation $A = 3000b^t$ to predict how many bacteria will be present after 10 hours.
$b = \sqrt[4]{\frac{6}{5}}$
t = 10
$A = 3000b^t$
$A = 3000\sqrt[4]{\frac{6}{5}}^{10} = 4732.3228 = 4732$

Answer = 4732

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3 years ago

The price of an item has risen to $301 today. Yesterday it was $140 Find the percentage increase.

Ludmilka [50]

Answer: 115%

Step-by-step explanation: ur welcome

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3 years ago

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Rectangle ABCD is on the coordinate plane. The equation of line AB is y = 2/3x+4. What is the slope of line AD? Explain your rea

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