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Deffense [45]
4 years ago
5

Which system of equations can be graphed to find the soultion(s) to x^2=2x+3

Mathematics
1 answer:
Elanso [62]4 years ago
3 0

Answer:

\left \{ {{y=x^2} \atop {y=2x+3}} \right.

Step-by-step explanation:

The system would be:

\left \{ {{y=x^2} \atop {y=2x+3}} \right.

And I attached the graph. The system will have 2 solution (The 2 intercepts between the curves)

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The population of a small town in Ohio was 3,800 people in I. It has slowly been decreasing at a rate of 25% per year. What will
MrRa [10]

Answer:

676 assuming the population is 3800 in 2019. If it's a different year then change t.

Step-by-step explanation:

P(t) = P_{0} (1+r)^t \\\\P(6) = 3800(1-.25)^6 \\=P(6) = 3800(.75)^6\\=676


3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B2%7D%2B2%2B%3D-2%5C%5C" id="TexFormula1" title="\frac{x}{2}+2+=-2\\" alt="\fr
expeople1 [14]
-8 is your answer so x=-8
5 0
3 years ago
Find the interest rate r given I=$ 56,P=450 and t = 6 years , round your answer to the nearest
m_a_m_a [10]

Answer:

0.163

Step-by-step explanation:

P = I (1 + r)ᵗ

450 = 56 (1 + r)⁶

8.036 = (1 + r)⁶

log₆ 8.036 = 1 + r

log 8.036 / log 6 = 1 + r

1.163 = 1 + r

r = 0.163

5 0
3 years ago
Consider the following information about travelers on vacation: 40% check work email, 30% use a cell phone to stay connected to
allsm [11]

Answer:

There is a 40% probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected.

Step-by-step explanation:

a) What is the probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected?

The problem states that 40% of the travelers on vacation check work email. And 16% of them check both work email and use a cell phone.

So, the probability is the division of those who use both email and cellphone by those who use email.

P = \frac{0.16}{0.40} = 0.4

There is a 40% probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected.

5 0
3 years ago
A culture started with 2,000 bacteria. After 2
luda_lava [24]

Answer:

14,000

Step-by-step explanation:

if wrong i'm sorry

7 0
3 years ago
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