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STatiana [176]
3 years ago
11

How many solutions can Quadratic functions have?

Mathematics
1 answer:
tamaranim1 [39]3 years ago
4 0

Answer:

2 solutions

Step-by-step explanation: As we have seen, there can be 0, 1, or 2 solutions to a quadratic equation, depending on whether the expression inside the square root sign, (b2 - 4ac), is positive, negative, or zero. This expression has a special name: the discriminant.

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X + 7 &gt; 10<br> Solution is
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x>3

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What is 10% off £1.80?
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Help please worth 30
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Answer:

A) AA postulate; 18

Step-by-step explanation:

Due to the similar triangles, we can set up the proportion and solve for x

8/(8+4) = 12/x

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7 0
3 years ago
The distance around a meteor crater is 9,471 ft. Find the diameter of the crater. Use
matrenka [14]

Answer:

The distance around the crater is 9415.  If the crater is in the shape of a circle then this distance is the circumference of the circle.  The circumference C and diameter D of a circle are related by the formula

C = PI * D

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9415 = (22/7) * D

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The population of a city has been increasing by 2% annually. The sign shown is from the year 2000.
Fofino [41]

The population will be about 2972 population in 2020

<h3>Exponential functions </h3>

The standard exponential equation is expressed as;

y = ab^x

where

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Given the following parameters

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Substittute the given parameters into the formula

y = 2000(1.02)^x

If x = 20 (from 2000 to 2020)

The population will be expressed as;

y = 2000(1.02)^20

y = 2972 populations

Hence the population will be about 2972 population in 2020

Learn more on exponential functions here; brainly.com/question/12940982

5 0
3 years ago
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