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Novosadov [1.4K]

3 years ago

9

Wich ratio is not equivalent to the other 3?

2 answers:

ludmilkaskok [199]3 years ago

8 0

Answer:

c 12/15

Step-by-step explanation:

Because you have to multiply 3 to the denominator and what ever you do to the denominator u have to do to the numerator so If u did 3 time 5 it would be 15 but if u do 5 time 2 it would be 10 not 12 because the unit rate fraction is 2/3 so u multiply 3 to each denominator and numerator since 2/3 is the unit rate fraction

Tema [17]3 years ago

6 0

The answer would be A. 2/3

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The number T of teams that have participated in a robot-building competition for high-school students over a recent period of ti

Katarina [22]

Solving <u>the quadratic equation</u>, it is found that the number of teams is <u>greater than 1000</u> after 3.1 years.

The <u>number of teams after x years </u>is given by:

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Initially, there are T(0) = 236 teams. If will 1000 be when T(x) = 1000, thus:

$17.155x^2 + 193.68x + 235.81 = 1000$

$17.155x^2 + 193.68x - 764.19 = 0$

Which has coefficients $a = 17.155, b = 193.68, c = -764.19$ , then:

$\Delta = (193.68)^2 - 4(17.155)(-764.19) = 89950.66$

$x_{1} = \frac{-193.68 + \sqrt{89950.66}}{2(17.155)} = 3.1$

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We want the positive root, so the number of teams is greater than 1000 after 3.1 years.

A similar problem is given at brainly.com/question/10489198

8 0

2 years ago

What is the slope passing through the points (6,5) and (5,3)

Rus_ich [418]

Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

Point (6, 5)

Point (5, 3)

<u>Step 2: Find slope </u><em><u>m</u></em>

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