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3 years ago

In Tim's math class there are 12 boys and 15 girls. What is the ratio of boys to total students in his math class?

Mathematics

1 answer:

atroni [7]3 years ago

6 0

Answer:

12:27

Step-by-step explanation:

because there are 12 boys

and u need to find the TOTAL

so u ned to add those girls

12 + 15 = 27

12:27

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2 years ago

Cody wants to watch a movie that is 3 hours long he has watched 1/6 of the movie. How much time did Cody spend watching the movi

Anettt [7]

Answer:

3 hours is 60×3=180

1/6 of 180 =180÷ 6= 30

30 mins is the answer

Step-by-step explanation:

if you want to find another position other than 1/6 like 4/6 then you can just times the answer in this case 30 by the amout u need in this case 4 so 4/6 would be 120 which is 2 hours

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3 years ago

7. Ger and Amy are planting tulips. Ger has planted 60 tulips already and is planting more at a

artcher [175]

Answer:

23 hours

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2 years ago

Read 2 more answers

1. PART A: Determine the missing lengths:

Otrada [13]

Divide into two rectangles

$\\ \tt\hookrightarrow "1"=14-12=2$

$\\ \tt\hookrightarrow "2"=3+1=4$

$\\ \tt\hookrightarrow P=14+1+12+3+2+4=36$

$\\ \tt\hookrightarrow A=14(1)+3(2)=14+6=20units^2$

3 0

2 years ago

Read 2 more answers

Reptile [31]

Answer:

The real zeros of f(x) are x = 0.3 and x = -3.3.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this problem, we have that:

$f(x) = x^{2} + 3x - 1$

$a = 1, b = 3, c = -1$

$\bigtriangleup = 3^{2} - 4*1*(-1) = 13$

$x_{1} = \frac{-3 + \sqrt{13}}{2*1} = 0.3$

$x_{2} = \frac{-3 - \sqrt{13}}{2*1} = -3.3$

The real zeros of f(x) are x = 0.3 and x = -3.3.

7 0

3 years ago