You havr 18 boys and 22 girls in your gym class what percent of the.class is not girls

2 answers:

8 0

Do 18-22 and that should give you the answer then to make sure your answer is correct subtract 22 from the answer you got

Alex_Xolod [135]3 years ago

8 0

You would add 18 + 22 to get the total number of people in the class then you would divide 18 by the total number of students

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A half-acre building lot is five times as long as it is wide. What are its dimensions?

Gnoma [55]

we know that

A half-acre is equal to----------> $2,023.43\ m^{2}$

Let

x---------> the length side of the building lot

y--------> the width side of the building lot

A------> Area of the building lot

x=5y-------> equation 1

$A=2,023.43\ m^{2}$

$A=x*y$

$2,023.43=x*y$ --------> equation 2

substitute equation 1 in equation 2

$2,023.43=[5y]*y$

$5y^{2}= 2,023.43\\y^{2}= 404.686\\y= 20.11\ m$

<u>Find the value of x</u>

$x=5y---> x=5*20.11--> x=100.55 m$

therefore

<u>the answer is</u>

the dimensions of the building lot are 100.55 m* 20.11 m

6 0

3 years ago

Which of the following is an example of the associative property?

Mariulka [41]

Hey there!

Let's look at this one answer at a time.

2(5 - 3) = 10 - 6 would classify as the distributive property because 2 times 5 is 10 and 2 times negative 3 equals negative 6.

-7 + (19 + 5) = (-7 + 19) + 5 would classify as an example of the associative property of equality because both sides of the equation simplify to equal the same number, 17.

11 + (6 + 8) = 11 + (28 + 6) is not a property of equality because it simplifies out to be 25 = 45 which is not true. 25 can never be equal to 45. It's no solution.

1/3 * 3 = 1 would be a great example of the inverse property of multiplication because one third is the reciprocal of three. In other words the equation could look like this: 1/3 * 3/1 = 3/3 = 1

Hope that helps! Thanks for using Brainly!

7 0

3 years ago

Read 2 more answers

Solve the equation X/4=12.5; x=

k0ka [10]

Answer:

x = 50

Step-by-step explanation:

x/5 = 125/10

x * 10 = 125*4(cross multiply)

10x = 500 ( divide both sides by 10)

x= 50