MATHEMATICS MIDDLE SCHOOL

There are 16 girls and 20 boys in the school band.
what is the ratio of girls to boys ?

Answers

Answer 1
Answer: To get the ratio we have to put into numerator number of girls and into denominator number of boys. Then simplify it
(16)/(20)= (16:4)/(20:4)= (4)/(5)
It also can be denoted as 4:5
Answer 2
Answer: the ratio of girls to boys is 4 to 5 in simplest terms. U need to divide both the 16 and 20 by 4, and u get 4 and 5. Since 4 represents girls, it comes first and the ratio is 4 to 5 or 4:5

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Compare using or8. 6 pints60 fluid ounces10. 5 quarts20 cups

Answers

6pints>60 fluid ounces 
5quarts= 20cups

On the first day of June there were about 16.85 hours of daylight in a city. Five months later there were about 5.50 hours of daylight. What was the percent decrease?

Answers

Answer:

67.36%

Step-by-step explanation:

You would take 16.85 - 5.50 to find the decreased amount.  Then to find the percentage you would take that answer (11.35) and divide it by the original (16.85) and get 0.6735905, then you simplify and get 67.36%.

Answer:

I'd say there was a percent decrease of approximately 67%.


Step-by-step explanation:

Which is 8.43 written in expanded form

Answers

That would be 8 + 0.4 + 0.03
8+0.4+0.03 i believe i may have gotten that wrong

Choose the inequality that represents the following graph

Answers

Graphing Inequalities on either a number line or in the coordinate plane helps to visualize the the several forms of the inequality. The inequality that represents the given graph is x>-1. Thus option C is the correct option.

Given information-

In the given graph a number line is represents the negative five to the positive five numbers.

Graphing inequalities

Graphing Inequalities on either a number line or in the coordinate plane helps to visualize the the several forms of the inequality. There is some signs which helps to represents these inequalities to represent on the mathematical form.

Sign "<" is used refer the less than amount, sign ">" is used refer the greater than amount, sign "\leq" is used refer the less than or equalto amount and sign "\geq" is used refer the greater than or equal to amount .

In the given graph a number line is shown with an open circle on point -1 and shaded the number which are grater than the number -1.

Thus we use the grater than sign for x. Now x can be any value which is greater than negative one hence we can represent the given graph with the inequality x>-1.

Hence the inequality that represents the given graph is x>-1. Thus option C is the correct option.

Learn more about the Graphing inequalities here;

brainly.com/question/10273289

The length of a rectangle is 2/5 meter. Its width is 1/4 of its length. What is the perimeter of the rectangle?

Answers

P= 2(2/5 + 1/4)
2/5 + 1/4 = 8+5/20 = 13/20
P= 2 x 13/20 = 13/10
2(2/5) + 2(2/5 x 1/4)
0.8 + 0.2
= 1

It has a perimeter of 1 metre.

Simplify 2x(5x + 3) + 7(5x + 3)

Answers

use distributive property to solve.
2x(5x+3) + 7(5x+3)
1. distribute

2x•5x = 10x^2
2x•3= 6x

10x^2+6x

7•5x = 35x
7•3= 21

35x+21

2. combine like terms

10x^2+6x+35x+21

10x^+ 41x +21 [final answer]

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