MATHEMATICS MIDDLE SCHOOL

What number is 40% of 720

Answers

Answer 1
Answer: you would have to set you problem up like
   x         40
____=_____
 720     100

you would multiply 40 by 720 then you would divide 28,800 by 100 your answer will be 288.

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What is the slope of the line?

y = -3x + 8


slope =

Answers

Line equations always follow the formula
y = mx + b
m is the coefficient of x
m also represents the slope
b is the y intercept (where the line crosses the y axis)

If the coefficient of x is -3, then the slope (gradient) is also -3

-3
y = mx + b

Where 'm' is the slope and 'b' is the y-intercept. 

y = -3x + 8

Answer:  -3 is the slope. 

How many sides does a pentagon have?

Answers

a pentagon has 5 sides
a pentagon has five sides

14 to 21= ___ to 15 help me find the ratio

Answers

14 / 21 = X/15 => X = 14 * 15 / 21 => divide by 7 => 2 * 15 / 3 => divide by 3 => 2 * 5 / 1 => 10

The price per share of Envx stock is dropping at a rate of $1.45 each hour what rational number represents the change in the price per share after 5 hours?

Answers

Answer:

-7.25

Step-by-step explanation:

Given,

The stock is dropping at the rate of $1.45 each hour,

So, the change in price of the stock in one hour = - $1.45,

Thus, the total change of the stock in 5 hours

= 5 × change in 1 hour

= 5 × 1.45

= -$ 7.25

∵ A terminating decimal number is always a rational number ( however it is negative )

i.e. the rational number that represents the change in the price per share after 5 hours is -7.25.
Maybe 7.25 because you may have to multiply I am really not sure but hopefully this helps

A square is a quadrilateral with four equal sides and four equal angles. Determine an expression for the perimeter of a square, given that each side has a length of units. 2 + + + (4) ∙

Answers

Answer:

P = 4*a  or P = a + a + a + a

Step-by-step explanation:

Given that each side has a length of units, assume the length is a.

The perimeter of a square (quadrilateral) is given by:

P = 4*a  or P = a + a + a + a

Example 1: Find the area and perimeter of the square whose side length is 2 meters.

Solution:

Given that:

a = 4m

Perimeter of the square = 4 × 2 = 8 m

Hope it will find you well.

Answer:

i would come to guess it to be: 2+4=x divided by y                  (y) = each side

                                                                                             (x) = perimeter

Step-by-step explanation:

I hope thas enough for you to work off of.

How do you simplify fractoins

Answers

Find the GCF of both numerator and denominator and then divide both the denominator and numerator by that and you will get the simplified fraction.
Find the Greatest Common Factor or GCF of both both fractions and divide.
If the Numerator and the Denominator is both even numbers it is 100% not the simplest form!
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