PLEASE HELP WILL GIVE BRAINLIEST

Mathematics

2 answers:

solniwko [45]3 years ago

5 0

All of the following expressions represent the sum of n and itself, except _____.

n², for n² = n x n, not n + n

hope this helps

Alexxandr [17]3 years ago

4 0

N^2.....because this is the product of n and itself, not the sum

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Jillian walked 0.5 miles before she started jogging at an average pace of 5 miles per hour. The equation d = 0.5 + 5tcan be used

KatRina [158]

Answer:the independent variable is t

the dependent variable is d

Step-by-step explanation:

d is dependent on t to determine what it is going to be. t does not depend on anything to determine what it can be.

7 0

3 years ago

What is the area, in square inches, of the isosceles trapezoid below?

Komok [63]

A = 73.84

Explanation-

14.2 - 6.4 = 7.8 (to get the length of the base without the top part)

7.8 • 5.2 = 40.56 (to find the area outside of our subtracted square that has the top part)

6.4 • 5.2 = 33.28 (to find the area of the inner square)

40.56 + 33.28 = 73.84 (adding together both parts to find the total area)

A = 73.84

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3 years ago

A vegetable garden with an area of 200 square feet is to be fertilized. If the length of the garden is 1 foot less than three ti

charle [14.2K]

Ok so I like to go in steps with these questions- first draw a picture and identify your variables.

W=width
L= 3w-1

Now we know that length times width gets us area so we plug in our variables into the area equation.

200 = w(3w-1)

When you foil that equation you end up with a quadratic : 3w^2-w-200 = 0

Either factor that or use the quadratic formula to get
w= 8.33 and w= -8

Since you can't have a negative dimension you need to use 8.33 and plug it back into your length equation.

Final answer:

w= 8.33ft
l= 23.99ft

*Now I simplified the decimals a little bit so you end up with 199.8ft^2 for the area so just add a few decimals on here and there*

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3 years ago

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const2013 [10]

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Step-by-step explanation:

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3 years ago

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