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Anestetic [448]
4 years ago
13

lina is covering a wall in her attic with wallpaper. The wall is trapezoid-shaped with top and bottom bases of 14 feet and 20 fe

et. The height of the wall is 8 feet. How much wallpaper will she need to cover the wall ?
Mathematics
1 answer:
eduard4 years ago
8 0
136ft2 I did the work but I don't know if I understood the question correctly but maybe it is right lol
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I need helpssssssssss
balu736 [363]

Answer:

I don't know lol

8 0
3 years ago
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Prove 2^n > n for all n equal to or greater than 1. I mostly need help with how to solve the problem when it is greater than
noname [10]
If n is an integer, you can use induction. First show the inequality holds for n=1. You have 2^1=2>1, which is true.

Now assume this holds in general for n=k, i.e. that 2^k>k. We want to prove the statement then must hold for n=k+1.

Because 2^k>k, you have

2^{k+1}=2\times2^k>2k

and this must be greater than k+1 for the statement to be true, so we require

2k>k+1

for k>1. Well this is obviously true, because solving the inequality gives 3k>1\implies k>\dfrac13. So you're done.

If you n is any real number, you can use derivatives to show that 2^n increases monotonically and faster than n.
7 0
3 years ago
HELP ME PLEASE I GIVE BRAINLY
7nadin3 [17]

Answer:

  20 bags

Step-by-step explanation:

gift + lunch + (skittles * count) ≤ $21

               9.25 + 3.50 + 0.40x ≤ 21

                          12.75 + 0.40x ≤ 21

                                       0.40x ≤ 8.25

                                               x ≤ 20.625

4 0
3 years ago
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A television is regularly priced at $900. This week, it goes on sale for 15% off. What's the new sale price? Step 1: set-up and
Solnce55 [7]

Answer: A

Step-by-step explanation:

3 0
3 years ago
Negate the conditional statement.<br><br> c⇒(a∧∼b)
gulaghasi [49]

The negate of this conditional statement as : a∨(∼b).

<h3>What is a expression? What is a mathematical equation? What do you mean by domain and range of a function?</h3>
  • A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.
  • A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.
  • For any function y = f(x), Domain is the set of all possible values of [y] that exists for different values of [x]. Range is the set of all values of [x] for which [y] exists.

We have the the following conditional statement -

c ⇒ (a∧∼b)

We can write the negate of this conditional statement as -

a∨(∼b)

Therefore, the negate of this conditional statement as : a∨(∼b).

To solve more questions on Equations, Equation Modelling and Expressions visit the link below -

brainly.com/question/14441381

#SPJ1

7 0
1 year ago
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