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alexandr1967 [171]
3 years ago
14

PLEASE check these questions very carefully. Thank you very much.

Mathematics
1 answer:
Viktor [21]3 years ago
4 0

I can only see  #1,  #2, and  #3  in the picture.
I must say that I'm astonished.

Not only are all three of your answers correct,
but your work is neat, organized, and correct too.

You've attacked each problem in exactly the right way, the results
show it, and it's clear that you know what you're doing.

You rock !

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Ross calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle was it?
sveta [45]
It would be triangle E
3 0
2 years ago
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Simplify completely 2x2+13x+20/x2-5x-36
lapo4ka [179]
Here. I hope you can see it.

6 0
3 years ago
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Find the least whole number that can make this statement true 15<_*400
Tatiana [17]

Answer:

The least whole number is the number 1

Step-by-step explanation:

we have

15 < (x)400

Remember that

<u>Whole numbers</u> are positive numbers, including zero, without any decimal or fractional parts [0,1,2,3,4,5,6,...]

so

Solve the inequality for x

Divide both sides by 400

15/400 < x

0.0375 < x

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x > 0.0375

therefore

The least whole number is the number 1

7 0
3 years ago
1. Homer has an idea for a new donut shop. He wants to design the donut shop so that the rectangular
Tju [1.3M]

Solving a <em>system of equations</em>, it is found that since the <u>quadratic equation has two positive roots</u>, they can be the values of the length and the width, and the design is possible.

The perimeter of a <u>rectangle of length l and width w</u> is given by:

P = 2(l + w)

The area is:

A = lw

In this problem, perimeter of 63.5 m, hence:

2l + 2w = 63.5

2l = 63.5 - 2w

l = 31.75 - w

Area of 225 m², hence:

lw = 225

(31.75 - w)(w) = 225

w^2 - 31.75w + 225 = 0

Which is a quadratic equation with coefficients a = 1, b = -31.75, c = 225.

Then:

\Delta = b^2 - 4ac = (-31.75)^2 - 4(1)(225) = 108.0625

w_1 = \frac{-b + \sqrt{\Delta}}{2a} = \frac{31.75 + \sqrt{108.0625}}{2} = 21.1

w_2 = \frac{-b - \sqrt{\Delta}}{2a} = \frac{31.75 - \sqrt{108.0625}}{2} = 10.68

Since the <u>quadratic equation has two positive roots</u>, they can be the values of the length and the width, and the design is possible.

A similar problem is given at brainly.com/question/10489198

6 0
2 years ago
Let me know if I'm right
ycow [4]
Looks correct to me :)
5 0
3 years ago
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