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4 years ago

Square root of 92 whole numbers lines in between

Mathematics

1 answer:

Vladimir [108]4 years ago

8 0

Nine and ten because nine squared is eighty two and ten squared is one hundred

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Calcula el área y perímetro de un rectángulo que tiene como base (x+y) y altura (x-1).

nignag [31]

Answer:

A = x^2 - x + xy - y

P = 4x + 2y - 2

Step-by-step explanation:

$a = (x + y)(x - 1) \\ a = {x}^{2} - x + xy - y \\ \\ p = 2((x + y) + (x - 1)) \\ p = 2(2x + y + - 1) \\ p = 4x + 2y - 2$

I hope that is useful for you :)

3 0

4 years ago

The length of a rectangle is 7 more than the width. The area is 744 sqaure yards, find the length and width of the rectangle

Lina20 [59]

The length of rectangle is 31 yards and width is 24 yards.

Step-by-step explanation:

Given,

Width of rectangle = w

Length of rectangle = w+7

Area of rectangle = 744 square yards

Area = Length * width

$744=w(w+7)\\744=w^2+7w\\0=w^2+7w-744\\w^2+7w-744=0$

Factorizing the equation

$w^2+31w-24w-744=0\\w(w+31)-24(w+31)=0\\(w+31)(w-24)=0$

Either,

w+31=0, =>w= -31

Or,

w-24=0 =>w=24

As width cannot be negative, therefore,

Width = 24 yards

Length = w+7 = 24+7 = 31 yards

The length of rectangle is 31 yards and width is 24 yards.

Keywords: area, rectangle

Learn more about rectangles at:

#LearnwithBrainly

4 0

4 years ago

What is the sum of -36 4/9 - (10 2/9) - (18 2/9)

grigory [225]

let's firstly convert the mixed fractions to improper fractions and then add them up.

$\bf \stackrel{mixed}{36\frac{4}{9}}\implies \cfrac{36\cdot 9+4}{9}\implies \stackrel{improper}{\cfrac{329}{9}} \\\\\\ \stackrel{mixed}{10\frac{2}{9}}\implies \cfrac{10\cdot 9+2}{9}\implies \stackrel{improper}{\cfrac{92}{9}}~\hfill \stackrel{mixed}{18\frac{2}{9}}\implies \cfrac{18\cdot 9+2}{9}\implies \stackrel{improper}{\cfrac{164}{9}} \\\\[-0.35em] ~\dotfill$

$\bf -\cfrac{329}{9}-\cfrac{92}{9}-\cfrac{164}{9}\implies \stackrel{\textit{using the LCD of 9}}{\cfrac{-329-92-164}{9}}\implies -\cfrac{585}{9}\implies -65$

8 0

3 years ago

(1.2 x 10-4) + (2.4 x 10-3)

ryzh [129]

Answer:

Step-by-step explanation:

(1.2 x 10-4) + (2.4 x 10-3)

Simplify

1.2 x 10- 4 = 8

2.4 x 10- 3 = 21

Add both sums to get 29!

SCIENTIFIC NOTATION

2.9 x 10 to the 1st power

Move the decimal over to make a number less than ten, so that makes 2.9 and 10 to the 1st because you moved the decimal once! Hope this is better

6 0

4 years ago

Philosophy is not considered science because it lacks

olga_2 [115]

I think it lacks logical......................

5 0

4 years ago