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4 years ago

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What is the root of 20

2 answers:

belka [17]4 years ago

6 0

1000000000000000000000000000

Basile [38]4 years ago

6 0

The square root of 20 = 4.472: The full number is 4.472135955

Enjoy your day, and hope it helps!

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A spotlight is mounted on a wall 7.4 feet above a security desk in an office building. It is used to light an entrance door 9.3

yan [13]

Here we have a 90 degrees triangle where we can use trigonometric functions.

Here we can use tan(x) function because it requires legs of triangle that are given and inverse function of tan(x) will than give us asked angle

tan(x) = 7.4/9.3 = 0.7956
x = arctan(0.7956) = 38.505 ≈ 39 degrees.

7 0

3 years ago

How to work the problems and explain step by step by showing the work

Norma-Jean [14]

Well, you're asked to simply grab the second version of that amount, or balance, and provide a common factored version of it, is all

so $\bf A_2=(P+Pr)+(P+Pr)r
\\\\
\textit{now, let's take common factor}
\\\\

A_2=\underline{(P+Pr)}+\underline{(P+Pr)} r\impliedby \textit{see the common factor?}
\\\\

A_2=\underline{(P+Pr)}(1+r)$

5 0

3 years ago

The ratio of the width to the length of a rectangle is 2:3, respectively. Answer each of the following. a By what percent would

MrRissso [65]

Answer: 125%

Step-by-step explanation:

The ratio of the width to the length of a rectangle is 2:3, respectively , this means that :

W = $\frac{2}{3}$ L

Area of a rectangle = Length X Width , this means that

A = L X $\frac{2}{3}$ L

A = $\frac{2}{3}$ $L^{2}$

The Length and the Width increased by 50% , this means that :

New Length = 1.5L

New Width = 1.5W

New area = 1.5L x 1.5 W

New area = 2.25WL

But W = $\frac{2}{3}$ L , therefore :

New Area = 2.25L( $\frac{2}{3}$ L )

New Area = 1.5 $L^{2}$

Therefore , % change in area = change in area / original area x 100

Change in area = 1.5 $L^{2}$ - $\frac{2}{3}$ $L^{2}$

% change in area = 0.833/0.677 x 100

% change in area = 125%

5 0

4 years ago

Jessies daughter went to target and bought $1 or $2 items from the one spot area. She wants to spend less then 20$ at target. Pa

Rzqust [24]

Step-by-step explanation:

part A:

she can buy 8 of $1 items and and 5 $2 since

$8(1) + 5(2)= 8 +10 =$ <em>$18 < $20</em>

she can buy 5 $1 items and and 7 $2 since

$5(1) + 7(2)= 5 +14 =$ <em>$19 < $20</em>

she can buy 5 $3 items and and 8 $2 since

$3(1) + 8(2)= 3 +16 =$ <em>$19 < $20</em>

<em></em>

part B:

let x represent $2 and y represent $1 , since she wants to spend below $20 this would be

$2x +y$

part C:

refer to the attached graph for part c

the difference between the ordered pairs that falls on the line and the shaded area is 0

4 0

3 years ago

Can you step by step solve 20x+12=4x-16

Murljashka [212]

Answer:

x = - $\frac{7}{4}$

Step-by-step explanation:

Given

20x + 12 = 4x - 16 ( subtract 4x from both sides )

16x + 12 = - 16 ( subtract 12 from both sides )

16x = - 28 ( divide both sides by 16 )

x = $\frac{-28}{16}$ = - $\frac{7}{4}$ [ = - 1.75 ]

4 0

4 years ago