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Sidana [21]
3 years ago
7

Heeeeeeeeeeeelllllllllllllpppppppppppppp​

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

<1 is congruent with <3, <5, and ,<7 because they are all vertical angels

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HELP PLEASE! I don't understand and have been stuck on this problem for a whole hour. Please explain. Also, none of the answers
Lyrx [107]
The altitude is the mean proportional between the left and right parts of the hyptenuse

\cfrac{FI}{GI} =  \cfrac{GI}{HI} \ \ \Rightarrow \ \  \cfrac{FI}{15} =  \cfrac{15}{16} \ \ \Rightarrow \ \ FI= \cfrac{15 \cdot 15 }{16} \approx  14.1

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5 0
3 years ago
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Simplify 9x + 18(2x - 6) + 13
Aliun [14]

Answer:

45x-95

Step-by-step explanation:

8 0
3 years ago
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Your school wants to take out an ad in the paper congratulating the basketball team on a successful​ season, as shown to the rig
iogann1982 [59]

Answer:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

Step-by-step explanation:

Let's assume that the figure attached illustrate the situation.

For this case the we know that the original area given by:

A_i = 7 in *5 in = 35in^2

And we know that the initial area is a half of the entire area in red A_i = \frac{A_f}{2}, so then:

A_f = 2 A_ i =2*35 = 70

And we know that the area for a rectangular pieces is the length multiplied by the width so we have this:

70 = (x+7) (x+5)

We multiply both terms using algebra and the distributive property and we got:

70 =x^2 +12 x +5

And we can rewrite the expression like this:

x^2 +12 x -35 = 0

And we can solve this using the quadratic formula given by:

x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}

Where a = 1, b =12 and c=-35 if we replace we got:

x = \frac{-12 \pm \sqrt{(12)^2 -4(1)(-35)}}{2*1}

And the two possible solutions are then:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

3 0
3 years ago
Javier simplified the expression below. Find and describe the three mistakes he made.
OverLord2011 [107]
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<span>Take out the constants
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( \dfrac{20}{5} *  \dfrac{x}{x^8} ) ^-^3 

(4*\dfrac{x}{x^8} ) ^-^3 

Use the rule : \frac{{x}^{a}}{{x}^{b}}={x}^{a-b}&#10; 

(4x^1^-^8)^-^3 

(4x^-^7)^-^3 

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6 0
2 years ago
Read 2 more answers
Wholesale price of coffeemaker = $31.55<br>Percentage markup = 17%<br>Retail price?​
serious [3.7K]

Answer:

$36.9135

Step-by-step explanation:

Markup = 17% of 31.55

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= 5.3635

Retail price = whole sale price + markup

= 31.55 + 5.3635

= $36.9135

8 0
3 years ago
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