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2 years ago

Determine the value of X please help

Mathematics

1 answer:

bonufazy [111]2 years ago

5 0

Answer:

the angel?

Step-by-step explanation:

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Lesson 13 practice promblems algerbra 1

IrinaK [193]

well what are the questions ?

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3 years ago

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Find four geometric means between 25 and 800.

SVEN [57.7K]

Actually, you have to find four missed terms of geometrical sequence. Denote

$a_1=25,\\ a_6=800$

and r - ratio, then

$a_2=a_1\cdot r=25r,\\a_3=a_1\cdot r^2=25r^2,\\a_4=a_1\cdot r^3=25r^3,\\a_5=a_1\cdot r^4=25r^4,\\a_6=a_1\cdot r^5=25r^5$ .

Since $a_6=800$ , you have that $800=25r^5$ , then

$r^5=\dfrac{800}{25} =32,\\r=2$ .

Now substitude r=2 in each of unknown 4 terms:

$a_2=25\cdot 2=50,\\a_3=25\cdot 2^2=100,\\a_4=25\cdot 2^3=200,\\a_5=25\cdot 2^4=400$ .

Answer: four geometric means between 25 and 800 are 50, 100, 200, 400.

8 0

3 years ago

Help i don't know what the answer is

____ [38]

The answer to that is -4!!

3 0

2 years ago

A 228 B 328 C 488 D 572

Aleksandr [31]

Answer:

G 328 ft

Step-by-step explanation:

$\cos(angleBAC) = \frac{AB}{AC}$

$\cos(55°) = \frac{AB}{400}$

AB = 229.431 ft

AB² + BC² = AC²

229.431² + h² = 400²

h = 327.659 ft ≈ 328 ft

HOPE THIS HELPS AND HAVE A NICE DAY <3

7 0

2 years ago

IM LAZY SO SOMEONE PLZ TELL ME 308 DIVIDED BY 2

Vanyuwa [196]

Answer:

154

Step-by-step explanation:

4 0

2 years ago

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