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2 years ago

7

Write in scientific notation: 0.00065

1 answer:

-BARSIC- [3]2 years ago

8 0

Answer:

$6.5 * 10^{-4}$

The * is a multiplication symbol

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WILL MARK BRAINLY IF CORRECT!

bogdanovich [222]

Answer:

15

Step-by-step explanation:

The given equation is

$12( - \frac{1}{6}x - \frac{2}{3}y = - 5)$

$5( \frac{2}{5} x + \frac{1}{5} y = - 9)$

When we multiply we obtain the equations:

$- 2x - 8y = - 60$

$2x + y = - 45$

We add both equations to obtain:

$- 7y = - 105$

Divide both sides by -7 to get:

$y = \frac{105}{7} = 15$

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2 years ago

BRAINLEST Find the sum of the first 6 terms of the infinite series: 1 - 2 + 4 - 8+...

arsen [322]

Answer:

-21

Step-by-step explanation:

1-2+4-8+16-32

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2 years ago

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overnigth the temperature drops at a rate 3 per hour how many hours will it take for the temperature to drop 18

sveticcg [70]

6 hours for it to drop 18

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2 years ago

What is the surface area?<br><br> 2 mm<br> 2 mm<br> 2 mm<br><br> square millimeters

Alona [7]

Answer:

24 mm^2

Step-by-step explanation:

length x width x 6 sides in a cube

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2 years ago

I need help right away ASAP!!!Please help me please finding the missing angle

german

$\\ \sf\longmapsto tan\Theta=\dfrac{P}{B}$

$\\ \sf\longmapsto tan40=\dfrac{48}{x}$

$\\ \sf\longmapsto 0.8=\dfrac{48}{x}$

$\\ \sf\longmapsto 0.8x=48$

$\\ \sf\longmapsto x=\dfrac{48}{0.8}$

$\\ \sf\longmapsto x=60$

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1 year ago

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