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3 years ago

What is the scientific notation of 427 thousand

Mathematics

2 answers:

Neporo4naja [7]3 years ago

7 0

Answer : 427.000 I think it’s correct but hope this helps

Veronika [31]3 years ago

6 0

Thousand is 1,000, or 10^3, when multiplied by the 100 in 427, it becomes 10^5. Because we divided 427 and put the notation in the 10^#. It would be 4.27, once we add the ten^#, it becomes..

Answer: 4.27*10^5

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5. Write each polynomial in standard form.<br> -X-9x² + 12

givi [52]

Answer:

-9x^2-x+12

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Hey, I'm on the same unit! -9x^2-x+12 is your answer.

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

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3 0

3 years ago

ASAP need answer to this system of equations... ILL give brainliest to correct answers only

pshichka [43]

Answer:

(7,12),(-12,-7)

Step-by-step explanation:

x^2 + y^2 = 193

x - y = - 5

x = y - 5

(y - 5)^2 + y^2 = 193

y^2 - 10y + 25 + y^2 = 193

2y^2 - 10y + 25 = 193

2y^2 - 10y + 25 - 193 = 0

2y^2 - 10y - 168 = 0

2*(y^2 - 5y - 84) = 0 This factors into

2*( y - 12) (y + 7) = 0

y = 12

in which case x = 12 - 5 = 7

y = - 7

in which case x = -7 - 5 = - 12

8 0

2 years ago

Y is a number such that 6y = 12

nataly862011 [7]

6y = 12
y = 12/6
y = 2

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5 0

2 years ago

A cone and a cylinder have equal radius, r, and equal altitudes, h. If the slant height of the cone is l, then the ratio of the

77julia77 [94]

Given:

radius of cone = r

height of cone = h

radius of cylinder = r

height of cylinder = h

slant height of cone = l

Solution

The lateral area (A) of a cone can be found using the formula:

$A\text{ = }\pi rl$

where r is the radius and l is the slant height

The lateral area (A) of a cylinder can be found using the formula:

$A\text{ = 2}\pi rh$

The ratio of the lateral area of the cone to the lateral area of the cylinder is:

$\pi rl\text{ : 2}\pi rh$

Canceling out, we have:

$\begin{gathered} =\frac{\pi rl}{2\pi rh} \\ =\text{ }\frac{l}{2h}\text{ or l:2h} \end{gathered}$

Hence the Answer is option B

3 0

9 months ago

Summation notation of 2+4+6+8+10

Veronika [31]

The answer to this question is 30.

4 0

3 years ago