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Elis [28]
2 years ago
6

PLEASE HELP THIS IS MY LAST TEST QUESTION!!!14x^5y^4+21x^3y^2/7x^3y

Mathematics
1 answer:
nordsb [41]2 years ago
5 0

Answer: =2x²y³+3y.

Step-by-step explanation:

\frac{14x^5y^4+21x^3y^2}{7x^3y} =\frac{7x^3y*(2x^2y^3+3y)}{7x^3y}= 2x^2y^3+3y.

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Find the length of the diameter of a sphere with a surface area of 1890.56 cm^2.
Grace [21]
1890.56 / 4 = 472.64 / pi = 150.4459846
square root of 150.4459846 = 12.26564245 = radius
12.26564245 x 2= 24.53128489 
the answer is number 2
3 0
4 years ago
PLEASE HELP!!!!!!!!!!!!
hammer [34]

Answer:

The answer to your question is: Option B is correct

Step-by-step explanation:

Which expression is equivalent to the square root of 80?

Find the prime factors of 80

80 = 2⁴5 then \sqrt{80}  = 4\sqrt{5} = \sqrt{2^{2}2^{2} 5 }

Option A which is 4 square root of 2 times the square root of 5  This option is incorrect

Option B which is square root of 2^4 times the square root of 5  This option is correct

Option C which is the square root of 2 times the square root of 2 times the square root of 5  This option is incorrect

Option D which is the square root of 2^2 times the square root of 2^2 times the square root of 5^2 This option is incorrect

6 0
3 years ago
Help pls thank you so much
azamat

Answer:

$179.20

Step-by-step explanation:

use the formula retail price = original price + markup

Step One: Convert 28% to a decimal

--> 0.28

Step two: Plug all the numbers into the equation

--> $140 + $140 x 0.28 = $179.20

Give brainliest if this was helpful! Thanks! Have an amazing day!

5 0
3 years ago
What is x in the equation, x - 32 = 68 - 4x
shepuryov [24]
X - 32 = 68 - 4x
+32 +4x       + 32 +4x
____________
5x = 100
---     -----
 5        5
x = 20
4 0
3 years ago
Identify the slope and the y-intercept of the following function: y= 1/3x-9
Ahat [919]

Slope: 1/3x Also rise over run and the Y-intercept would be -9

5 0
4 years ago
Read 2 more answers
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