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UNO [17]
3 years ago
14

Need help plz Expand and combine like terms. (5a³−6a²)(5a³+6a²)=

Mathematics
1 answer:
nignag [31]3 years ago
7 0

Answer:

=25a6−36a4

Step-by-step explanation:

=(5a3+−6a2)(5a3+6a2)

=(5a3)(5a3)+(5a3)(6a2)+(−6a2)(5a3)+(−6a2)(6a2)

=25a6+30a5−30a5−36a4

=25a6−36a4

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If it take 10 hours to get 50% how many hours are 32%
love history [14]

ANSWER

6.4 hours

EXPLANATION

if it takes 10 hours to get 50%, then it will take less number of hours to get 32%

We use proportion to solve this question.

If less more divides.

The number of hours it will take to get 32% is

=  \frac{32\% \times 10}{50\%}

= 6.4

Hence it will take 6.4 hours to get 32%

8 0
4 years ago
Aspen can work 25 math problems in 12 and half minutes. How long will it take her to work 38 problems?
ikadub [295]
B)19 
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4 years ago
Carlos gets in a taxi that charges.20 per mile and initial charge of $1.00. Write an expression that Carlos could use to help hi
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Step-by-step explanation:

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3 years ago
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3 years ago
The diagnols of a rhombus are 21 and 16 centimeters long find the area of the rhombus
mr_godi [17]

Answer:

  168 cm²

Step-by-step explanation:

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The area of the rhombus is 168 cm².

8 0
3 years ago
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