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soldier1979 [14.2K]
3 years ago
14

Write two numbers that multiply to the value on top and add to the value on bottom.

Mathematics
1 answer:
vova2212 [387]3 years ago
7 0
Answer: -8 and 9
Explanation: -8 x 9 = -72 and -8 + 9 = 1
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Help!<br> Factor the expressions. <br> x2 + 6x − 40 =
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Read 2 more answers
1. Which equation should be used to find the area of the triangle below? *
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Answer:

See Explanation

Step-by-step explanation:

Required

Expression for area of triangle

This is calculated using

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Assume that:

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8 0
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Find the median of the following heights which are in inches. <br>62,72,83,61,60,70,67,68,68,68
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7 0
3 years ago
I need the answer fore both plsss
grandymaker [24]

Answer:  6i) 6a² - 2ab

               6ii) -2b³

               6iii) b³ + 7b² - 49b

<u>Step-by-step explanation:</u>

6i)   (a + b)(5a - 3b)             +    (a - 3b)(a - b)

=    5a² - 3ab + 5ab - 3b²   +    a² - ab - 3ab + 3b²

=    5a² + 2ab - 3b²             +   a² - 4ab + 3b²

= 6a² - 2ab

6ii)    (a - b)(a² + b² + ab)              -  (a + b)(a² + b² - ab)

=   a³ + ab² + a²b - ab² - a²b - b³ -  (a³ + ab² - a²b -ab² + a²b + b³)

=   a³ - b³                                      -  (a³ + b³)

=   a³ - b³                                      - a³ - b³

= -2b³

6iii) (b² - 49)(b + 7)             +     343

=     b³ + 7b² - 49b - 343    +    343

=     b³ + 7b² - 49b

You are allowed a maximum of 3 questions.

Please post #7 on a different question.

5 0
3 years ago
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