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weqwewe [10]
4 years ago
8

Expand. Your answer should be a polynomial in standard form. (2 + 1) (2 + 8) =

Mathematics
1 answer:
Mama L [17]4 years ago
5 0

Answer:

30

Step-by-step explanation:

(2 + 1) (2 + 8)

Add the terms in the brackets first.

(3) (10)

Multiply both terms.

= 30

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Pls help its my last question?!?!
OlgaM077 [116]

Answer:

x = -11

m<B = -43

m<C = -22

Step-by-step explanation:

To solve for <em>x</em>, solve (3x-10) + (2x) + 65 to get 5x+55. Simplify to 5x = -55. This can simplify further to x = -11. Insert -11 as x into the angles.

I hope this is correct and helps!

6 0
3 years ago
Whats the answer for substitution x=9 y=3x-1
Blizzard [7]

Answer:

x=9, y=26. (9, 26).

Step-by-step explanation:

x=9

y=3x-1

--------

y=3(9)-1=27-1=26

8 0
3 years ago
Read 2 more answers
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Hitman42 [59]

Answer:

fifteen center misters hourly snowfall per hour

Step-by-step explanation:

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3 0
2 years ago
What is the cross section of a rectangular prism sliced at an angle ​
Setler79 [48]

Answer:

its a 90 degree angle

Step-by-step explanation:

7 0
4 years ago
Find the maximum profit and the number of units that must be produced and sold in order to yield the maximum profit. Assume that
vivado [14]
The Profit = Revenue - CostP ( x ) = ( 40 x - 0.5 x² ) - ( 5 x + 15 ) = = 40 x - 0.5 x² - 5 x - 15 = - 0.5 x² + 35 x - 15The maximum profit is when: P`( x ) = 0P ` ( x ) = ( - 0.5 x² + 35 x - 15 ) ` = - x + 35- x + 35 = 0x = 35 ( the number of units )P max = - 0.5 · 35² + 35 · 35 - 15 = - 612.5 + 1225 - 15 = 597.5Answer: The maximum profit is 597.5 and the number of units is 35.

7 0
3 years ago
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