3 years ago

Please help I have no clue how to do this

Mathematics

1 answer:

REY [17]3 years ago

3 0

answer:-2/-4

hope its right and help u

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Hi, can someone help me on these 2 as quick as possible please, ty!!

Advocard [28]

1. a) true

1. b) false

1. c) false

1. d) true

2. Sasha could have done a reflection where x = 1 to have done only one transformation.

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4 years ago

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The length of a rectangular garden is 7x + 3 feet. The width of the garden is 6x – 3 feet. Which expression represents the area

iren [92.7K]

Answer:

42x² - 3x - 9

the area of the garden is:

(7x + 3)(6x - 3)

= 42x² - 21x + 18x - 9

= 42x² - 3x - 9

4 0

3 years ago

A sequence is defined recursively by f(1)=16 and f(n)=f(n-1)+2n. Find f(4) 1) 32 2) 30 3) 28 4) 34

ella [17]

$f(1)=16 \ \ \ and \ \ \ \ f(n)=f(n-1)+2n \\ \\f(2)=f(1)+2\cdot2=16+4=20\\ \\f(3)=f(2)+2\cdot3=20+6=26\\ \\f(4)=f(3)+2\cdot4 =26+8=34$

$Ans.\ 4)$

5 0

3 years ago

WidgCo is a company that produces and sells widgets. Let p denote the price per widget (measured in dollars), and let x be the m

Alecsey [184]

Answer:

The answer to this question can be defined as follows:

i) $\bold{p(x)= -5x^2+ 217x- 1,401} \\$

ii) x=22 units

iii) Maximum profit: 953.45

Step-by-step explanation:

Given value:

p(x) = 211 − 5x \\

C(x) = 1,401 + 16x

The formula for calculating the profit function value:

$\to \bold{P(x)= xp(x) - C(x)}$

$= x(211-5x)- 1,401 + 16x\\\\= 211x -5x^2-1,401+16x\\\\= -5x^2+ 217x- 1,401 \\$

The formula for calculating the value for maximum profit:

$p'(x) = - 10x + 217 =0$

$217= 10x\\\\x= \frac{217}{10}\\\\x= 21.7$

So, the production level is 22 units

Maximum profit:

$\to p(21.7)= - 5 (21.7)^2+217 (21.7) -1,401\\\\$

$=-5 (470.89) +217 (21.7) -1,401\\\\=-2354.45+ 4708.9-1,401\\\\= 953.45$

7 0

3 years ago

What is 0.5 to the third power

Alik [6]

0.5^3
= (1/2)^3
= (1^3)/(2^3)
= 1/8

The final answer is 1/8~

7 0

3 years ago