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2 years ago

Need help with this paper!!

Mathematics

1 answer:

Nataly_w [17]2 years ago

7 0

Answer:

1. b

2. c

3. c

4. a

5. b

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-n+(-3)+3n+5 Combing like terms :

Karolina [17]

Answer: 2n + 2 should be your answer

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2 years ago

19√$1143.8 can anyone solve this

IrinaK [193]

Well $19\sqrt{ $1143.8} = 19\sqrt{1143.8}$

Simplified would be: 642.58213482

642.58213482 = 642.58 = $642.58

Answer: 642.58

Hope this helps!

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3 years ago

The sum of 3 and a number is less than 5 times the number plus 2.

Leno4ka [110]

Answer:

3+x<5x+2

Step-by-step explanation:

the sum of the number 3+xis less than so 3+x<5×x+2

so final ans is 3+x<5x+2

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3 years ago

What is the slope of a line that contains the points (2,-7) and (-1, -6)

Bogdan [553]

Answer:

Slope = - 1/3

Step-by-step explanation:

Y2-Y1 / X2 - X1

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2 years ago

I don't understand this question at all please help if you do

lorasvet [3.4K]

Answer:

Answer is $\frac{4}{3}$

Step-by-step explanation:

To find the interval of x. Use our equations to equal each other.

$-x^2+2x=y,y=0$

$-x^2+2x=0\\-x(x-2)=0\\-x=0 , (x-2)=0\\x=0 ,2$

$\int\limits^2_0 {-x^2+2x} \, dx$

Integrate.

$\frac{-x^3}{3}+x^2\\(\frac{-2^3}{3}+2^2)-[\frac{-0^3}{3}+0^2]\\-\frac{8}{3} +4-0\\-\frac{8}{3}+\frac{12}{3} =4/3$

Using Desmos I have Graphs of both of the equations you have provided. The problem asks us to find the shaded region between those curves/equations.

Proof Check your interval of x.

7 0

1 year ago