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2 years ago

Help help help help please

Mathematics

1 answer:

gayaneshka [121]2 years ago

5 0

Answer:

44 ice cream scoops

Step-by-step explanation:

if wrong will give point back and mark brainlyest

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A plane leaves at 11:22 AM and arrives at 3:13 PM how long was the flight

Fantom [35]

Answer:

3 hours and 51 minutes

Step-by-step explanation:

Hope this helps!!

7 0

2 years ago

Find a polynomial function of degree 3 with 2, i, -i as zeros.

sergiy2304 [10]

Answer:

$p(x)= x^3-2x^2+x-2$

Step-by-step explanation:

Here we are given that a polynomial has zeros as 2 , i and -i . We need to find out the cubic polynomial . In general we know that if $\alpha , \ \beta \ \& \ \gamma$ are the zeros of the cubic polynomial , then ,

$\sf \longrightarrow p(x)= (x -\alpha )(x-\beta)(x-\gamma)$

Here in place of the Greek letters , substitute 2,i and -i , we get ,

$\sf\longrightarrow p(x)= (x -2 )(x-i)(x+i)$

Now multiply (x-i) and (x+i ) using the identity (a+b)(a-b)=a² - b² , we have ,

$\sf \longrightarrow p(x)= (x-2)\{ x^2 - (i)^2\}$

Simplify using i = √-1 ,

$\sf \longrightarrow p(x)= (x-2)( x^2 + 1 )$

Multiply by distribution ,

$\sf \longrightarrow p(x)= x(x^2+1) -2(x^2+1)$

Simplify by opening the brackets ,

$\sf\longrightarrow p(x)= x^3+x-2x^2-2$

Rearrange ,

$\sf\longrightarrow \underline{\boxed{\blue{\sf p(x)= x^3-2x^2+x-2}}}$

4 0

2 years ago

LOTS OF POINTS!! 1ST GRADE QUESTION!! MY CALCULATOR ISNT WORKING!!!

MArishka [77]

Answer:

No, √3 is not rational. If you need more of an explanation let me know

6 0

3 years ago

Read 2 more answers

2. Hanna is making some delicious Tollhouse chocolate chip cookies. She wants to

loris [4]

Answer:

ano yung sasagotan Gan?

6 0

2 years ago

If the profits in your consulting business increase by 5% one year and decrease by 3% the following year, your profits are up

Leona [35]

Let the original profits be $x. 5% increase in profits will give us:
105/100×x=$1.05x
3% reduction in new profits ill give us the latest amount to be:
97/100×1.05x
=$1.0185x
comparing our new profits to our original amount of $x we shall have new percentage increase to be:
(1.0185x-x)/x×100
=1.85%
Thus our final increase 1.85%

6 0

2 years ago