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VMariaS [17]
3 years ago
5

Please help me in this work, too.... PLease..... SOrry for the waste... :(

Mathematics
2 answers:
zmey [24]3 years ago
8 0

Answer:

your answer is C

Step-by-step explanation:

I solved this quick enough bc the y Intercept is 5 and the only answer that has that is C. you can also solve this by graphing every equation shown until you find which equation has a similar graph. also don't feel sorry. this is a place for us all to learn :)

ankoles [38]3 years ago
3 0

Answer:

y=x+5

Step-by-step explanation:

it is not a proportional relationship and it starts at 5 and the slope is 1 so just x

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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
How many congruent sides are on a Right Isosceles Triangle?​
disa [49]

Answer:

I think it's 2.

3 0
3 years ago
What’s the correct answer for this question?
Maurinko [17]

Answer:

B

Step-by-step explanation:

I put the answer in an atachement

3 0
3 years ago
Read 2 more answers
Brett is hosting a party for 16 guests,including himself.Brett orders 2 meatball,1 turkey,1 veggie party-size sandwiches. Each s
schepotkina [342]

Answer:

Step-by-step explanation:

Given:

Brett orders 2 meatball,1 turkey,1 veggie party-size sandwiches.

Each sandwich costs the same amount.

The total amount cost of the sandwiches, including tax, is $54.36.

Question asked:

What is the cost of each sandwich including tax?

Solution:

Let cost of each sandwich including tax = x

<u>Total number of sandwich = 2 + 1+ 1 = 4</u>

<u><em>As each sandwich costs the same amount and total amount of cost of 4  sandwiches, including tax, is $54.36, the equation will be:-</em></u>

x+x+x+x=\$54.36\\4x=\$54.36

By dividing both sides by 4,

x=\$13.59

Thus, the cost of each sandwich including tax is $13.59

6 0
3 years ago
the perimeter of a rectangle is 50 inches the length l is twice the width w. what is the area of the rectangle?? ❗️show work❗️
mr Goodwill [35]
Hey. Let me help you on this one.

In order for us to solve this problem, we will need to set up an equation which we can solve later. I will also be attaching an image with the work shown in case you don't understand my explanation. Make sure to read over it since it will help you with your studies.

We know that the length is twice the width, meaning that a=2b, with "a" standing for length, and "b" standing for width. Now that we have formed an equation for length, we can actually form an equation for perimeter.

P=2(2b)+2b

Let's simplify the equation so it's easier and less confusing for us to solve it.

50=6b

Let's divide 6 from both sides, thus eliminating all variables except for b on the right side.

8.3=b

"3" in 8.3 is repeating. This is very important to remember. Now, we know the width of the triangle. Let's find the length of the triangle so we can then multiply both numbers together and find the area.

a=8.3*2
a=16.6

"6" in 16.6 is repeating as well. It's crucial to remember as well. We know the values now, meaning that we can find the area of the rectangle.

S=16.6*8.3
S=138.8

Answer: Area of the rectangle is 138.8 (with 8 repeating). 



4 0
3 years ago
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