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3 years ago

Where is the vertex of the graph of y= -x^2+6x+5 located?

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

7 0

Answer: I am pretty sure the answer is (3,14)

Phoenix [80]3 years ago

3 0

Answer:

The vertex of the graph is located at (3, 14).

Step-by-step explanation:

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The mean cost for each item in his bag was $3.05. He bought a total of 8 items, and the prices of 7 of those items are listed be

Anna007 [38]

You know the mean cost is calculated from ...

... (mean cost) = (total cost)/(number of items)

You are given the mean cost and the number of items, so you can find the total cost for the 8 items as ...

... (mean cost)×(number of items) = (total cost)

... 8 × $3.05 = (total cost) = $24.40

You are given the costs of 7 of the items so ...

... (total cost) = (8th item cost) + (total cost of 7 items)

Then we can find the (8th item cost) as ...

... (8th item cost) = (total cost) - (total cost of 7 items)

Adding up the given cost of the 7 items, we get ...

... (total cost of 7 items) = $20.57

... (8th item cost) = $24.40 -20.57 = $3.83

The price of the 8th item in the bag was $3.83.

5 0

4 years ago

Which of the following equations is in equation formed when completing the square on y^2 - 12 y= -27

bogdanovich [222]

Answer:

$(y-6)^2=9$

Step-by-step explanation:

Given

$y^2 - 12y = -27$

Required

Get equivalent expression using completing the square

Follow these steps:

Take the coefficient of y; That is -12

Divide it by 2; That is (-12/2)

Square it: (-12/2)^2

Add to both sides of the equation

$y^2 - 12y + (\frac{-12}{2})^2= -27 + (\frac{-12}{2})^2$

$y^2 - 12y + (-6)^2= -27 + (-6)^2$

$y^2 - 12y + 36= -27 + 36$

$y^2 - 12y + 36= 9$

Expand the right-hand side

$y^2 - 6y - 6y + 36= 9$

Factorize:

$y(y-6)-6(y-6) =9$

$(y-6)(y-6)=9$

$(y-6)^2=9$

5 0

3 years ago

If the tax on a $25 shirt is 10%, what would the final cost be?

tankabanditka [31]

Answer: $27.5

Step-by-step explanation:

10 percent of 25 is 2.5 (which is the tax). We just add that to the cost of the shirt and we get the final cost of $27.5.

8 0

2 years ago

Solve the question below

zloy xaker [14]

Answer:

name as AB =CD

angle A=angle D

BC=BC

hence angle ABC is congruent to angle BCD

(by sas congruency)

hence proved

6 0

3 years ago

Need help please ASAP

chubhunter [2.5K]

Answer:

alright give us a second

3 0

3 years ago