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LekaFEV [45]
3 years ago
13

Please help! ASAP, no bots

Mathematics
1 answer:
iren2701 [21]3 years ago
3 0
Answer: 2x^2 - 18

BTW: the "•" stands for multiply! and the explanations say what you have to do to get there not the next step.

Steps:
(x-3)(2x+6) Set up for solving
x•2x + 6x - 3•2x - 3•6 Use Foil to multiply
2x^2 + 6x - 6x -18 Calculate the product
2x^2 - 18
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NEED HELP ASAP: Let ​ f(x)=x2−6x+13 ​ . What is the vertex form of f(x)? What is the minimum value of f(x)? Enter your answers i
Svetach [21]
The vertex form of  f(x)=ax^2+bx+c
f(x)=a(x-h)^2+k

where: h=\dfrac{-b}{2a};\ k=f(h)

We have:  f(x)=x^2-6x+13\to a=1;\ b=-6;\ c=13

substitute:
h=\dfrac{-(-6)}{2\cdot1}=\dfrac{6}{2}=3\\\\k=f(3)=3^2-6\cdot3+13=9-18+13=4
The vertex form of f(x):
f(x)=(x-3)^2+4
The value of minimum is equal k.
Therefore:  y_{min}=4



5 0
4 years ago
Read 2 more answers
Find the value of x to the nearest tenth.<br>11.0<br>12.9<br>-10.0<br>-6.3​
Karolina [17]

Answer:

I can't see problem but I'm say b it's wild guess

3 0
3 years ago
Read 2 more answers
PLEASE HELP IM CONFUSED!!
Ronch [10]

Answer:

31/6 or 5 1/6

Step-by-step explanation:

First, turn 1.5 into a fraction as “fraction answer” means it wants a answer in the form of a fraction.

1.5 as a fraction is 1 1/2

So the equation is:

2 1/3 - 1 1/2

Now, turn the mixed fractions into improper fractions.

2 1/3 becomes 7/3 and 1 1/2 becomes 3/2

Now the equation is

7/3 - 3/2

To subtract fractions you must make the denominator (bottom number) the same number by finding the lowest common multiple.

3 and 2’s Lowest common multiple is 6.

When making the denominator 6 you also multiply the numerator.

3 x 2 = 6 and 7 x 2 = 14

So the first fraction is now: 14/6

Now:

2 x 3 = 6 and 3 x 3 = 9.

The other fraction is now 9/6

Now:

14/6 - 9/ = 5/6

Now:

6 - 5/6

Now turn 6 into a fraction.

6/1 - 5/6

Now turn the 6/1’s denominator into 6

6 x 6 = 36; 1 x 6 = 6

36/6 - 5/6 = 31/6

The answer is 31/6!

8 0
3 years ago
Complete a one-paragraph summary of the information provided in the video. Your summary should include information on the coordi
12345 [234]

Answer:

please link video. There are literally billions of videos on the internet. Please link.

Step-by-step explanation:

6 0
2 years ago
What is the answer of 3x+235+237
ad-work [718]

Answer:

3x + 472

Step-by-step explanation:

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3 years ago
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