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Schach [20]
3 years ago
7

Which of the following graphs is a polynomial function with x-intercepts (-2,0) (1,0) (4,0)

Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

the line passes through positive 4 x intercept

Step-by-step explanation

Vitek1552 [10]3 years ago
5 0
(4,0) because it remains in the x axis
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3. A person standing 3 feet away from the base of a lamp post casts a shadow 4 feet long. If the person is 6 feet tall and walks
german

Answer:

533.33 ft/min

Step-by-step explanation:

We are given that

x=3 feet

y=4 feet

Height of person,h=6 feet

\frac{dx}{dt}=400 ft/min

Triangle ABC and A'B'C are similar because all right triangles are similar

By using similarity property

\frac{h'}{6}=\frac{7}{4}

h'=10.5 feet

x+y=3+4=7 feet

\frac{h'}{6}=\frac{x+y}{y}

\frac{10.5}{6}=\frac{x+y}{y}

10.5y=6x+6y

10.5y-6y=6x

4.5y=6x

Differentiate w.r.t t

4.5\frac{dy}{dt}=6\frac{dx}{dt}

\frac{dy}{dt}=\frac{6\times 400}{4.5}ft/min

\frac{dy}{dt}=533.33ft/min

Hence, If the person is 6 feet tall and walks away from the lamp post at a speed of 400 feet per minute then his shadow moving at the rate 533.33 ft/min

7 0
3 years ago
Bowser bought mushrooms
Arturiano [62]
I’m pretty sure it’s $3.60. since the price for one pound it 72 cents
8 0
4 years ago
solve 5x^2-7x+2=0 completing the square. what is the constant added on to form the perfect square trinomial
kenny6666 [7]
Best to factor 5 out of the first 2 terms:

5x^2-7x+2=0  =>  <span>5(x^2 - [7/5]x)                          +2=0

Take half of [-7/5]:  That'd be -7/10.

Square 7/10, add it to  </span>5(x^2 - [7/5]x)                          +2=0  and then subtract it:


5(x^2 - [7/5]x)+ 49/100       -  49/100       )                  +2=0

Then we have   5(x- [7/10] )^2 - 49/100 ) + 200/100 = 0

                          5(x-7/5)^2  - 245/100 + 200/100 = 0
                           5(x-7/5)^2 - 45/100 = 0
Dividing all terms by 5,  x-7/5 = plus or minus sqrt( 9/100 )
                                       x-7/5 = plus or minus 3/10

Then one root is x = 7/5 + 3/10, or  x= 17/10  (answer #1)

The other is        x = 7/5 - 3/10, or x = 14/10 - 3/10, or x = 7/10  (answer #2) 
3 0
3 years ago
What do you think is the best anime show?
Ulleksa [173]

Answer:

My hero academia

Step-by-step explanation:

Black butler,attack on titan

3 0
3 years ago
Read 2 more answers
The answer to the question
Yuri [45]

The required equation of line parallel to given line is:y = \frac{5}{6}x-8

Step-by-step explanation:

Given equation of line is:

y = \frac{5}{6}x+1

As the equation of line is in slope-intercept form, the co-efficient of x s the slope

Let m1 be the slope of given line

m1= 5/6

Let m2 be the slope of new line

As the slopes of two parllel lines are equal, so

m1 = m2

m2 = 5/6

The slope intercept form is:

y= m_2x+b

Put m2 = 5/6 in equation

y = \frac{5}{6}x+b

Putting the point in the equation

2 = \frac{5}{6}(12)+b\\2=10+b\\b = 2-10\\b = -8

Putting the value of b, we get

y = \frac{5}{6}x-8

Hence,

The required equation of line parallel to given line is:y = \frac{5}{6}x-8

Keywords: Slope intercept form, equation of line

Learn more about equation of line at:

  • brainly.com/question/1493255
  • brainly.com/question/1491432

#LearnwithBrainly

4 0
3 years ago
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