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maxonik [38]
2 years ago
14

Which graph corresponds with the equation

%7B2%7D%20%2B2" id="TexFormula1" title="f(x)=\frac{1}{2 } (x+1)^{2} +2" alt="f(x)=\frac{1}{2 } (x+1)^{2} +2" align="absmiddle" class="latex-formula">

Mathematics
1 answer:
JulijaS [17]2 years ago
5 0

\qquad\qquad\huge\underline{{\sf Answer}}

The given equation is a Quadratic equation, so it's graph must be a parabola, and the Coefficient of x² is positive that means the parabola must have an opening upward.

And 2 is added to the ideal equation, so the parabola must have shift 2 units up from x - axis.

From the above information, we can easily conclude that the Correct representation is done in graph 4

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A bank's loan officer rates applicants using their FICO credit score. The ratings are normally distributed with a mean of 711 an
tekilochka [14]

Answer:

The answer is "778"

Step-by-step explanation:

Given value:

\to \mu= 711\\\\\to \sigma= 80\\\\\to P(Z >0.84) = 0.20\\\\\to z = 0.84

The formula for z-score:

\to x = z \times  \sigma + \mu \\\\\to x = 0.84 \times 80 + 711 \\\\ \to x=67.2 +711\\\\ \to x=  778.2\\\\ \to x= 778

6 0
3 years ago
Hey can you please help me posted picture of question
Ipatiy [6.2K]
Vertex: V=(-2,-3)=(h,k)→h=-2, k=-3
The parabola is horizontal, then its equation has the form:
x=a(y-k)^2+h
x=a(y-(-3))^2+(-2)
x=a(y+3)^2-2

When the y-value is -2, the x-value is -5:
-5=a(-2+3)^2-2
-5=a(1)^2-2
-5=a(1)-2
-5=a-2
-5+2=a-2+2
-3=a
a=-3

Answer: The coefficient of the squared term in the parabola's equation is a=-3

Answer: Option D. -3
8 0
4 years ago
A line contains the points (-9,-7) and (13,-19). Find the x-value of the x-intercept.
Karolina [17]

Answer:

x = -21.83 or (-21.83, 0)

Step-by-step explanation:

Use the given points to find the slope of the line.

m=\frac{y2 - y1}{x2 - x1}

(-9, -7) (13, -19)

m=\frac{-19-(-7)}{13 - (-9)} = \frac{-12}{22} = -\frac{6}{11}

Use the slope and one of the given points to solve the point-slope formula

y - y=m(x-x)

y-(-7)=-\frac{6}{11} (x-(-9))

y+7=-\frac{6}{11} x-\frac{54}{11}

y=-\frac{6}{11} x-\frac{131}{11}

Since you are looking for the x-intercept, set y=0 and solve for x

0=-\frac{6}{11}x - \frac{131}{11}

\frac{131}{11} =-\frac{6}{11} x

-21.83 = x

8 0
3 years ago
A purse contains $2.45 in dimes and quarter. There are two more than twice as many dimes as quarters.How many of each coin on th
lozanna [386]

Answer:

5 quarters 12 dimes

Step-by-step explanation:

The quarters have to be a odd number or you wouldn't have the 5 at the end of the number. Because there are "two more then twice as many" dimes then quarters the number of quarters has to stay down. 3 to 5 is a good guess to start. from there you can add up the dimes until it all fits together

6 0
4 years ago
Can someone help me with this?
Ksju [112]

Answer:

56

Step-by-step explanation:

complementary angles are complement each other to 90

90-34=56

5 0
3 years ago
Read 2 more answers
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