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Charra [1.4K]
3 years ago
15

At first,Ben had $90 and Chandra had $48 .each bought a shirt at the same price.the amounts of money Ben and chandra had left we

re in the ratio 4:1 .how much did the shirt cost?
Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0
90-48 = 42
3 units = 42
1 unit = 14
48-14=34
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Which is the standard form of the equation of the parabola that has a vertex of (3, 1) and a directric of x = -2?
vagabundo [1.1K]
Check the picture below.  So,the parabola looks like so, notice the distance "p". since the parabola is opening to the right, then "p" is positive, thus is 5.

\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
\boxed{(y-{{ k}})^2=4{{ p}}(x-{{ h}})} \\\\
(x-{{ h}})^2=4{{ p}}(y-{{ k}}) \\
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
{{ p}}=\textit{distance from vertex to }\\
\qquad \textit{ focus or directrix}
\end{array}\\\\

\bf -------------------------------\\\\
\begin{cases}
h=3\\
k=1\\
p=5
\end{cases}\implies (y-1)^2=4(5)(x-3)\implies (y-1)^2=20(x-3)
\\\\\\
\cfrac{1}{20}(y-1)^2=x-3\implies \boxed{\cfrac{1}{20}(y-1)^2+3=x}

8 0
3 years ago
Read 2 more answers
Which equation is equivalent to x^2 +24-8=0?
Kipish [7]

Answer:

D) is your correct answer

6 0
3 years ago
Y=y = 2x -4 when x= 2
Dominik [7]
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7 0
2 years ago
Any help is appreciated, check the picture above for the question.​
Aleksandr-060686 [28]

Answer:

y + 5 > -2 i.e. option 4.

Step-by-step explanation:

An inequality is shown in the number line by an arrow and we have to identify the inequality from the options given.

It is clear from the given figure that the y variable is plotted and its value is greater than - 7 but not including - 7.

Therefore, option 4 which gives the inequality y + 5 > -2 will be the correct answer.

As it gives y > - 2 - 5 i.e. y > - 7 (Answer)

8 0
3 years ago
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Ymorist [56]
X + 11 = 57 
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6 0
3 years ago
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