How do you write 0.4716 as a percentage?

Mathematics

1 answer:

wolverine [178]2 years ago

8 0

Answer:

2.9375% Rounded or 2.94% not rounded

Step-by-step explanation:

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A pair of shoes is on sale for 30 off the origanal price is p

vova2212 [387]

Answer:

Step-by-step explanation:

70p

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2 years ago

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A circle passes through points A(7,4), B(10,6), C(12,3). Show that AC must be the diameter of the circle.

Artist 52 [7]

so we have three points, A, B and C, if indeed AC is the diameter of the circle, then half the distance of AC is its radius, and the midpoint of AC is the center of the circle, morever, since B is also on the circle, the distance from B to the center must be the same radius distance.

in short, half the distance of AC must be equals to the distance of B to the midpoint of AC, if indeed AC is the diameter.

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{7}~,~\stackrel{y_1}{4})\qquad C(\stackrel{x_2}{12}~,~\stackrel{y_2}{3}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{12+7}{2}~~,~~\cfrac{3+4}{2} \right)\implies \left( \cfrac{19}{2}~~,~~\cfrac{7}{2} \right)=M\impliedby \textit{center of the circle}$

now, let's check the distance from say A to the center, and check the distance of B to the center, if it's indeed the center, they'll be the same and thus AC its diameter.

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{7}~,~\stackrel{y_1}{4})\qquad M(\stackrel{x_2}{\frac{19}{2}}~,~\stackrel{y_2}{\frac{7}{2}})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ AM=\sqrt{\left( \frac{19}{2}-7 \right)^2+\left( \frac{7}{2}-4 \right)^2} \\\\\\ AM=\sqrt{\left( \frac{5}{2}\right)^2+\left( -\frac{1}{2} \right)^2}\implies \boxed{AM\approx 2.549509756796392} \\\\[-0.35em] ~\dotfill$

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{10}~,~\stackrel{y_1}{6})\qquad M(\stackrel{x_2}{\frac{19}{2}}~,~\stackrel{y_2}{\frac{7}{2}}) \\\\\\ BM=\sqrt{\left( \frac{19}{2}-10 \right)^2+\left( \frac{7}{2}-6 \right)^2} \\\\\\ BM=\sqrt{\left( -\frac{1}{2}\right)^2+\left( -\frac{5}{2} \right)^2}\implies \boxed{BM\approx 2.549509756796392}$

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2 years ago

What is the qoutient of -18÷ (-1 over 6) ?

topjm [15]

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When you divide a negative integer by a negative, it becomes a positive. Also, when you have a problem like this...-18/-1/6, you switch the -1 and 6, leaving us -18/-6, but also, in the process of flipping the two numbers, we change to -18*-6. Henceforth...-18/(-1/6)=-18*-6=108.

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3 years ago

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You save 15 a week. How much will you have saved after w weeks? Answer construct a verbal model

liraira [26]

Answer:

With every week you save, 15 more dollars are added into your savings.

Step-by-step explanation:

$\left[\begin{array}{ccc}15(1)=15&15(2)=30&15(3)=45\\15(4)=60&15(5)=75&15(6)=90\\15(7)=105&15(8)=120&15(9)=135\end{array}\right]$