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3 years ago

You walk 3/8 miles to a music store. Then you walk another 1/3 miles to a clothing store. How many miles have you walked in all?

Mathematics

2 answers:

Rudik [331]3 years ago

6 0

Answer:

You have walked $\frac{17}{24}$ miles

Step-by-step explanation:

In order to add these two fractions, we must find a common denominator. In this case, I used 24

$\frac{3}{8} +\frac{1}{3} \\\\\frac{9}{24} +\frac{8}{24} =\frac{17}{24}$

Bess [88]3 years ago

6 0

Answer:

3/8 + 1/3 = 9/24 + 8/24 = 17/24

Step-by-step explanation:

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The coefficient of a² in 5 a² + 8 ab is (im asking something normal this time lol)

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Answer:

Step-by-step explanation:

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3 years ago

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alukav5142 [94]

Answer:

12 2/5 hours

Step-by-step explanation:

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4 years ago

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3 years ago

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R (-3,1) and S (-1,3) are points on a circle. If RS is a diameter, find the equation of the circle.

ELEN [110]

Answer:

$\sf (x+2)^2+(y-2)^2=2$

Step-by-step explanation:

If RS is the diameter of the circle, then the midpoint of RS will be the center of the circle.

$\sf midpoint=\left(\dfrac{x_s-x_r}{2}+x_r,\dfrac{y_s-y_r}{2}+y_r \right)$

$\sf =\left(\dfrac{-1-(-3)}{2}+(-3),\dfrac{3-1}{2}+1 \right)$

$\sf =(-2, 2)$

Equation of a circle: $\sf (x-h)^2+(y-k)^2=r^2$

(where (h, k) is the center and r is the radius)

Substituting found center (-2, 2) into the equation of a circle:

$\sf \implies (x-(-2))^2+(y-2)^2=r^2$

$\sf \implies (x+2)^2+(y-2)^2=r^2$

To find $\sf r^2$ , simply substitute one of the points into the equation and solve:

$\sf \implies (-3+2)^2+(1-2)^2=r^2$

$\sf \implies 1+1=r^2$

$\sf \implies r^2=2$

Therefore, the equation of the circle is:

$\sf (x+2)^2+(y-2)^2=2$

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3 years ago

A number is equal to twice a smaller number plus 3. The same number is equal to twice the sum of the smaller number and 1. How m

erma4kov [3.2K]

There are no solutions for this situation. =)

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3 years ago

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