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2 years ago

Leveled Practice in 1-4, find the unit rate.

Mathematics

1 answer:

pashok25 [27]2 years ago

5 0

Answer:

13mph

Step-by-step explanation:

you must multiply both fractions by the reciprocal of 1/65 which is 65/1

(1/5 * 65/1) / (1/65 * 65/1)

(65/5) / (65/65)

13/ 1

13/1 = 13

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3 years ago

1/5x-2/3y=30 when y=15

dolphi86 [110]

Answer:

Step-by-step explanation:

Step 1: Set y to 15 and solve

$\frac{1}{5}x - \frac{2}{3}*15=30$

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Add 10 to both sides

$\frac{1}{5}x-10+10=30+10$

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5 0

2 years ago

Any suggestions or answers

Sati [7]

Answer:

$x=81\degree$

$y=99\degree$

$z=129\degree$

Step-by-step explanation:

The sum of the interior angles of a triangle is 180 degrees.

$\implies 51\degree+48\degree+x=180\degree$

$\implies 99\degree+x=180\degree$

$\implies x=180\degree-99\degree$

$\implies x=81\degree$

Use the exterior angles theorem to find y.

The exterior angle y is the sum of the two remote interior angles:

$y=51\degree+48\degree=99\degree$

The sum of angles on a straight line is 180 degrees.

$\implies z+51\degree=180\degree$

$\implies z=180\degree-51\degree$

$\implies z=129\degree$

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3 years ago