3 years ago

12 more than a number P is 17

Mathematics

1 answer:

Alenkasestr [34]3 years ago

7 0

Answer:

p=5

Step-by-step explanation:

Please give brainliest

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An exterior angle of a regular convex polygon is 40°. What is the number of sides of the polygon?

seraphim [82]

Answer:

option B

Step-by-step explanation:

Sum of interior angles of a polygon with n sides:

$= (n - 2 )\times 180$

$Therefore, Each \ interior \ angle = (\frac{n - 2}{n} )\times 180$

$Sum \ of \ one \ of \ the \ interior \ angle \ with \ its \ exterior \ angle \ is \ 180^\circ$

$[ \ because \ straight \ line \ angle = 180^\circ \ ]$

That is ,

$Exterior \ angle + Interior \ angle = 180^\circ\\\\40^ \circ + (\frac{n-2}{n}) \times 180 = 180^\circ\\\\40 n + 180n - 360 = 180n\\\\40n = 180n - 180n + 360 \\\\40n = 360 \\\\n = 9$

Sum of exterior angles of a regular polygon = 360

Given 1 exterior angle of the regular polygon is 40

Therefore ,

$n \times 40 = 360\\\\n = \frac{360}{40} \\\\n = 9$

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3 years ago

A change in velocity a. speed b. velocity c. acceleration

nata0808 [166]

Answer:

Step-by-step explanation:

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Mrs. Baker uses 7.5 cups of sugar to make 168 cookies. To the nearest hundredth, what is the unit rate in cups of sugar per cook

vodomira [7]

Answer:0.04

Step-by-step explanation:

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3 years ago

What is the volume of a square pyramid that has a base length of 5 inches and a height of 9 inches?

PtichkaEL [24]

Well since the for formula for these are b × h. We are gonna do...

5 × 9 which equals 45. So your answer is 45 cubic inches

hope this helps!

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3 years ago

The value of a dirt bike decreases by 15% each year. If you purchased this dirt bike today for $500, to the nearest dollar how m

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$425 x 0.85 = 361.25
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3 years ago