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REY [17]
3 years ago
13

A triangle is rotated 90° about the origin. Which rule describes the transformation?

Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0

Answer:

second option

Step-by-step explanation:

Under a rotation about the origin of 90°

a point (x, y ) → (- y, x )

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Find the value of x in the below complementary angle 3x(5x+2)​
Natali [406]

Answer:

The value of x is 11

Step-by-step explanation:

<em>Two angles are complementary if the sum of their measures is 90°</em>

Let us use this rule to solve our question

∵ The angle of measure (3x)° and the angle of measure (5x + 2)°

   are complementary angles

→ That means their sum equals 90°

∴ 3x + 5x + 2 = 90

→ Add the like terms in the left side

∵ (3x + 5x) + 2 = 90

∴ 8x + 2 = 90

→ Subtract 2 from both sides to move 2 from the left side to the right side

∵ 8x + 2 - 2 = 90 - 2

∴ 8x = 88

→ Divide both sides by 8 to find x

∵ 8x/8 = 88/8

∴ x = 11

∴ The value of x is 11

7 0
3 years ago
A runner jogged 4 miles in ten laps around a circular
dybincka [34]

Answer:

.1273 mi = 627.2 feet

c = 2\pir

.4 = 2\pir

r = \frac{.4}{2\pi }

r = \frac{.2}{\pi }

d = \frac{.4}{\pi }

d = .1273 mi = 627.2 feet

Step-by-step explanation:

4 0
2 years ago
Laya has 8(3/4) packing peanuts. Each whole bag of packing peanuts weights 7(4/5) pounds. What Is the total weight of the paking
Korolek [52]

8  ( \frac{3}{4} ) \times 7( \frac{4}{5} ) = 33.6
5 0
3 years ago
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If tax is 8.75%, and the bill total is $97.50, how much tax will be added to the bill? How much will the total bill be?
faltersainse [42]
97.50 / 8.75 is 5.40 so yeah thats the awnser and stuff
4 0
3 years ago
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The sum of 4 consecutive integers is 434. What is the 4 integers?
gavmur [86]
Answer: 107, 108, 109 & 110

Explaination: Divide 434 by 4.

I hope this has helped! Brainliest if you will :)
3 0
3 years ago
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