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Alex787 [66]
3 years ago
14

A reflection of the pink triangle is shown. Which transformation makes this reflection?

Mathematics
1 answer:
lapo4ka [179]3 years ago
5 0

Answer:

The answer is A on the last question.......

Step-by-step explanation:


You might be interested in
A class is selling magazines as a fund raiser. Of the 500 magazines sold, Allie sold 1/7of them. Gary sold 0.085 of the magazine
jarptica [38.1K]
Allie sold about 71 magazines.
Gary sold about 43.
Rob sold about 45.
Felisha sold about 93.
Felisha sold the most magazines.

Elaboration:
Since Allie sold 1/7 of the 500 magazines, you must find 1/7 of 500. To do this, multiply 500 by the numerator, which is 1. Now you have \frac{500}{7}, which is the same thing as dividing 500 by 7, which is around 71.

Since Gary sold 0.085 of the magazines, you multiply this decimal by that same 500, getting about 43.

Since Rob sold 9/100 of the magazines, you once again multiply 500 by the numerator, coming out with 4,500. Then you replace the 9 with that number, so you have \frac{4,500}{100}, which is also the same thing as Allie's in the fact that you're dividing 4,500 by 100, which is 45. Therefore, Rob sold 43 magazines.

Since Felisha sold 0.185 of the magazines, you follow the same procedure as with Gary - multiply the decimal by 500, getting 93.

Hope this helps! Live long and prosper, my friend. :)
4 0
3 years ago
Someone help me with the steps please
Vesna [10]

Answer:

Let u=3x^2-3x

Solution: \frac{1}{6} \sqrt{3x^2-3x}+C

Step-by-step explanation:

See attached for step-by-step

8 0
3 years ago
A 30 foot ladder needs to reach 18 feet high against a building. What would the approximate angle of elevation be from the groun
yaroslaw [1]

Answer: The angle of elevation would be 36.87 degrees (approximately)

Step-by-step explanation: Please refer to the attached diagram for details

The 30-foot ladder reaches a point in the building which is point A. The height at which the ladder touches the building is 18 feet (that is, the height of the building, line AC. The angle of elevation from the ground is at angle B, the angle which the ladder forms with the ground.

So we have a right angled triangle ABC, with two sides and a reference angle B. To find angle B, we shall apply the trigonometric ratio;

SinB = opposite/hypotenuse

SinB = 18/30

SinB = 0.6

By use of a calculator or table of values

B = 36.8698

Approximately, angle B = 36.87 degrees

4 0
3 years ago
During their summer break from school. Hortencia and Alex decide to paint houses to earn money. Hortencia charges a flat rate of
PIT_PIT [208]

Answer:

The answer to your question is: 20 hours.

Step-by-step explanation:

Data

Hortencia = $350

Alex $18 / h

# hours Alex must paint to make more money than Hortencia = ?

Process

Equation                      18 x n > 350

                                     n > 350 / 18

                                     n > 19.4 hours

If Alex work 19.4 hours, he will make the same amount of money than Hortencia, then He needs to work 20 hours.

4 0
3 years ago
2. through: (8,5), perpendicular to y=-1/2x +4
SCORPION-xisa [38]
Perpendicular slope: flip sign and reciprocal = 2
Y = 2x + b
Plug in point (8,5)
5 = 2(8) + b
5 = 16 + b
b = -11
Equation: y= 2x - 11
7 0
3 years ago
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