MATHEMATICS MIDDLE SCHOOL

What type of transformation would
change (-6,3) into (6,3)?

Answers

Answer 1
Answer:

Answer:

A reflexion across the y-axis

point (x , y) reflected across the y-axis is point (-x , y)
Answer 2
Answer:

Answer:

Reflection

Step-by-step explanation:

From the coordinates, the x variable changes its sign without having to change its y variable. So translation is impossible here.

Rotation would also be impossible to achieve this since it the coordinates would switch.

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75 students decreased by 80%

Answers

80%= .80of means timesdecrease means to subtract75 x ,80= 60 students lost75-60= 15 students lefthope this helps

Answer:

15

Step-by-step explanation:

I got that for my test

If an average 7th grade student weighs 91 pounds and Hugo the Elephant weighs 18,130 pounds, about how many average 7th grade students would be needed to equal the weight of Hugo?

Answers

Divide 18,130 by 91 and you get 199.23 so it is 199 students. 
The elephant weighs 18,130, and we want to see how many seventh graders weighing 91 pounds it will take to equal the weight of the elephant.

To find our answer, we divide 18,130 by 91.

18,130÷91 = 199.2307

Since you said about how many average 7th grade students, it means you only need an estimate, not an exact number.

The final answer is 199 average seventh-grade students.

Have a wonderful day! :D

Use the graph of y=f(x) to graph the given function.

Answers

Answer:

See attached image

Step-by-step explanation:

Notice that the transformation from f(x) to f(-x) involves a reflection around the y axis.

Therefore we should draw a similar semicircle starting at (0,0) and ending at (4,0) and with radius 2 as seen in the attached image.

If r(x) = 3x - 1 and s(x) = 2x , which expression is equivalent to (r/s) (6)

Answers

Step-by-step explanation:

(r/s)(x)=3x-1

2x

(r/s)(6)=18-1/12

=17/12

The ratio of damaged to undamaged toys was 3/17. If there were a total of 200 toys, how manywere undamaged?

Answers

Answer:

What I would do is find how many undamaged toys per 1 toy and then times that by 200.

Step-by-step explanation:
okay, so basically it’s the ratio of damaged to undamaged toys. which means that damaged is ‘3’ and undamaged is ‘17’. what i would do, is that i would:

17+3=20

200/20=10

so, ‘1’ refers to 10 toys. therefore we multiply the amount of undamaged toys by 10 which would get u the answer

10x17=170

which, equals to 170 undamaged toys.

i hope this helped u :)

6) You have a bag of candy. You eat half of the candy after lunch and a quarterof what you have left after dinner. Now you have 3 pieces left. How many
candies did you start with?

Answers

Answer:

you started with 6 candies

Step-by-step explanation:

find the sum if 1/2 and 1/4 of the remaining half

1/2+1/4=3/4

therefore 3/4 of the candies has been eaten remaining 1/4 of the candies.

total fractions of candies =1

if 1/4 : 3

then 1: ?

if more, less divides

1÷1/4×3

1×4/1×3

12

there fore the total candies are 12 and since the question asked his much you started with, and you know you started with half of the total, find half of the total

1/2×12=6

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